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The immune cells patrolling your body right now are built from the fats you ate this week. And according to a March 2026 study in Nature, the wrong fats can cause those cells to literally self-destruct — their membranes rupturing from the inside out.1 In fact, researchers uncovered a direct mechanism linking everyday food choices to the physical integrity of the cells your body depends on to fight infections and cancer.

A separate comprehensive review published in the journal Nutrients2 reinforces this picture from a broader angle, showing that fatty acids influence immune behavior across virtually every category of defensive cell in your body.3 Together, these studies make a compelling case that the fat composition of your diet is one of the most underappreciated factors shaping your resistance to disease.

Your Immune Cells Are Built from the Fats You Eat

For the Nature study, researchers looked at how the fats in your diet affect the health and survival of T cells — the immune cells that organize your body’s defense against infections and cancer.4 These scientists examined how different fats from food become part of the outer layer of these cells and influence whether the cells stay strong or break down when the body is under stress.

The study focused on a specific way immune cells die — their outer membrane literally breaks apart after oxygen damages the fats embedded in it. Scientists call this process ferroptosis, and it’s driven by iron-dependent reactions that attack vulnerable fats in the membrane. When this happens, the immune cell dies. By studying how different dietary fats influence this process, the researchers showed that the types of fats you eat appear to directly influence how durable your immune cells are.

• The fats you eat determine how strong or fragile your immune cells become — Researchers found that the balance of fats inside T cells plays a major role in whether those cells remain stable or break down under stress.
When T cells contain higher amounts of polyunsaturated fats (PUFs) — commonly found in seed oils such as soybean, corn, canola, sunflower, and safflower oil — compared to monounsaturated fats like those found in olive oil and avocados, the cell membranes become much easier to damage.
These unstable fats react quickly with oxygen, making the membrane fragile. One key discovery was how quickly fats from food become built directly into the outer wall of immune cells. When those membranes contain large amounts of unstable PUFs, oxidation spreads rapidly across the membrane — much like a row of dominoes falling once the first piece tips over.
Some fats create fragile membranes that break down easily, while others create stronger, more stable structures. Over time, the fats you regularly eat determine whether your immune cells remain durable defenders or become short-lived and vulnerable during immune stress.
• Stronger T cells created stronger immune responses — When researchers adjusted the fat composition of T cells so that their membranes contained more stable fats, the cells lived longer and performed their roles more effectively.
The study highlighted improvements in follicular helper T cells, which help your body produce antibodies.5 These antibodies are the proteins your immune system makes to recognize and fight infections. When these helper cells remain healthy, your body produces stronger and longer-lasting immune protection.
• Protected T cells were better at fighting tumors — Scientists also studied how fat composition affected the ability of T cells to attack cancer cells. When the cells were protected from ferroptosis, they maintained their tumor-fighting activity for longer periods. This is important because many cancer treatments depend on strong immune cells that remain active long enough to destroy abnormal cells.
• Certain fats made immune cells much more fragile — The researchers observed that membranes rich in PUFs were especially vulnerable to oxidation. These fats contain chemical bonds that react easily with oxygen, which makes them unstable. Once oxidation begins, the damage spreads quickly through the membrane and triggers ferroptosis, which acts like a destructive chain reaction.

Fats Help Control How Strongly Your Immune System Reacts

The Nature study showed what happens at the membrane level of a single cell type. But your immune system doesn’t run on T cells alone. A comprehensive review in Nutrients reveals that dietary fats may shape the behavior of virtually every category of immune cell in your body — and the effects go beyond structural damage.6

The researchers’ goal was to understand how dietary fats influence the way immune cells communicate, trigger inflammation, and protect your body from harmful microbes. They found that fatty acids play two important roles inside immune cells.

First, they help form the structure of the cells themselves. Second, they act as chemical signals that tell immune cells how to respond to threats. This means the fats inside your body influence not only the shape of immune cells but also the instructions those cells follow when fighting infection or repairing tissue.

• Different fats influence how strongly immune cells respond to threats — The review found that fatty acids affect the activity of several important immune cells, including macrophages, neutrophils, and dendritic cells. These cells belong to your innate immune system, which acts as your body’s first line of defense. They respond immediately when bacteria, viruses, or damaged tissue appear.
Some fatty acids have been shown to stimulate more aggressive immune responses, increasing inflammation, while others calm the immune response and keep inflammation under control. Maintaining the right balance matters because an overactive immune response damages healthy tissue, while a weak response allows infections to spread.
• Fats help immune cells communicate with one another — One major discovery in the review involves molecules called cytokines. Cytokines are small chemical signals immune cells release to coordinate their response. Think of them as messages sent between immune cells that tell them when to activate, multiply, or slow down.
Fatty acids influence which cytokines immune cells release and how strong those signals become. When the mix of fats inside immune cells changes, the pattern of these signals changes as well. In other words, the fats present in your body influence whether immune cells send strong attack signals or calming signals that reduce inflammation.
• Fats also help protect your body’s physical barriers — The study highlighted another key defense system: the protective linings of your body, including your skin, lungs, and digestive tract. These surfaces act as barriers that stop harmful microbes from entering your body.
Fatty acids influence special proteins called tight junctions, which function like seals between neighboring cells. When these seals remain strong, bacteria and viruses have difficulty passing through. When the seals weaken, harmful microbes slip through more easily and trigger inflammation.
• Certain fats activate built-in immune sensors — The researchers also found that fatty acids interact with receptors inside immune cells. These receptors act like sensors that detect chemical signals and tell the cell how to respond. Some fatty acids activate receptors that increase inflammatory activity, while others activate receptors that reduce inflammation. Fats act like switches that control how strongly immune cells react.
Fats also influence how immune cells produce energy. Immune cells require large amounts of energy to fight infections. Fatty acids affect the metabolic systems inside these cells that generate that energy. Some fatty acids help immune cells produce energy efficiently, allowing them to stay active during infections. Other fatty acids disrupt these processes and weaken immune performance.
• Too much of certain fats is linked to immune-related diseases — The researchers connected fatty acid imbalance to several immune problems, including allergies, asthma, and autoimmune disorders. These conditions develop when your immune system reacts too strongly or attacks harmless substances. Fat composition inside immune cells influences immune tolerance — the ability of your immune system to recognize what’s safe and what’s harmful.
The review concluded that dietary fats influence immune activity in several ways at once, including signaling pathways, gene activity, and the strength of protective barriers. These effects build gradually as eating habits continue day after day. Over time, the types of fats in your diet help determine how effectively your immune system detects threats, coordinates its response, and shuts down inflammation once the danger passes.

5 Ways to Improve Your Dietary Fat Balance for Immune Health

The Nature study demonstrated that the types of fats inside T cells strongly influence whether those immune cells survive or break down under stress. When the balance shifts away from PUFs and toward monounsaturated fats, the cells resist damage and remain functional longer. However, that finding requires an important layer of interpretation.

The study shows that excess PUFs, like linoleic acid (LA) in seed oils, make immune cells fragile, but it doesn’t automatically mean large amounts of monounsaturated oils are the ideal solution. The key lesson is not simply “add more monounsaturated oils.” The deeper message is that modern diets overload your body with unstable fats that damage cell membranes.

Restoring metabolic balance requires removing those damaging oils first and returning to stable fats your body has historically used for energy and cell structure. Once you understand that the fats entering your body become structural components of immune cells and mitochondria — the structures responsible for producing cellular energy — the most powerful step is correcting the fatty acid environment inside your tissues.

Every day your body rebuilds cell membranes using fats from food. When those fats are unstable or metabolically disruptive, immune cells weaken and cellular energy production declines. Fixing the root cause means removing oils that distort metabolism and replacing them with fats that support mitochondrial function and immune resilience.

1. Remove both seed oils and olive oil rather than replacing one with the other — Many people assume olive oil is a healthier substitute for industrial vegetable oils, but that swap fails to solve the underlying problem. Seed oils — including soybean, corn, canola, and safflower oil — contain large amounts of LA, a highly unstable PUF that oxidizes easily and damages cellular structures.
These oils break down during cooking and metabolism into byproducts that interfere with hormone signaling and mitochondrial energy production.
At the same time, relying heavily on oils rich in monounsaturated fat — particularly olive oil, and avocado oil — introduces another problem that often goes overlooked. These oils are dominated by oleic acid, the main monounsaturated fatty acid. While these fats are often promoted as healthy, the picture becomes more complicated when they’re consumed in large amounts.
For starters, many products labeled as olive oil aren’t pure. Investigations found that some store-bought olive oils are adulterated with cheaper vegetable oils.7 That means there’s a strong chance you’re not getting pure olive oil at all, but a blend of seed oils mixed in and sold as a premium product. When that happens, you’re unknowingly consuming the same unstable fats found in soybean, corn, or canola oil.
Even when the oil is genuine, excessive oleic acid creates its own metabolic stress. Some evidence suggests that high oleic acid intake may be associated with disruptions to cellular energy pathways — though the degree of effect varies by context.
Some research suggests high oleic acid intake may be associated with altered fat distribution patterns.8 When mitochondrial efficiency is affected, ATP production may be impacted.
Instead of strengthening metabolism, excessive oleic acid weakens the cellular energy systems your body depends on. Replacing olive oil with vegetable oils only compounds the damage. Rather than swapping one bottle for another, eliminate both oleic-acid-rich oils and vegetable oils from your kitchen entirely.
The goal is restoring a stable fat environment that allows immune cells and mitochondria to function efficiently.
2. Replace unstable oils with traditional animal fats — When you remove problematic oils, your body still requires cooking fats that remain stable under heat. Traditional fats such as grass fed butter, ghee, and tallow provide that stability. These fats contain much lower levels of both LA and oleic acid and resist oxidation during cooking.
Because these fats remain chemically stable, they support mitochondrial function instead of disrupting it. Supporting mitochondrial efficiency with stable dietary fats helps your cells produce energy more effectively.
3. Avoid the major hidden sources of LA in modern diets — The largest sources of LA are processed foods, restaurant meals, and snack products made with seed oils. Most packaged foods, fast foods, and restaurant dishes are cooked with soybean, corn, canola, or similar vegetable oils because they’re inexpensive and shelf-stable. Even if you stop using these oils at home, regularly eating processed foods or restaurant meals continues to expose your body to large amounts of LA.
Another overlooked source of LA is nuts, seeds, and nut butters. Foods such as almonds, walnuts, peanuts, sunflower seeds, and many nut spreads contain substantial amounts of LA. Eating them frequently keeps LA levels elevated in your tissues and slows the process of restoring a healthier fat balance.
The goal is to reduce daily LA intake to below 5 grams, and ideally closer to 2 grams per day. Reaching that level requires removing seed oils, minimizing processed and restaurant foods, and eliminating high-LA foods such as nuts and seeds. Tracking intake makes the process much easier.
The Pax health platform is launching soon and will include Seed Oil Sleuth, that calculates your LA exposure and helps you keep it within the range that supports healthier metabolism and immune function.
4. Choose ruminant meats instead of industrial pork and chicken — Animal feed strongly influences the types of fats stored in meat. Chickens and pigs are monogastric — they have simple stomachs that deposit dietary fats directly into their tissues with minimal conversion. When raised on soy and corn feed, their meat reflects those same unstable fats. When you eat those meats regularly, those same fats enter your body and become incorporated into your cells.
Ruminant animals such as cattle, sheep, and deer process fats differently through their multi-chambered digestive systems. As a result, meats like grass fed beef, lamb, and wild game contain far lower levels of unstable fatty acids and provide a more metabolically stable fat profile.
5. Support cellular repair with the right fuel and proteins — Fixing the fat balance in your diet works best when combined with nutrients that help your cells rebuild healthy membranes and maintain energy production. Your cells generate energy most efficiently when glucose is available as a primary fuel. Most adults thrive on 250 grams of carbohydrates daily, more if you’re active.
Easy-to-digest carbohydrates such as fruit, root vegetables, and white rice provide fuel that mitochondria use to generate ATP efficiently.
Collagen-rich proteins from bone broth or slow-cooked meats are also important, as they provide the amino acids needed to repair connective tissues and cellular structures. Together, these foods help rebuild the metabolic environment that allows your immune cells and mitochondria to function at full strength.

FAQs About Dietary Fat Ratios and Immune Function

Q: How do the fats you eat affect your immune system?
A: The fats in your diet become part of the membranes of immune cells. Research published in Nature showed that when immune cells contain higher amounts of unstable PUFs — commonly found in seed oils — they become easier to damage and more likely to die prematurely.9 When these cells break down too quickly, your immune system loses some of its ability to fight infections and cancer effectively.

Q: Why are seed oils considered harmful for immune cells?
A: Seed oils such as soybean, corn, canola, sunflower, and safflower oil contain large amounts of LA, a PUF that oxidizes easily. When these fats accumulate in cell membranes, they become vulnerable to oxidative damage. This damage can contribute to ferroptosis, a chain reaction that destroys the cell membrane and kills the immune cell. Research suggests that high LA intake weakens immune resilience over time.

Q: Do other types of fats also affect immune responses?
A: Yes. A review published in Nutrients found that fatty acids influence many aspects of immune function, including inflammation, immune signaling, and the strength of your body’s protective barriers.10 Different fats change how immune cells communicate with each other, how strongly they respond to threats, and how efficiently they produce energy during infections.

Q: What are the biggest sources of harmful fats in modern diets?
A: Processed foods, restaurant meals, and packaged snacks are the primary sources of LA because they’re commonly cooked in or made with seed oils. Nuts, seeds, and nut butters are also high in LA. Even when people stop cooking with seed oils at home, regularly eating processed or restaurant foods often keeps their intake of these unstable fats high.

Q: How can I improve the fat balance in my diet to support immune health?
A: Reducing LA intake is an important step. Ideally, lower your daily LA intake to below 5 grams, and ideally closer to 2 grams. This involves removing seed oils, minimizing processed foods and restaurant meals, eliminating high-LA foods such as nuts and seeds, and choosing more stable fats like grass fed butter, ghee, and tallow. Over time, these changes may help rebuild healthier cell membranes and support stronger immune function.

This article is for informational purposes only and does not constitute medical advice. Consult a qualified healthcare provider before making changes to your health regimen.

Test Your Knowledge with Today’s Quiz!
Take today’s quiz to see how much you’ve learned from yesterday’s Mercola.com article.

Which antibiotic is not known to cause long-term damage to gut bacteria?

Clindamycin
Fluoroquinolones
Erythromycin
Clindamycin, fluoroquinolones, and flucloxacillin were linked to major losses in gut bacteria. Erythromycin showed less widespread long-term impact in comparison. Learn more.
Flucloxacillin

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A New Series of Health Insights Is on the Way
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Benadryl has been a household name for decades, often treated as harmless relief for allergies, coughs, colds, or a restless night. Yet its story is far more complicated. Introduced in the 1940s, it was the first antihistamine of its kind, and for years it was considered a breakthrough. Over time, though, its flaws became harder to ignore as safer and more effective alternatives entered the market.

What makes this important for you is not just history, but the ongoing assumption that something familiar is safe. Many people keep Benadryl in their medicine cabinet because it’s what they grew up with. Few stop to question whether the drug itself has kept pace with modern science or whether newer options could offer the same relief without the risks.

This article takes a closer look at that question. You’ll learn what researchers uncovered about Benadryl’s safety profile, why experts now argue it does more harm than good, and what steps you can take to manage allergies and histamine reactions without turning to a drug that has overstayed its welcome.

Benadryl Is No Longer Worth the Risk

Published in the World Allergy Organization Journal, the analysis examined diphenhydramine’s long-standing role as the first U.S. Food and Drug Administration (FDA)-approved antihistamine in 1946 and concluded that its risks now outweigh its usefulness.1 The authors emphasized that diphenhydramine has reached the end of its medical life cycle, with safer and equally effective alternatives now available.

• Millions of people still use it despite better options — More than 1.5 million prescriptions for diphenhydramine are written every year in the U.S., with far higher numbers of over-the-counter purchases. Surveys show that 62% of adults and 51% of children with seasonal allergies are treated with over-the-counter antihistamines, often Benadryl. Many parents report using it because they grew up with it themselves, assuming it’s still safe.

• The drug causes strong sedation and cognitive impairment — Unlike newer antihistamines, diphenhydramine easily crosses your blood-brain barrier, meaning it directly affects brain function. This results in drowsiness, slower reaction times, memory issues, and poor concentration.

In fact, research cited in the paper found that diphenhydramine had a greater negative effect on driving than alcohol — a shocking finding for a drug sold in nearly every pharmacy.2 The European Union has classified it as “do not drive” due to its sedative power.

• The effects last far longer in certain groups — The paper reported that while children metabolize the drug quickly (with a half-life of around four hours), older adults retain it for much longer, with half-lives of up to 18 hours. That means grogginess and poor alertness carry into the following day, which explains why older users are at higher risk for falls, confusion, and accidents. For students, lingering drowsiness translates into poor academic performance and reduced focus in school.

• Adverse effects stretch beyond drowsiness — Diphenhydramine’s “anticholinergic” effects interfere with the neurotransmitter acetylcholine, which is important for memory, learning, digestion, and muscle movement. This leads to constipation, urinary retention, dry eyes, and dry mouth.

More concerning is the connection between long-term use of first-generation antihistamines like diphenhydramine and dementia. Repeated exposure appears to worsen cognitive decline, making its use especially risky for older adults.

• Children are vulnerable to unpredictable reactions — The paper highlighted paradoxical effects in children, meaning they often become hyperactive, agitated, or confused instead of sedated. When overdosed, they swing to the opposite extreme — significant sedation, coma, or even cardiac arrhythmias.

Most accidental poisonings with diphenhydramine occur in toddlers aged 2 to 4, and ingestion often requires hospitalization or critical care. Some cases have been fatal, underscoring how dangerous this common medicine is when left within a child’s reach.

Medical Authorities Worldwide Are Restricting Diphenhydramine’s Use

Germany, Sweden, and the Netherlands have already limited diphenhydramine to prescription-only status.3 In the U.S., the Federal Aviation Administration (FAA) prohibits pilots from using sedating antihistamines, while allowing non-sedating versions.

Pediatric guidelines in the U.S., Canada, and the U.K. recommend against giving diphenhydramine-containing products to young children, recognizing its risks. The paper strongly recommends moving Benadryl “behind the counter” so pharmacists can guide patients toward safer options.

• The drug is prone to misuse and abuse — Researchers pointed out that diphenhydramine has become popular on social media for dangerous “challenges,” with teens intentionally taking excessive doses.

The FDA has issued warnings after reports of seizures, coma, heart problems, and deaths linked to this misuse. Beyond that, diphenhydramine is often mixed into over-the-counter sleep aids, cough syrups, and cold medicines, creating even more opportunities for misuse.

• Diphenhydramine’s dangers come from two main mechanisms — This includes its ability to cross the blood-brain barrier and its anticholinergic activity. Crossing into the brain leads to sedation, psychomotor impairment, and memory problems. Blocking acetylcholine worsens these effects while also interfering with digestion, urinary flow, and vision. Together, these mechanisms explain why the drug is not only sedating but harmful to long-term brain health.

• Emergency care has already shifted away from diphenhydramine — Until 2019, hospitals relied on intravenous diphenhydramine for severe allergic reactions, but now IV cetirizine is approved and preferred. It provides the same relief with fewer side effects, shorter emergency room stays, and less sedation. This transition highlights how even in acute care, where speed is key, doctors are abandoning diphenhydramine in favor of safer alternatives.

• If you use Benadryl for allergies, colds, or sleep, you’re exposing yourself to unnecessary risks — These include grogginess, memory problems, reduced alertness, and even long-term cognitive decline. Safer alternatives exist and making the switch protects your brain, your safety, and your family’s well-being.

How to Protect Yourself from the Risks of Benadryl

If you’ve been relying on Benadryl for allergies, sleep, or coughs, you’re not alone. Millions of people keep it in their medicine cabinet without realizing how unsafe it is. But instead of masking the problem with a drug that leaves you groggy and at higher risk for accidents, you can take steps that address the root causes and build lasting resilience.

1. Start with an elimination diet to uncover triggers — If you’re struggling with chronic allergies, your first step is figuring out what foods or environmental factors are setting off your immune system. By removing common triggers for a short period and reintroducing them one at a time, you can see what sparks your symptoms.

The key is not complete avoidance forever — that only increases your risk of nutrient deficiencies. Instead, your goal is awareness, so you understand which foods to limit, which ones you tolerate well, and how to build a balanced diet that strengthens your immune system instead of fighting against it.

2. Use vitamin C to lower histamine naturally — You might not realize that something as simple as vitamin C helps your body keep histamine in check. Studies show that just 300 to 500 milligrams (mg) of vitamin C a day enhances histamine degradation,4 while 2,000 mg daily lowers plasma histamine levels by about 40% within two weeks.5

That means fewer allergy symptoms without the brain fog Benadryl causes. The easiest way to get more vitamin C is through your plate — red peppers, citrus fruits, and kiwi are excellent choices. If your diet is lacking, a supplement at the right dose helps give you steady relief.

3. Lean on quercetin for long-term antihistamine support — Quercetin is a plant compound with powerful anti-allergy activity. It works by stabilizing the cells that release histamine, so your body doesn’t flood with it in the first place. Onions (especially the skins), apples, and berries are all rich in quercetin.

If you want a stronger effect, consider a supplemental dose of 500 mg to 1,000 mg, taken two to four times daily. If eating onion skins doesn’t sound appealing, making a broth from them is an easy workaround. Over time, this gives you steadier control of your allergy response without the rollercoaster sedation that comes with Benadryl.

4. Prioritize whole foods over processed snacks — Most allergy-prone people do not realize that processed food drives histamine issues. Packaged meals, boxed snacks, and fast food are loaded with additives that stress your system and reduce your resilience. Shifting toward fresh, whole foods — fruits, vegetables, grass fed beef, and root vegetables — gives your body the nutrients it needs to restore balance.

For instance, kaempferol — a potent anti-allergic flavonoid — is abundant in leafy green veggies, such as broccoli, spinach, and cabbage. This change doesn’t just help allergies; it also supports your energy, mood, and long-term health in ways no over-the-counter pill ever will.

5. Support your body with natural histamine balance strategies — Instead of relying on medications, you can strengthen your body’s own ability to manage histamine. While not a substitute for medical treatment in the case of severe allergies, simple daily habits make a big difference.

Focus on getting enough restorative sleep, since poor sleep increases inflammation and worsens allergy symptoms. Add regular movement — whether that’s walking, stretching, or gentle exercise — to help regulate immune function.

Make time for stress management, because high stress raises histamine release and intensifies allergic reactions. Even mindful practices like deep breathing or spending time outdoors in fresh air help calm your system. By making these lifestyle shifts, you create a foundation that keeps histamine under control naturally and reduces your reliance on drugs altogether.

FAQs About Benadryl

Q: Why is Benadryl considered unsafe today?
A: Benadryl, which contains diphenhydramine, was introduced in the 1940s but is now seen as outdated and risky. Research shows it causes strong sedation, confusion, memory issues, and even higher accident risk than alcohol. Long-term use is linked to dementia and other health problems, making it a poor choice compared to safer modern options.

Q: What makes diphenhydramine more dangerous for older adults and children?
A: Older adults metabolize the drug slowly, leaving them groggy and cognitively impaired for up to 18 hours. This raises their risk of falls, accidents, and memory decline. Children often react unpredictably, becoming hyperactive or agitated instead of sleepy. In overdose situations, toddlers face extreme sedation, coma, or even life-threatening heart problems.

Q: Are other countries limiting Benadryl’s availability?
A: Yes. Germany, Sweden, and the Netherlands have already restricted diphenhydramine to prescription-only status. In the U.S., agencies such as the FAA ban pilots from using sedating antihistamines, while pediatric guidelines in the U.S., Canada, and the U.K. advise against giving Benadryl products to young children.

Q: What natural remedies help manage histamine without using Benadryl?
A: You can lower histamine naturally by using vitamin C, which reduces histamine levels in your blood, and quercetin, which stabilizes the cells that release histamine. Whole foods rich in these compounds — such as red peppers, citrus fruits, onions, and berries — support your immune system and reduce allergy symptoms without sedating you.

Q: What lifestyle steps reduce allergy symptoms long-term?
A: Focusing on root causes makes the biggest difference. An elimination diet helps identify triggers without risking nutrient deficiencies. Prioritizing whole foods over processed snacks, getting restorative sleep, moving daily, and managing stress all support histamine balance. These changes strengthen your body’s resilience, keeping symptoms under control naturally and safely.

A New Series of Health Insights Is on the Way

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A New Series of Health Insights Is on the Way
Our team has been working behind the scenes to prepare new research and practical health strategies for our readers. While we finish preparing what’s coming next, we invite you to explore one of the most-read articles from our library below. See exactly what’s changing →

One of the most overlooked drivers of cardiovascular risk is vascular aging — where your arteries become stiff, inflamed, and less responsive over time. This process begins earlier than you might think and can progress silently for years before showing up as a heart attack, stroke or metabolic disease.

Vascular aging is marked by a loss of elasticity in your blood vessels, elevated oxidative stress, and declining endothelial function — the inner lining of your arteries that controls how well they expand and contract. When that function drops, blood flow suffers. You get less oxygen to your tissues and your risk of cardiovascular disease, dementia, and Type 2 diabetes increases dramatically.

Creatine isn’t the first thing that comes to mind when you’re thinking about vascular health. It’s usually associated with gym routines or athletic performance. But your body actually makes about 1 to 2 grams of creatine a day from amino acids — and this compound plays a central role in maintaining your cellular energy.

Creatine acts like a rechargeable battery for your cells, helping to rapidly regenerate adenosine triphosphate (ATP), your body’s energy currency, especially in high-demand areas like muscles, nerves, and blood vessels. The real breakthrough? Research shows creatine isn’t just for muscles — it also helps your blood vessels work better, keeps them flexible and improves how well oxygen reaches your tissues.

This matters if you’re over 50 or have blood sugar or weight issues, because stiff or weak blood vessels raise your risk for heart problems. Here’s what the latest research found about how creatine improved artery health and metabolism in older adults.

Creatine Helped Older Adults Improve Blood Flow in Just Four Weeks

A study in the journal Nutrients looked at how creatine affects the blood vessels of older adults who aren’t very active.1 For four weeks, participants took creatine every day. Then, after a short break, they switched to a placebo so researchers could compare the results.

• Creatine helped make arteries more flexible — After four weeks of creatine use, their arteries worked better. Specifically, their endothelial function improved, meaning their blood vessels could relax and open more easily during blood flow.

After taking creatine, flow-mediated dilation (FMD), which measures how much arteries expand when blood flow increases, improved from 7.68% to 8.9%. That sounds small, but even a 1% increase in FMD is linked to a 13% lower risk of heart problems.

• Oxygen delivery through small blood vessels improved too — In smaller vessels, oxygen delivery to tissues also got a big boost. This matters because better oxygen flow helps your muscles, brain, and organs recover, heal and perform more efficiently.

• Creatine lowered fasting blood sugar and triglycerides — After 28 days, the participants’ blood sugar dropped from prediabetic levels to a healthier range. Their triglycerides, which are fats in the blood linked to heart disease, also went down significantly. These changes happened without any other lifestyle changes — just from adding creatine.

Creatine’s Benefits Came from Real Biological Changes

Your body uses the amino acid arginine to make creatine — but it also uses arginine to produce nitric oxide (NO), a gas that helps relax and open your blood vessels. When you get creatine from supplements, your body doesn’t need to use as much arginine to make it. That means more arginine is available to support healthy blood flow.

• Energy delivery improved in the arteries — ATP is the main energy source for your cells. Creatine helps move ATP to the cells that need it most — especially muscle and blood vessel cells. When your arteries have enough energy, they stay flexible and responsive, which helps keep your circulation in balance.

• In small vessels, creatine supported potassium pumps that control flow — Small blood vessels don’t rely as much on nitric oxide. Instead, they depend on potassium ion pumps that need steady energy to work. These pumps open and close to regulate blood flow. Creatine helps power these pumps by supporting ATP levels, which helps explain why oxygen delivery improved so much.

• None of these effects happened with the placebo — The placebo group didn’t see any change in artery flexibility, oxygen flow, blood sugar, or triglycerides. That shows it was the creatine — not just the routine of taking something daily — that made the difference. No side effects were reported, and blood pressure, hydration, and kidney markers stayed stable throughout the study.

Creatine Made Arteries More Flexible in Just One Week

Adding support to creatine’s benefits, research published in Clinical Nutrition ESPEN looked at whether creatine could improve heart and blood vessel health in older men in just seven days.2 Unlike most studies that take weeks or months, this one tested short-term effects. The goal was to see if even a quick creatine boost could make a difference.

• Artery stiffness dropped in just seven days with creatine — The group taking creatine saw a drop in a test measuring how stiff or flexible your arteries are. It went from 8.7 to 8.2 — a meaningful improvement.

• Blood pressure started to trend lower, too — Although not statistically significant yet, systolic blood pressure (the top number) fell from 144 to 136.1 mmHg. That’s an eight-point drop in one week. If the trend continues, it could mean a lower risk of heart problems with ongoing use.

• Heart stress didn’t increase, which makes creatine a safe option — Unlike some interventions that rev up the heart, creatine didn’t change how hard the heart had to pump. That’s a key point for anyone managing early signs of cardiovascular problems. You want support without overstimulation, and creatine fits that profile.

How to Increase Your Creatine Intake and Support Vascular Health

If you’re looking to protect your heart as you age, adding creatine to your routine could be a smart move. But before you jump to supplements, it’s important to understand how to do this safely and in a way that supports your long-term health. I recommend starting with food first, then using supplements to fine-tune your levels if needed.

Your arteries and vascular system thrive when they’re well-fed with nutrients that support cellular energy. Creatine is one of the most effective nutrients for this job. Below, I’ve outlined five steps you can take to improve your creatine intake and support your cardiovascular system from the inside out.

1. Start with real food sources of creatine — Your body naturally makes some creatine on its own but not enough to meet higher demands — especially as you age. The most efficient way to get more creatine is by eating animal-based foods like grass fed beef. Avoid conventionally raised pork and chicken, as they’re loaded with linoleic acid (LA), which disrupts your cellular energy production and cancels out the benefits of creatine.

2. Consider supplements if you’re vegetarian or vegan — If you’re following a vegetarian or vegan diet, you’re not getting creatine from your food, as it doesn’t exist in plants. That means you’re relying entirely on what your body can make, and that might not be enough to support your vascular health. If you don’t consume animal-based foods, it would be wise to reevaluate your dietary approach or consider targeted supplementation.

3. Use creatine monohydrate if you need a supplement — If you’re not able to get enough creatine from food, or you’re aiming to reach the recommended daily dose of 3 to 5 grams per day, I recommend creatine monohydrate. It’s the most studied and safest form. Choose a clean product from a trusted company — no additives, fillers or mystery flavors.

4. Stick with the proven dose to avoid side effects — More isn’t better when it comes to creatine. The sweet spot for most adults is 3 to 5 grams per day. Go higher than that — especially up to 10 or 20 grams — and you’re more likely to deal with bloating, water retention, or loose stools.

5. Support creatine’s effects by reducing LA in your diet — If your diet is high in LA — found in vegetable oils like soybean oil, corn oil, and safflower oil — your cells can’t produce energy efficiently. That’s why I advise removing these unhealthy fats from your diet. Switch to tallow, ghee, or grass fed butter. Cut out packaged snacks, fried foods and most restaurant meals unless you know exactly how they’re prepared. Your arteries will thank you.

Making these changes isn’t about perfection. It’s about giving your cells what they need to function at their best. Start where you are, make one upgrade at a time and pay attention to how your body responds. That’s how you take control of your vascular health — without waiting for symptoms to show up.

FAQs About Creatine

Q: What does creatine do for your heart and blood vessels?
A: Creatine improves how well your arteries expand and contract, which boosts blood flow and reduces the workload on your heart. It also enhances oxygen delivery to your tissues and supports better circulation overall.

Q: How quickly does creatine improve vascular health?
A: Improvements have been seen in as little as seven days. One study found creatine made arteries less stiff in just seven days, while another saw better artery flexibility and oxygen flow after four weeks of daily use.

Q: Can creatine help with blood sugar or triglycerides?
A: Yes. In one study, fasting glucose dropped from prediabetic to normal levels, and triglycerides significantly decreased, both of which are key risk factors for heart disease.

Q: Does creatine help even if you don’t exercise?
A: Yes. One study focused on older adults who were mostly sedentary, and they still saw improvements in blood flow, artery flexibility and metabolic markers like blood sugar and triglycerides. This shows creatine supports vascular health even without changes to your workout routine.

Q: What’s the best way to add creatine to your routine?
A: Start with whole food sources like grass fed beef. If needed, supplement with creatine monohydrate — choose a clean product without fillers.

A New Series of Health Insights Is on the Way

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A New Series of Health Insights Is on the Way
Our team has been working behind the scenes to prepare new research and practical health strategies for our readers. While we finish preparing what’s coming next, we invite you to explore one of the most-read articles from our library below. See exactly what’s changing →

Tinnitus is the perception of sound — often ringing, buzzing, or clicking — without any external source. It’s not just annoying; it’s also debilitating. Common symptoms include persistent phantom noise in one or both ears, sleep disturbances, anxiety, and difficulty concentrating.

Over time, if ignored, tinnitus will fuel depression, increase stress hormones, and severely impact your quality of life. The global prevalence now hovers around 14.4% in adults and 13.6% in children,1 with some estimates even higher in specific populations. Despite its growing impact, most people are still told there’s no known cause, and worse, no effective treatment.

However, recent studies provide a practical insight into tinnitus prevention — simply including certain nutrient-dense foods in your meals will help influence nerve health and blood flow, reducing its symptoms.

A Large Meta-Analysis Identified Dietary Patterns Linked to Tinnitus Risk

A systematic review and meta-analysis published in BMJ Open2 brought together data from over 301,533 adults across eight observational studies. Using validated questionnaires,3 the research team set out to assess 15 dietary factors that influence the likelihood of developing tinnitus. Their focus was not on supplements or isolated nutrients, but on actual food intake patterns in everyday life.

• Four specific foods had protective effects — Adults 18 and older were included regardless of whether they had pre-existing health issues. Of the 15 dietary factors analyzed — like sugar, fat, meat, and vegetables — only four stood out as protective — fruit, fiber, dairy, and caffeine.

• Fruit offered statistically significant protection against tinnitus — Fruit intake had the most dramatic effect, reducing tinnitus odds by 35%, making it the most powerful dietary variable in the entire analysis. The odds ratio for fruit was 0.649, showing a strong inverse relationship between fruit intake and tinnitus risk.

• No notable link was seen between tinnitus prevention and vegetables — Surprisingly, vegetables didn’t have the same consistent benefit, highlighting fruit as the better choice for prevention.

• These effects held up across diverse global populations — The studies included participants from the U.K. Biobank and Australia’s Blue Mountains Hearing Study, making the results more applicable to a wide population.

Why Do Fruits Offer Protective Effects Against Tinnitus?

The researchers conducted sensitivity analysis — where one study is removed to see if results change — to gather more robust results. These tests showed that the protective effects of fruit and fiber remained steady. Other foods, including sugar, meat, and even diet variety, failed to show a consistent protective link.

This was likely due to inconsistencies in measurement or how the foods were prepared and consumed. The researchers outlined three primary biological mechanisms to explain fruit’s benefits, mainly:

• Fruits offer impressive antioxidants effects — Fruits are loaded with antioxidants like vitamin C, polyphenols, and carotenoids. These nutrients fight oxidative stress, which is one of the key drivers of cellular damage in the cochlea — the part of your inner ear responsible for hearing.

• They improve blood flow to auditory structures — Fruit promotes vascular health and enhances endothelial function, which is the ability of blood vessels to relax and contract. This improves circulation, which ensures sensitive structures in the inner ear get the oxygen and nutrients they need. Poor circulation is known to contribute to tinnitus symptoms over time.

• Eating fruit reduces chronic inflammation in nerve pathways — The anti-inflammatory effects of flavonoids like quercetin protect auditory nerves from overstimulation. This helps keep neural signaling steady, reducing the kind of faulty signals that cause ringing or buzzing in the ears. Inflammation interferes with normal nerve firing and amplifies sensory perception, both of which worsen tinnitus.

Dairy, Fiber, and Caffeine Also Provided Benefits Against Tinnitus

One of the most surprising findings was that avoiding dairy actually increased tinnitus risk. While some conventional advice recommends avoiding dairy products like cheese and butter4 if you have tinnitus, the data in this review suggested consuming these foods supports auditory health.

• Consuming dairy reduced the risk of tinnitus by 17% — It improved vascular tone and supported the same endothelial functions that fruit did. The type of dairy wasn’t specified, but the implication was that unprocessed or minimally processed dairy offers support, while highly processed versions might not.

• Consuming fiber was associated with 9% lower risk — It improved insulin sensitivity and blood vessel health, which are two major systems tied to how the inner ear functions.

• Fiber improved insulin balance, which impacts inner ear fluid pressure — The benefit of fiber was tied to better blood sugar regulation. When insulin sensitivity is low, excess insulin circulates in the bloodstream, which disrupts fluid and electrolyte balance in the ear. That destabilization affects how sound is transmitted and processed, which worsen tinnitus if left uncorrected.

• Moderate caffeine intake reduced tinnitus risk by 10% — The idea that caffeine worsens tinnitus is still common, but this analysis disproved it. Contrary to outdated advice, consuming caffeine in moderation improves alertness, boosts dopamine, and increases blood flow — all of which support auditory processing. It also blocks adenosine receptors, which help reduce inflammation in brain areas involved in sound perception.

The authors recognize that they cannot completely confirm the causality due to the observational design of the included studies. They also note that conducting further large-scale studies will “complement and verify the relationship between dietary intake and tinnitus.”5,6

Butter and Legumes Were Both Linked to Reduced Tinnitus Severity

A similar study published in Nutrients7 surveyed over 11,000 adults with tinnitus to assess how different food choices relate to how severe their symptoms feel. The researchers focused on how loud, constant, or intrusive the symptoms were depending on your dietary habits.

The study analyzed more than 50 dietary variables using a large pool of participants with varying backgrounds. This made the results more reflective of how diet influences tinnitus in everyday life. Two examples of dietary factors they looked at include dairy — specifically butter — and legumes.

• Butter intake was linked to less tinnitus severity — Just like the BMJ Open study, this study also found that dairy has protective effects against tinnitus. Contrary to some mainstream beliefs about avoiding saturated fat, the study showed that people who used butter regularly experienced lower tinnitus severity.

According to the researchers, “Those who reported a normal or high use of butter had a significantly reduced risk of tinnitus onset (compared to those who do not use butter).”8 This protective link suggests butter helps support auditory function.

• Legumes also reduced the severity of symptoms — People who regularly consumed legumes (beans, lentils, or chickpeas) reported milder tinnitus, the researchers reported. Legumes were associated with calmer symptoms, which could be explained by their high content of magnesium, fiber, and B vitamins. These nutrients support vascular health and stabilize nerves, two key areas that affect how the brain processes sound.

• Legumes help balance blood sugar and calm inflammation — The research team emphasized the connection between blood sugar regulation and inner ear function. Legumes help stabilize glucose and improve insulin sensitivity, which reduces inflammation. Better blood sugar control helps reduce the kind of fluid and nerve imbalances that make tinnitus worse.

The takeaway isn’t just about “eating healthy” — it’s about eating smart. The key is to identify foods that calm your nervous system and improve blood flow, and both butter and legumes show promise in this, in different but complementary ways. Adding them to your diet will support better outcomes when dealing with tinnitus.

These Artificial Ingredients Trigger Nerve Overload That Make Tinnitus Worse

Eating the right types of foods is beneficial, but what you DON’T eat matters, too. In particular, chemical additives like monosodium glutamate (MSG) and the artificial sweetener aspartame were found to contribute to tinnitus symptoms.9 These additives act as excitotoxins, meaning they overstimulate your nerve cells until they’re damaged or die. This mechanism also fuels nerve dysfunction that causes or worsens tinnitus.

• MSG overstimulates glutamate receptors in the auditory system — Widely used in fast food, instant noodles, chips, and restaurant meals to enhance flavor, MSG works by exciting glutamate receptors in the brain. These same receptors are found in the auditory system.10 According to research,11 people who have tinnitus have high levels of glutamate, which leads to hyperexcitability in their auditory cortex.

• Aspartame breaks down into chemicals that overexcite the brain — When ingested, aspartame (a sweetener found in diet sodas and sugar-free foods) converts in the body into three compounds — aspartic acid, which produces aspartate, a highly stimulating neurotransmitter; the amino acid phenylalanine; and methanol, or wood alcohol.12

• Aspartate damages neurons in the brain — It disrupts normal neurotransmitter balance and creates chaos in the brain’s sound-processing centers. This amplifies tinnitus symptoms and lead to heightened perception of noise that isn’t really there.

• Both additives gradually worsen tinnitus by overstimulating nerve cells — The effects of MSG and aspartame build quietly over time. You might not notice their effects after one meal, but repeated exposure continues to overstimulate the auditory nerves. If you’re already dealing with tinnitus, this overstimulation will turn manageable noise into a constant, distressing hum that gets harder to ignore.

• MSG and aspartame cross your blood-brain barrier — These chemicals lead to cellular stress and eventual nerve damage. This not only worsens ringing but also increases the risk of long-term hearing dysfunction.

The solution — eat clean and check food labels carefully. Removing these toxic chemicals from your diet will make an immense difference between constant suffering and much-needed silence.

Eat More Whole Foods and Avoid Processed Foods

Based on these studies, it’s clear that the root cause of tinnitus isn’t just aging or random nerve damage — it’s overstimulation of your nervous system, blood sugar instability, inflammation, and poor circulation in your inner ear. The wrong foods worsen the symptoms, and right ones help curb them. Here are five dietary strategies to help you cope with tinnitus.

1. Cut out aspartame, MSG, and other excitotoxins immediately — If you’re still drinking diet sodas, chewing sugar-free gum, or eating foods labeled with “autolyzed yeast,” “hydrolyzed protein,” or “natural flavors,” you’re feeding the very system that’s making your tinnitus worse. Remove them from your kitchen and don’t look back. Most people feel relief in less than a week when they stop.

2. Eat more fruit — especially high-antioxidant, water-rich varieties — Fruit helps reduce oxidative stress, improves microcirculation in the cochlea, and supports your nerve function. Start slow with easy-to-digest options like watermelon, oranges with pulp, or ripe papaya. Aim for at least two to three servings a day, and space them out to stabilize blood sugar.

3. Use real butter, not seed oils or margarine — If you’ve been using vegetable oils (like canola and soy oil) or butter substitutes thinking they’re healthier, it’s time to reverse that.

4. Add legumes like lentils or chickpeas three to four times per week — If you are sensitive to fiber or deal with gas and bloating, try pressure-cooked lentils or soaked split mung beans to start. These are easier on your gut and still deliver the same auditory and neurological benefits. You don’t need a huge portion — just a small bowl alongside your meal is enough.

One drawback when consuming legumes is they contain lectins, which are sugar-binding plant proteins that can have adverse effects. You can sidestep this issue by preparing and cooking legumes properly to reduce their lectin content. Read “How to Reduce Lectins in Your Diet” for more detailed instructions.

5. Drink caffeine in moderation — Moderate daily intake, like one strong coffee or a couple cups of green tea, will help reduced tinnitus severity. However, too much caffeine could backfire, especially if it triggers anxiety or insomnia for you.

Your symptoms are giving you clues. The trick is learning to listen to what your body is asking for — then feeding it the calm, stabilizing foods that keep the volume down.

Remember These Tips to Protect Your Hearing

Protecting yourself from loud noises is the first step in preventing both tinnitus and hearing loss. Follow these basic strategies:

• Turn down the volume on personal audio devices.
• Download a decibel meter app for your smartphone, which will flash a warning if the volume is turned up to a damaging level.
• Wear earplugs when you visit noisy venues. If you work in a noisy environment, be sure to wear ear protection at all times.
• Use carefully fitted noise-canceling earphones/headphones, which allows you to listen comfortably at a lower volume.
• Limit the amount of time you spend engaged in noisy activities.
• Take regular listening breaks when using personal audio devices.
• Restrict the daily use of personal audio devices to less than one hour.
• If you live in a very noisy area, consider moving. If this is not an option, consider adding acoustical tile to your ceiling and walls to buffer noise. Double-paneled windows, insulation, heavy curtains and rugs also help reduce noise volume.
• Use sound-blocking headphones to eliminate occasional sound disturbances such as that from traffic or lawnmowers. Wear ear protection when using your lawnmower or leaf blower.
• Improve your sleep quality. Sleep interruptions and poor sleep quality worsen tinnitus symptoms, creating a sleeping environment that supports uninterrupted and restorative rest is essential. To learn more about this, read “The Hidden Impact of Napping on Tinnitus.”

In addition, I recommend addressing your nutrient deficiencies, as certain ones increase your risk. Magnesium deficiency is one example; studies have demonstrated that supplementing with magnesium helped improve hearing in participants who suffer from tinnitus or hearing loss.13 For more examples of nutrients that impact tinnitus and hearing loss, read “Can Magnesium Relieve Your Tinnitus?”

Frequently Asked Questions (FAQs) About How Foods Affect Tinnitus

Q: What foods are most effective at lowering the risk of developing tinnitus?
A: Fruit is the standout performer, with one large meta-analysis showing a 35% reduced risk for those who eat more of it. Fiber, dairy, and caffeine also had protective effects — each improving nerve function, blood flow, or inflammation control in the auditory system.

Q: Do certain foods reduce the severity of existing tinnitus symptoms?
A: Yes. A separate study of over 11,000 adults found that those who consumed butter and legumes regularly experienced less severe tinnitus. These foods support vascular health, stabilize nerves, and improve blood sugar balance — key factors in calming auditory symptoms.

Q: What ingredients or additives should I avoid if I have tinnitus?
A: You should eliminate MSG and aspartame immediately. These additives overstimulate your nerve cells, especially those involved in hearing, and worsen tinnitus over time. They’re often hidden in processed foods, diet drinks, seasonings, and low-calorie snacks.

Q: Is caffeine safe for people with tinnitus, or does it make it worse?
A: Contrary to common advice, moderate caffeine intake actually helps. Studies show it reduces tinnitus risk by around 10%, likely due to its effects on circulation, dopamine, and inflammation. The key is moderation — not elimination or excess.

Q: What are the best daily strategies for managing tinnitus through diet?
A: Start by eating more fruit, legumes, and whole foods, using real butter instead of seed oils. Eliminate excitotoxins like MSG and aspartame, and drink caffeine in controlled amounts. These changes target the actual root causes — nerve overstimulation, inflammation, and poor circulation.

Most people assume antibiotics do their job and leave no trace — a short course, a quick recovery, and life goes on. But emerging research tells a very different story. A large-scale study published in Nature Medicine reveals that a single course of antibiotics leaves a measurable imprint on your gut microbiome that persists for years, not weeks.1

Your gut microbiome, the trillions of bacteria lining your digestive tract, doesn’t just help you digest food. It plays a role in metabolic regulation, immune development, and processes ranging from inflammation to blood sugar control.
When that system gets disrupted, the consequences ripple outward in ways many people don’t connect back to the prescription they took years earlier: changes in how you process food, how your body manages inflammation, and how well your immune system holds up under pressure.

The findings challenge a basic assumption that your body simply bounces back. Below, I walk through what the research actually shows, which antibiotics do the most damage, and what you can do to limit the fallout and rebuild.

Antibiotics Leave a Long-Term Imprint on Your Gut

The Nature Medicine study analyzed data from 14,979 adults in Sweden to understand how antibiotic use affects the gut microbiome over time.2 Researchers combined prescription records with advanced stool analysis to measure changes in gut bacteria across an eight-year period. This gave them a long-term view of what actually happens after you take antibiotics — not just days or weeks later, but years down the line.

The study included adults from multiple population-based cohorts and examined their antibiotic exposure in three timeframes: less than one year, one to four years, and four to eight years before testing. Across all groups, antibiotic use consistently linked to lower diversity of gut bacteria.

That means fewer types of beneficial microbes, a key marker tied to resilience, digestion, and metabolic stability. Every additional antibiotic prescription was associated with a measurable drop in microbiome diversity, with the biggest decline occurring after the first and second courses.

• Some antibiotics cause deeper damage than others — Not all drugs affected the gut equally. Clindamycin, fluoroquinolones, and flucloxacillin had the strongest and most widespread impact, reducing dozens of bacterial species per course. For example, one round of clindamycin within a year of testing was linked to an average loss of 47 bacterial species. In contrast, more commonly used antibiotics like penicillin V showed far fewer long-term effects.

• Changes persist long after the prescription ends — Even when antibiotics were taken four to eight years before testing, researchers still detected significant differences in gut bacteria composition. Between 10% and 15% of microbial species remained altered years later.

This means your gut doesn’t simply bounce back to baseline — it shifts into a new compositional state that may function differently. When researchers looked at people who had taken only one antibiotic course in eight years, they still found reduced diversity compared to those who had taken none.

• Certain bacterial species increase while beneficial ones decline — Antibiotics often reduced helpful bacteria while allowing less favorable species to grow. Some of these shifts were linked to bacteria associated with higher body weight, inflammation, and metabolic imbalance. These compositional shifts may affect how efficiently the gut environment functions when imbalances persist.

• Your gut ecosystem works like a complex community — Think of your microbiome as a crowded city where each species has a role. Antibiotics act like a sudden evacuation — removing both helpful and harmful residents at once. When the system rebuilds, the same balance doesn’t always return. Some key “workers” don’t come back, and new ones move in that don’t perform the same jobs.

Antibiotic Damage Slows Gut Recovery and May Affect Broader Health

While your gut begins recovering soon after antibiotic exposure, the study revealed that recovery slows significantly over time.3 Most of the rebound happens in the first two years, after which progress becomes much slower. This explains why long-term differences remain detectable even eight years later.

• The size of the initial disruption determines recovery time — A deeper initial drop in bacterial diversity was associated with a longer recovery period. Stronger or broader-spectrum antibiotics create a larger “shock” to your gut, and that shock takes longer to repair. This helps explain why certain medications leave a more lasting imprint than others.

• Antibiotics disrupt both balance and function in the gut — From a biological standpoint, antibiotics alter how your system works. Beneficial bacteria thought to play roles in digestion, inflammation regulation, and gut-lining maintenance decrease, while other species fill the gaps. Researchers speculate that this shift may influence nutrient absorption and how your body handles everyday stressors — though these downstream effects were not directly measured in the featured study.

• Lower diversity weakens your body’s internal defenses — When diversity drops, the gut may have a reduced capacity to keep harmful bacteria in check and maintain stability. This shift has been associated with a greater likelihood of inflammation and metabolic changes. Over time, these internal changes may be linked to how the body manages blood sugar, fat storage, and immune responses.

• Antibiotics reshape microbial signaling throughout your body — Your gut bacteria communicate with your immune system and metabolic pathways through chemical signals. When antibiotics change the composition of those bacteria, they also change those signals. This may affect processes like inflammation signaling and energy use, which could help explain the broader associations observed between gut disruption and health.

How to Limit Antibiotic Damage and Rebuild Your Gut

Understanding the damage is only useful if it points you toward what actually helps your gut recover. Microbial diversity often does not fully rebuild on its own, and dietary inputs may play an important role in supporting recovery. Your gut bacteria need specific raw materials from food to recolonize and regain their functional roles.

Different species thrive on different substrates — fibers, polyphenols, and resistant starches — which is why dietary variety matters as much as dietary quality. At the same time, foods associated with inflammation or gut-barrier stress may slow that process, creating an environment where the wrong species gain ground while beneficial ones struggle to return. That’s the logic behind every step that follows: remove what interferes with recovery, then supply what your bacteria need to rebuild.

1. Use antibiotics only when they’re truly necessary — If you reach for antibiotics every time you get a cough, sore throat, or sinus flare, pause before you do that again. Many of those illnesses are viral, and antibiotics do nothing for viruses. What they do accomplish is another blow to your gut ecosystem. Your first step is to treat antibiotics as a last resort, not a reflex. That single shift helps preserve bacterial species that contribute to digestion, inflammation balance, and recovery.

2. Cut off the background exposure from conventional meat — If your meals rely on cheap fast-food meat, grocery store deli meat, or conventionally raised chicken, pork, or beef, your gut faces a steady trickle of antibiotic residues from that food supply. To reduce your exposure, choose pasture-raised or organic meats so your microbiome isn’t subjected to low-dose antibiotic exposure day after day.

3. Use natural antibacterial options for mild problems — For mild issues, natural antibacterial options like medicinal honey and oregano oil have been explored as alternatives for mild issues, with less impact on microbial balance. These may offer an alternative approach for minor issues when antibiotics aren’t medically necessary.
That matters because every time you avoid an unnecessary antibiotic, you preserve more of the bacterial species your gut needs. Think of it as protecting your internal reserves instead of draining them again.

It’s also worth remembering what I believe is the best way to ease upper respiratory infections (URIs) — nebulized hydrogen peroxide. Many make the mistake of taking antibiotics for URIs unnecessarily, but because most URIs are viral, antibiotics typically aren’t effective for these cases.

4. Remove the foods and fats that keep your gut barrier irritated — Your gut doesn’t recover well on ultraprocessed food, refined snacks, and seed oils high in linoleic acid (LA). Your gut lining depends on healthy, stable cell membranes to repair itself after antibiotic damage, and the fats you eat directly shape those membranes.

Excessive LA intake alters cellular membranes and interferes with mitochondrial function. So, if your pantry is full of chips, packaged grain products, frozen meals, and restaurant food cooked in soybean, corn, canola, or sunflower oil, start there. Replace those foods with simple meals cooked in grass fed butter, ghee, or tallow.

Your goal is to lower LA intake below 5 grams a day, and closer to 2 grams if possible. Typical meals might include pastured eggs cooked in butter, white rice with slow-cooked grass-fed beef, and whole fruit. That gives your gut lining stable fuel instead of more disruption.

5. Rebuild your carb and fiber tolerance in the right order — If your digestion is already struggling — bloating, post-meal fatigue, unpredictable bowel habits — loading up on fiber is likely to make things worse before they get better. The goal of this rebuilding process is to help your gut bacteria produce butyrate, a short-chain fatty acid that serves as a key fuel source for the cells lining your colon.

Without enough butyrate, those cells can weaken, your gut barrier may become more permeable, and inflammation may spread more easily into the rest of your body. But your bacteria can only make butyrate when they have the right raw materials — and that means reintroducing fiber in a sequence your gut can handle. Start with easy-to-digest foods such as whole fruit and white rice, so your body gets the glucose it needs for cellular energy.

Once your digestion settles, add fiber slowly: root vegetables first, then non-starchy vegetables, then starchier plants like squash or sweet potatoes. Later, if you tolerate them well, add beans, legumes, and minimally processed whole grains.

FAQs About Antibiotics and Your Gut Microbiome

Q: How long do antibiotics affect my gut microbiome?
A: Research shows that changes in your gut microbiome remain detectable up to eight years after a single course. While some recovery happens in the first two years, your gut may take much longer to return to its original state, if it does so at all. In other words, the compositional effects of a single prescription can persist for years, with possible downstream influence on digestion, metabolism, and immune function.

Q: Do all antibiotics damage my gut the same way?
A: Different antibiotics create very different levels of disruption. Drugs like clindamycin, fluoroquinolones, and flucloxacillin were associated with the most significant and long-lasting changes, reducing dozens of bacterial species at once. More commonly used antibiotics like penicillin V have a smaller impact. The broader and stronger the antibiotic, the deeper the disruption inside your gut.

Q: Can my gut fully recover after taking antibiotics?
A: Your gut begins recovering soon after antibiotic use, but that recovery slows dramatically over time. Most of the improvement happens within the first two years, then progress becomes much slower. Some bacterial species don’t return, which means your microbiome shifts into a new balance rather than fully restoring what was there before.

Q: Why does gut bacteria diversity matter for my health?
A: Gut diversity acts like a built-in defense system. Having a wider range of beneficial bacteria may support digestion, inflammation regulation, and immune resilience. When diversity drops, harmful bacteria gain an advantage. This imbalance is linked to weight gain, inflammation, blood sugar issues, and a higher risk of chronic disease.

Q: What steps help protect and rebuild my gut after antibiotics?
A: One key strategy is to limit unnecessary antibiotic use so your gut stops taking repeated hits. From there, reducing hidden exposure from conventional meat, choosing simple whole foods, removing seed oils, and rebuilding carbohydrate and fiber tolerance step by step all support recovery. These changes may support microbial balance, gut-lining integrity, and cellular energy production.

Test Your Knowledge with Today’s Quiz!
Take today’s quiz to see how much you’ve learned from yesterday’s Mercola.com article.

Which intervention has been shown to reduce fatigue in people with long COVID?

Electrolyte-rich drinks
Hydrogen-rich water
Hydrogen-rich water improved fatigue, strength, walking distance, and sleep by supporting cellular energy production, which is often impaired in long COVID. Learn more.
High-dose vitamin C
Protein supplements

A New Series of Health Insights Is on the Way

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A New Series of Health Insights Is on the Way
Our team has been working behind the scenes to prepare new research and practical health strategies for our readers. While we finish preparing what’s coming next, we invite you to explore one of the most-read articles from our library below. See exactly what’s changing →

Arthritis doesn’t have to define your days. If you’re living with stiff, painful joints, there’s hope beyond prescriptions and over-the-counter creams. You can take charge of your wellness starting today with tools from nature that work alongside your regular care.

Essential oils, concentrated plant extracts with powerful anti-inflammatory properties, offer welcome relief. In just a few weeks, you could start feeling better naturally. Here’s how to make essential oils part of your daily routine and support your joints the holistic way.

Decode the Pain to Take Back Control

About 53.2 million Americans live with arthritis.1 That means you’re not alone if you’re dealing with joint pain, stiffness, or swelling. The two most common types are osteoarthritis and rheumatoid arthritis. Both cause discomfort, but in different ways.

• Osteoarthritis is like the tread wearing off your tires — Over time, the cushioning between your joints — called cartilage — breaks down. This leads to bones rubbing together, which causes pain and stiffness.

• Rheumatoid arthritis is different — It’s an autoimmune condition, which means your immune system mistakenly attacks your own joints. It causes swelling, fatigue, and joint damage if left untreated.

• A villain in both types is inflammation — Your body uses inflammation to heal, like when you get a cut. But with arthritis, it becomes chronic — like a fire alarm that won’t stop ringing. This ongoing inflammation leads to more damage and more pain.

That’s where essential oils come in. Many contain natural compounds that reduce inflammation and relieve pain. They don’t replace medical treatments, but they help you feel better and support your overall joint health.

Nature’s Toolkit to Calm Inflammation and Soothe Pain

You have options when it comes to natural support. Here are seven essential oils that help ease arthritis symptoms:2

1. Ginger — The natural painkiller — Ginger oil works like nature’s ibuprofen. In a study from the University of Miami, people with knee arthritis who used ginger extract reported significantly less pain and stiffness.3 Ginger helps block the same pain pathways that common pain relievers target — but without the harsh side effects.

2. Lavender — Relax and release tension — Lavender oil isn’t just for stress. It helps soothe joint pain and relax your muscles. Studies show that people with arthritis who received lavender aromatherapy massages felt better and moved more easily.4 Bonus: It helps ease anxiety and improve sleep, which often suffer when you’re in pain.

3. Frankincense — Ancient relief with modern science — Used for thousands of years, frankincense oil helps slow joint damage. Research suggests it blocks certain chemicals that break down cartilage and trigger swelling.5 Think of it as a shield for your joints.

4. Peppermint — Cooling comfort on contact — That icy-hot feeling you get from peppermint? That’s menthol at work. It creates a cooling sensation that numbs pain. Peppermint oil often works even better when blended with other oils like lavender or rosemary.

5. Turmeric — Spice that fights inflammation — Turmeric oil contains curcumin, a powerful anti-inflammatory. One review found it works as well as over-the-counter medications for arthritis relief.6 While most studies use turmeric extract, early research on the oil looks promising.

6. Eucalyptus — Breathe in the relief — Eucalyptus oil has a fresh scent and strong anti-inflammatory properties. A study found that people with rheumatoid arthritis had less pain and improved quality of life after inhaling eucalyptus oil.7

7. Rosemary — Flow and function — Rosemary oil may help numb nerves and improve blood flow. Better circulation means more nutrients reach your joints, which helps with healing and comfort.

Your Step-by-Step Guide to Natural Pain Relief

Using essential oils the right way makes all the difference. Here’s how to start safely:

• Step 1 — Dilute your oils — Essential oils are super concentrated, so don’t use them straight from the bottle. Mix a few drops with a carrier oil, like coconut oil. You need a natural base to blend it all safely.

• Step 2 — Choose your application — There are a few ways to use essential oils for arthritis:

◦Massage — Rub diluted oils directly onto sore joints.
◦Aromatherapy — Inhale oils using a diffuser or steam.
◦Bath — Add a few drops to Epsom salts for a warm, soothing soak.

• Step 3 — Use regularly for best results — Try applying essential oils twice a day — once in the morning and once before bed. Consistency matters. Some people experience relief relatively quickly, within a few days to a week of consistent use, especially with topical application for localized pain.

This initial relief could be due to the anti-inflammatory or pain-relieving properties of certain oils. For more significant and lasting relief, it might take several weeks of consistent and proper use.

• Step 4 — Do a patch test — Before using a new oil, test it on a small area of skin. Wait 24 hours to make sure there’s no redness or irritation.8

Small Steps, Lasting Relief — One Week at a Time

Follow this four-week plan to build a natural pain relief routine for arthritis using essential oils:

• Week 1 — Prep and patch test

◦Pick two to three oils to try, such as ginger, lavender, and frankincense.
◦Buy organic, therapeutic-grade products.
◦Test them on your skin and practice mixing with carrier oils.

• Week 2 — Start daily massage and inhalation

◦Apply your oils in the morning and evening.
◦Use a diffuser during rest or meditation time.
◦Keep a daily log — Track your stiffness, pain levels, and mobility.

• Week 3 — Add a soothing bath or compress

◦Add lavender or peppermint oil to your bath.
◦Try a warm compress with diluted oil on sore joints.
◦Alternate hot and cold packs for added relief.

• Week 4 — Review and adjust

◦Look back at your journal. What’s improving?
◦Change up your oils or add a third application.
◦Celebrate improvements — even small ones like waking up with less stiffness.

Combine Oils for More Powerful Results

Some oils work better together. Here are blends that may offer more relief:

• Lavender-clary sage-marjoram — This mix helps reduce both pain and stress. Use it at night to relax your body and mind.

• Ginger-turmeric-frankincense — This trio goes deep on inflammation. Use during flare-ups or days with extra stiffness.

• Eucalyptus-rosemary — This daytime blend helps with swelling and improves blood flow.

Remember, everyone’s arthritis is different, so customize your essential oils to meet your needs. Some people feel sharp, stabbing pain. Others feel dull, aching joints. Pick oils that match your main issues:

• Sharp pain — Try peppermint or tea tree.
• Aching or stiffness — Try rose, bergamot or myrrh.

You don’t need to change your whole life to start feeling better. Just add a few drops of nature into your routine. Essential oils offer a safe, supportive way to manage arthritis symptoms. Start with one or two oils, use them regularly and watch what changes.

Track your results. Adjust what’s working and what’s not. You’re not just treating symptoms — you’re taking back control of your health, one drop at a time. Ready to get started? Grab your favorite oils and take that first step today.

FAQs About Essential Oils for Arthritis

Q: What are the best essential oils for arthritis?
A: Top oils include ginger, lavender, frankincense, turmeric, eucalyptus, peppermint, and rosemary. These oils have anti-inflammatory and pain-relieving properties that help ease discomfort and support joint function.

Q: How long does it take to see results?
A: Many users feel less pain and stiffness after two to four weeks of daily use. However, everyone is different, so keep track of your progress and adjust as needed for your body.

Q: Can essential oils reduce inflammation?
A: Yes, many essential oils like turmeric, frankincense, and ginger contain compounds that have been shown in studies to reduce inflammation markers. These oils help calm your body’s inflammatory response and ease chronic swelling in joints.

Q: What’s the safest way to use essential oils?
A: Dilute with a carrier oil, do a patch test, and apply topically or use in aromatherapy. Avoid applying undiluted oils directly to your skin and don’t ingest them unless directed by a trained professional.

Q: Are there side effects of essential oils?
A: Some people have skin reactions or allergies. That’s why a patch test is important. If you notice irritation or any unusual symptoms, stop using the oil and consult your health care provider.

In a 14-day pilot, single-blind randomized controlled trial of 32 adults published in Nutrients, hydrogen-rich water was associated with reduced fatigue scores and improved walking distance, strength, and sleep quality in people with long COVID.1 Fatigue is widely understood as a sign that cells are not producing energy as efficiently as they could. When that system falters, even simple tasks like walking across a room or focusing on a conversation can become exhausting.

For those unfamiliar, long COVID is characterized by persistent fatigue, shortness of breath, poor sleep, and reduced physical capacity that continue for weeks or months after the initial infection clears. This means your body doesn’t fully recover, even when standard tests show nothing wrong. Many people also experience brain fog, muscle weakness, and disrupted daily function, which makes work, exercise, and basic routines harder to maintain.

What drives long COVID isn’t a single issue but a cascade of problems. Chronic inflammation, oxidative stress, and immune dysfunction keep your system in a constant state of strain. At the same time, your mitochondria — the parts of your cells responsible for producing energy — lose efficiency. That combination creates a cycle where low energy leads to inactivity, which further weakens your physical and metabolic capacity.

Against that backdrop, researchers began testing whether molecular hydrogen could interrupt this cycle at its root by reducing oxidative stress and restoring cellular function. The results point to a targeted way to improve energy, strength, and recovery, which sets up a closer look at exactly what the study uncovered and how those changes showed up in real people.

What the Trial Found: Hydrogen Water and Long-COVID Symptoms

In the featured Nutrients study, one group drank hydrogen-infused water and another drank regular water for 14 consecutive days, twice daily.2 The trial framework was single-blind, meaning participants did not know which water they received. This reduces participant expectation effects, though researchers were aware of group assignments and a small pilot cannot rule out all sources of bias.

The study included 32 adults who continued to experience fatigue and shortness of breath weeks after their COVID infection. These individuals had measurable declines in daily function, including reduced endurance, muscle weakness, and poor sleep quality. By focusing on people already dealing with lingering symptoms, the researchers tested whether hydrogen water could produce real-world improvements that you would actually feel in your day-to-day life.

• Fatigue dropped noticeably compared to placebo — The group drinking hydrogen-rich water showed a statistically significant reduction in fatigue scores compared to the placebo group. Participants in the hydrogen group reported feeling less exhausted and more capable of handling daily activities. The effect size was classified as moderate, meaning the change was strong enough to matter in real life, not just on paper.
• Physical endurance improved in measurable ways — One of the clearest results came from the six-minute walk test, which measures how far someone can walk in a fixed time.
Participants drinking hydrogen water increased their walking distance significantly more than the placebo group, with improvements ranging between about 42 to 62 additional meters (roughly 138 to 203 feet). Within the trial, this magnitude of improvement reflects gains in cardiovascular and muscular endurance among the studied participants; whether comparable gains generalize beyond this population requires larger trials.
While hydrogen water produced measurable gains in fatigue, endurance, strength, and sleep, it did not lead to a statistically significant change in shortness of breath, nor in depression, anxiety, or stress scores measured by the Depression, Anxiety, and Stress Scale – 21 Items (DASS-21) self-questionnaire. This pattern suggests hydrogen-rich water may be more relevant for fatigue and physical function than for breathing or mood symptoms in this population.
• Muscle strength and functional movement also increased — The study used a chair stand test to measure how many times participants could stand up and sit down in 30 seconds. Those in the hydrogen group improved significantly more than the placebo group, showing better lower-extremity functional capacity. In other contexts, this measure has been linked to balance and fall risk, though those endpoints were not assessed in this trial.
• Sleep quality improved, especially in those already struggling — Among participants who had trouble sleeping, hydrogen water was associated with improvement in sleep scores. Poor sleep and fatigue feed each other, creating a cycle that’s hard to break. Better sleep may interrupt that cycle, giving the body more opportunity for overnight recovery.
• Benefits appeared within the 14-day window — Measurable changes appeared across multiple endpoints, including fatigue, endurance, strength, and sleep, within the two-week intervention. Whether individuals outside the population that was studied would experience similar timing is not established. Larger and longer trials are needed to confirm and extend these findings.

These findings are from research conducted in clinical settings. Results may not apply to all individuals.

Proposed Mechanisms: How Hydrogen May Influence Cellular Energy

The results of the featured study are notable, and the proposed mechanisms are worth understanding. The trial also reported a within-group correlation between reduced fatigue and improved muscle function — participants with the largest fatigue reductions showed the largest strength gains.
This within-trial correlation is consistent with the idea that energy and physical performance reinforce each other, though it’s important to not jump into general conclusions right away. Such a relationship cannot be confirmed from a single small trial.

• Observed effects of hydrogen on oxidative stress — Researchers have proposed that molecular hydrogen acts as a selective antioxidant — preferentially neutralizing the most reactive species, like hydroxyl radicals, while leaving signaling-essential reactive species intact.
For context, hydroxyl radicals are highly reactive and damage almost anything nearby, including proteins, lipids, and DNA. The beneficial reactive species the body uses for immune signaling and cellular communication are more stable, so the proposed model is that hydrogen passes them by. This selective-antioxidant model remains a hypothesis under active investigation.
• Mitochondrial possibilities — Hydrogen has been studied for its potential to influence mitochondrial activity by reducing excess oxidative stress within these structures. When mitochondria function more efficiently, the systems they fuel — including muscles, the brain, and the immune response — have more energy available.
• Inflammatory signaling properties — Hydrogen has also been studied for anti-inflammatory effects. Emerging evidence suggests it may help moderate inflammatory signaling. When chronic inflammation is reduced, energy that has been diverted into inflammatory responses can become available for repair and normal activity.

Practical Approaches for Long-COVID-Related Fatigue

Approaches that aim to support cellular energy production and reduce chronic inflammation are areas of active research for people with persistent post-COVID symptoms. Within this context, the following strategies can be explored:

1. Consider drinking hydrogen-rich water — Some studies have explored whether hydrogen-rich water may help with cellular energy and oxidative stress. Hydrogen tablets are typically dropped into room-temperature water and consumed once fully dissolved (when the water turns cloudy, indicating active hydrogen gas). Tablets producing 8 to 10 parts per million (ppm) with independent purity testing are generally considered preferable.
Also, timing matters. Drink it right away because hydrogen escapes quickly. Don’t swallow the tablet dry or drink partially dissolved pieces, because the reaction produces heat and can damage your tissues. For persistent fatigue, this approach focuses on the cellular-energy hypothesis as one possible target.
2. Patterns of consistent and cycled use are sometimes discussed — Some users adopt a daily-then-cycled pattern to maintain responsiveness, but the optimal regimen has not been established in clinical trials. The protocol in the Nutrients study used twice-daily consumption for 14 days. People who experiment with longer-term use may use it daily during periods of higher fatigue and pause for a few days before resuming. Whether cycling improves outcomes is not clinically established.
3. Spike-protein research is part of the post-COVID conversation — The Nutrients trial focused on cellular energy. In another study, researchers detected vaccine-derived recombinant spike protein in the blood of vaccinated individuals up to 187 days post-vaccination.3 Note that the same paper does not directly establish persistence of infection-derived spike protein, which is the subject of separate ongoing investigation.
Some clinicians and researchers have explored whether proteolytic enzymes — enzymes that break down proteins — might support degradation of circulating proteins. Among proteolytic enzymes, some health care practitioners favor lumbrokinase; rigorous head-to-head clinical comparisons with nattokinase and serrapeptase remain limited.
Proteolytic enzymes are typically taken away from protein-containing meals (commonly an hour before or two hours after) to limit competition with digestive demands. Clinical evidence specifically demonstrating spike-protein-fragment clearance in humans is limited; some individuals report this approach as a complementary strategy when fatigue persists.
4. Structured recovery frameworks are available — Practical resources include the I-RECOVER protocol from the Independent Medical Alliance (formerly known as the Front Line COVID-19 Critical Care Alliance, or FLCCC).4 It covers detox, inflammation control, and mitochondrial repair in a clear sequence. If you feel overwhelmed or unsure where to start, this gives you a defined structure so you can move forward without second-guessing every decision.
5. Cognitive symptoms are sometimes addressed alongside physical recovery — Fatigue can affect cognition as well as physical function. If focus, memory, or mental speed feel off, brain-training tools paired with light physical movement are sometimes used to support neuroplasticity and brain–body coordination. Regular practice is thought to support these pathways over time.

FAQs About Molecular Hydrogen for Long COVID

Q: What did hydrogen-rich water improve in the long-COVID pilot trial?
A: In the cited 14-day pilot trial published in Nutrients, hydrogen-rich water was associated with measurable improvements in fatigue, strength, endurance, and sleep.

Q: How quickly do you start seeing results?
A: The improvements showed up in just 14 days of consistent use. That short timeframe gives you a clear expectation. If your energy system is responding, you would notice changes within weeks, not months. This also makes it easier to track your progress and stay motivated instead of guessing whether something is working.

Q: Why does hydrogen help with fatigue at the root level?
A: Fatigue in long COVID has been associated with disrupted energy production inside cells. Hydrogen has been studied for its potential to reduce oxidative stress and moderate inflammatory signaling, with proposed effects on mitochondrial function. The selective-antioxidant model is currently a hypothesis under active investigation.

Q: Does hydrogen help with all long COVID symptoms?
A: Results in this trial were stronger for fatigue, strength, endurance, and sleep than for shortness of breath. DASS-21 scores also did not show statistically significant improvement. The data support hydrogen-rich water as more relevant to fatigue and physical function than to breathing or mood symptoms in this population.

Q: How does improving energy lead to better physical recovery?
A: Within the trial, participants with the greatest fatigue reductions also showed the largest strength gains. Whether this within-group correlation reflects a generalizable feedback loop between energy and movement requires further study.

This article is for informational purposes only and does not constitute medical advice. Consult a qualified healthcare provider before making changes to your health regimen.

Test Your Knowledge with Today’s Quiz!
Take today’s quiz to see how much you’ve learned from yesterday’s Mercola.com article.

A compound used in some orally taken weight-loss drugs to help absorption is called:

Salcaprozate sodium (SNAC)
Salcaprozate sodium (SNAC) is added to oral GLP-1 drugs to help them pass through the stomach lining and enter the bloodstream. Learn more.
Sodium bicarbonate (NaHCO₃)
Calcium carbonate (CaCO₃)
Magnesium citrate

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Anxiety, depression, epilepsy, and even Alzheimer’s disease share a surprising common thread: low levels of a calming brain chemical called GABA. Short for gamma-aminobutyric acid, GABA works as your brain’s main “brake pedal,” slowing down excessive firing and bringing your nervous system back to a calm, stable state.

When this neurotransmitter is out of balance, symptoms include racing thoughts, poor sleep, panic attacks, memory problems, and even seizures. Many people think of GABA as a brain chemical made exclusively in the brain. But a growing number of studies reveal that your gut microbiome plays a powerful role in how much GABA your brain actually produces.

In fact, research published in NPJ Science of Food shows that specific types of prebiotics — not just probiotics — raise GABA levels in your gut and, more importantly, in your brain.1 That matters because GABA doesn’t just help you relax — it helps regulate everything from mood to cognition to immune responses.

If your gut microbiome isn’t supporting enough GABA production, you may find yourself locked in a pattern of chronic tension, emotional instability, or cognitive fog. You might be eating well and sleeping enough, yet still feel like something is off.

The root cause could be in your microbiome — and the fix could be as simple as restoring the right bacterial balance. Let’s take a closer look at how this study uncovered the gut-brain connection driving GABA production, and why it might change how you approach mental health from the inside out.

Prebiotics Alter Gut Bacteria to Boost GABA in Your Brain

In the NPJ Science of Food study, researchers investigated whether fructooligosaccharides (FOS), a well-known prebiotic, and enzymes derived from the fungus Aspergillus could increase levels of GABA and homocarnosine — a compound found mainly in the brain that’s made from GABA and helps keep your brain cells healthy and your mind sharp.2 While probiotics have been shown to increase gut and brain GABA, researchers wanted to know whether prebiotics could do the same — and how they might do it.

• The study used adolescent mice and looked at brain and gut outcomes — The researchers fed adolescent mice either FOS, Aspergillus lipase, or Aspergillus protease for four weeks. Then, they measured GABA and homocarnosine levels in the gut, blood, and brain. They also analyzed the microbiome of the gut to find out which bacterial changes might explain the shifts in neurotransmitter levels.

• FOS and enzymes raised brain GABA levels in multiple regions — All three treatments — FOS, lipase, and protease — increased GABA levels in the brain, particularly in the cortex and hippocampus, two regions associated with memory, stress, and emotional balance. FOS also raised GABA in the hypothalamus, a key regulator of hormones and autonomic nervous system activity.

• Homocarnosine, a GABA-based brain peptide, also increased — Alongside higher GABA levels, the researchers observed significantly increased homocarnosine in the hippocampus of all treatment groups. Homocarnosine plays an important role in neurological function. The increase in both compounds points to deeper shifts in brain chemistry linked to microbial activity in the gut.

• GABA didn’t rise in the bloodstream, hinting at a non-blood-based communication route — Interestingly, none of the treatments raised GABA in the blood. This suggests that gut-produced GABA could be signaling to the brain through other routes, likely through the vagus nerve or via hormonal pathways, rather than circulating in the bloodstream.

Beneficial Bacteria Increased Along with GABA

After treatment, the gut microbiome shifted in measurable ways. FOS and enzymes increased beneficial species like Parabacteroides, Akkermansia, Muribaculum, and Hungatella. These specific bacteria showed strong positive correlations with higher GABA and homocarnosine in the brain. They are now considered possible “helper species” in this gut-brain communication network.

• Other bacterial strains dropped — and that’s a good thing — Bacteria negatively linked to GABA and homocarnosine, including Blautia, Roseburia, and Eubacterium coprostanoligenes, were reduced in abundance after FOS and enzyme intake. These species are often elevated in gut dysbiosis and may interfere with healthy neurotransmitter production.

• FOS had the strongest effect on gut environment — While all three supplements increased brain GABA, FOS triggered the most pronounced changes in gut microbial composition and diversity. It significantly boosted the relative abundance of Bacteroidota and Verrucomicrobiota — microbial phyla linked to metabolic health — and decreased Firmicutes, a group often associated with inflammation when out of balance.

• Aspergillus enzymes also acted like prebiotics by reshaping the gut microbiome — Though not traditional fibers, the fungal enzymes used in the study showed prebiotic-like behavior. They likely worked by helping to break down undigested macronutrients in the large intestine, releasing nutrients that fed GABA-supportive bacteria.

• Bacterial shifts were linked directly to neurotransmitter levels — Using correlation analysis, researchers found that specific bacterial populations — especially Akkermansia, Parabacteroides, and Flavonifractor — were strongly linked to higher GABA and homocarnosine levels. Meanwhile, species like Colidextribacter and Acetatifactor were tied to lower levels. These patterns help pinpoint which microbes play a supportive versus suppressive role in GABA metabolism.

How to Restore GABA Balance by Healing Your Gut

If your mental energy feels unstable — too wired during the day, too restless at night — your GABA levels may be out of sync. And that imbalance often starts in your gut. When your microbiome is damaged, even “healthy” foods like prebiotics worsen symptoms. But when your gut is stable, the right prebiotics become powerful tools for restoring calm and focus by increasing brain GABA. The key is knowing when and how to use them. Here are five steps to help you get there:

1. Don’t jump into prebiotics if your gut is inflamed — If you feel gassy, bloated, or irregular after eating, your gut lining is likely irritated and your microbiome out of balance. This is not the time to load up on garlic, onions, or leeks. These ferment too fast and feed bacteria that increase harmful endotoxin, making symptoms worse. Instead, go with metabolically safe carbs like white rice and fruit, which nourish you without feeding the wrong bacteria.

2. Wait until symptoms stabilize before adding fermentable carbs — Most people rush into fiber thinking it’s always a good thing. But when your gut barrier is compromised, even resistant starches and “gut-friendly” fibers do more harm than good. Once you’re having regular bowel movements with no bloating, that’s your green light to start reintroducing prebiotics slowly and with purpose.

3. Support GABA with food-based prebiotics — at the right time — When your digestion is stronger, begin introducing prebiotic foods that specifically support GABA-producing bacteria. These include FOS-rich choices like bananas, asparagus, garlic, and leeks. The goal isn’t to flood your system but to gently nudge the right species, like Akkermansia, into balance. A quarter of a cooked leek or a few slices of ripe banana might be all you need to get started.

4. Reinforce brain GABA with fermented foods and targeted supplements — Once you’ve got microbial stability, start layering in direct GABA support. Fermented foods like kimchi, kefir, and miso contain small but meaningful amounts of GABA. If your stress is high or your sleep is poor, consider a high-quality GABA supplement.

5. Use natural progesterone to amplify GABA’s calming effects — Natural progesterone enhances GABA signaling in the brain and has a direct calming effect on your nervous system. Unlike synthetic progestins, natural progesterone is a hormone your body already recognizes and responds to.

FAQs About Prebiotics and GABA

Q: How does your gut microbiome affect GABA levels in your brain?
A: Your gut bacteria play a key role in producing GABA, your brain’s main calming neurotransmitter. Certain beneficial microbes, like Akkermansia and Parabacteroides, help increase GABA and its brain-specific partner, homocarnosine. When these microbes are supported with the right prebiotics, GABA levels in brain regions linked to memory, stress, and mood regulation go up, helping to reduce anxiety, improve sleep, and support cognitive clarity.

Q: What are the best prebiotics for boosting brain GABA?
A: Fructooligosaccharides (FOS), found in foods like garlic, onions, leeks, bananas, and asparagus, support GABA-producing microbes. Enzymes derived from Aspergillus fungi, specifically protease and lipase, also act like prebiotics by reshaping the gut microbiome and feeding the right bacteria without the fermentability that triggers gas or bloating.

Q: Should you take prebiotics if your gut is inflamed or compromised?
A: Not yet. If you’re bloated, constipated, or have loose stools, your gut isn’t ready for high-prebiotic foods. In this state, prebiotics feed the wrong microbes and increase inflammation. It’s better to start with metabolically supportive carbs like white rice and fruit, then slowly introduce prebiotics once your digestion is stable.

Q: What natural strategies help increase GABA besides prebiotics?
A: Fermented foods like kimchi, kefir, and miso provide small amounts of GABA directly. Supplements offer more targeted support if your levels are depleted. Natural progesterone also enhances GABA’s calming effects in your brain, helping reduce the wired-but-tired feeling that often comes with hormone imbalance or chronic stress.

Q: What does homocarnosine do, and why is it important?
A: Homocarnosine is a brain-specific compound made from GABA and histidine. It helps protect neurons, stabilize brain chemistry, and support clear thinking. The same prebiotics that increase brain GABA also raise homocarnosine levels, making them doubly important for improving neurological health through your gut-brain axis.

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When you’re down with a virus or infection, your need for nutrients, fluids, and energy skyrockets. But appetite usually goes in the opposite direction. That mismatch is what delays recovery and, in some cases, it’s what lands people in serious trouble. This is where your food choices come in. When you’re under the weather, eating becomes about function, not flavor.

The right foods support immune response, soothe irritation, repair tissue, and help you bounce back faster. The wrong ones drag your system down, worsen symptoms, or stop healing in its tracks. Your body is always working behind the scenes to heal, but when you’re sick, it needs you to work with it. That means knowing what to eat based on your symptoms and giving your system the building blocks it’s asking for.

Different Symptoms Call for Different Food Strategies

A practical guide in TIME focuses on what to eat and what to avoid, when you’re sick with specific symptoms like nausea, diarrhea, sore throat, or heartburn.1 Rather than giving one-size-fits-all advice, it tailors food strategies based on how your body is reacting. Whether you’re vomiting, coughing, or constipated, the goal is to nourish your body in ways that don’t aggravate your symptoms but instead support your recovery.

• Hydration comes first, especially during a stomach bug — When you’re vomiting or dealing with diarrhea, you lose not just water, but electrolytes — minerals like sodium and potassium that your body needs to function.

Dehydration triggers headaches, dizziness, and fatigue. To prevent this, start by sipping coconut water or broth in small spoonfuls — not large gulps — which are easier on your gut. High-water fruits and vegetables like cucumbers, melons, and oranges are also smart hydration boosters when plain water feels unappealing.2

• Bland carbs are your best friends when your stomach is upset — Once you’re able to keep fluids down, foods that contain soluble fiber, such as bananas, applesauce, and rice, help bulk up stool without irritating your system. The key is to eat small amounts frequently rather than large meals that could make nausea or diarrhea worse.

Constipation Relief Needs Fiber, but Timing Is Everything

For constipation, consider a gradual increase in dietary fiber — overloading too quickly will worsen bloating and discomfort. You should only consume fiber-rich foods once your gut is stable enough to handle fiber safely. That’s the fiber paradox: fiber is necessary, but if you consume it when your gut is unhealthy, it makes symptoms worse. Start slow and drink plenty of water to help fiber move smoothly through your system.

• Warm beverages help get things moving — Warm liquids help stimulate bowel movements, which is why some people rely on coffee or tea first thing in the morning.3 The warmth, not necessarily the caffeine, helps activate the colon.

• Whole fruits and legumes offer lasting support — Once your system adjusts, fruits like prunes and fiber-rich legumes become valuable tools for keeping digestion regular. But again, the transition has to be slow and mindful to avoid making constipation worse.

Choose easy-to-digest foods like whole fruit and white rice to start. As your gut heals, begin layering in starches like peeled potatoes or cooked squash. Later, move toward root vegetables and, finally, more fibrous foods.

When You’re Congested, Comfort Foods Aren’t Just Comforting

Broth-based soups hydrate and deliver nutrients without requiring much digestion. Their warmth also helps open nasal passages, making it easier to breathe when you’re congested from a cold or the flu.4

• Soothing teas are a smart addition — Ginger or peppermint tea calms your stomach, hydrates and helps clear sinus buildup. These herbs also have mild antimicrobial and anti-inflammatory effects, making them useful allies during upper respiratory infections.

• Cold or warm foods both help a sore throat — Homemade freezer pops made with fruit juice, grass fed yogurt (choose homemade, not commercial varieties) and smoothies have a cooling effect on sore throats. But warm soups also soothe pain and add nutrients when you’re not eating much else. For older children and adults, saltwater gargles (1/2 teaspoon in 8 ounces of warm water) also reduce throat swelling.5

• Raw honey is healing — Honey is known for its antibacterial properties and has long been used in wound care. Tea with honey helps reduce throat inflammation and suppress coughing. According to the Mayo Clinic, honey coats your throat and acts as a natural cough suppressant that’s especially helpful at night.6 Try stirring honey into warm tea or taking a spoonful directly.

Avoiding Trigger Foods Is Key When You’re Dealing with Heartburn

Heartburn is often made worse by acidic, fatty, or spicy foods. Tomatoes, citrus, caffeine, chocolate, and peppermint are common top offenders. Eating these relaxes the valve between your stomach and esophagus, letting acid creep upward and cause that burning sensation.7

• Most heartburn is caused by too little stomach acid, not too much — In addition to optimizing your mitochondrial function, consuming hydrogen-rich foods, such as fresh fruits, vegetables, and proteins, and chloride-rich foods, such as salt, celery, and olives, provides the dietary sources for your body to make stomach acid. Consuming sauerkraut or cabbage juice will also stimulate your body to produce stomach acid.

• Timing matters just as much as what you eat — Eating close to bedtime or lying down right after a meal increases the odds of reflux. Eat dinner earlier and stay upright for at least an hour after eating.

Specific Foods Offer Immune and Recovery Benefits When You’re Sick

Whether you’re dealing with a cold, flu, nausea or general fatigue, certain foods are easy to tolerate but still powerful in their effects. These include bone broth, garlic, coconut water, ginger, raw honey, fruits, leafy greens, and grass fed yogurt. Each of these foods has a beneficial impact on recovery, energy production and inflammation control when you’re sick.8

• Bone broth offers collagen and amino acids that help repair tissue — It’s easy on your digestive system while supplying building blocks for gut lining restoration and immune cell production. Because it’s hot and liquid-based, bone broth also loosens nasal congestion and soothes your throat.

• Garlic has proven antiviral and antibacterial effects — Garlic reduces the severity of colds and flu.9 Aged garlic extract in particular has been shown to enhance immune function10 — it’s a well-documented example of food acting as medicine. Garlic works by stimulating immune cells and possibly reducing viral replication.

• Coconut water restores lost electrolytes without irritating your stomach — If you’re vomiting, sweating, or running a fever, you’re not just losing fluid — you’re also losing potassium and sodium. Coconut water replaces both and adds a touch of natural sugar for quick energy. Unlike synthetic sports drinks, it’s free of dyes and additives.

• Ginger stops nausea in its tracks and soothes your gut — Ginger has anti-nausea effects. It calms your digestive tract and prevents spasms that trigger vomiting. You can steep fresh ginger as tea to get the benefits.

What to Eat and Drink to Speed Healing When You’re Sick

If you’re dealing with a cold, stomach bug, sore throat, or just feeling wiped out, the goal is to reduce stress on your system while giving it the fuel it needs to fight back. Food and hydration aren’t optional; they’re how you help your body repair and restore energy. But it’s not just about eating anything.

What matters is choosing the right things for your symptoms and knowing how to adjust as your body heals. Below are five practical steps to take when you’re sick and want to get better faster, without worsening your symptoms or draining your energy further:

1. Start with hydration, but sip, don’t gulp — If you’re throwing up, sweating, or dealing with diarrhea, you’re not just losing water. You’re also losing electrolytes like sodium and potassium, which your body needs to function. Instead of gulping water, take small sips of coconut water, diluted fruit juice, or warm bone broth throughout the day. This helps you stay hydrated without triggering more nausea or stomach cramps.

2. Use food to match your symptoms, not fight them — If your stomach is upset, go with bland foods like rice, applesauce, or bananas. These are easy to digest and help stabilize your gut. If you’re battling a sore throat, soft cold foods like grass fed yogurt or homemade popsicles made from fruit juice are soothing, while raw honey stirred into tea works as a natural cough suppressant.

3. Add healing ingredients that actually work — Use garlic for its antiviral properties. Add fresh ginger to tea or chew on a piece to settle your stomach. Spoon raw honey into warm water or tea to coat your throat and reduce inflammation. These are evidence-backed ways to support immune function and ease your symptoms without relying on over-the-counter drugs.

4. Eat small amounts — don’t force big meals — If you’re not hungry, that’s OK, but skipping food for too long will leave you weaker. Even just a few spoonfuls of broth or a banana help keep your energy stable and prevent further fatigue or dizziness.

5. Use fruits and vegetables as a hydration bonus — When plain water doesn’t sound appealing, use high-water fruits and veggies like watermelon, cucumbers, berries, or citrus slices. These give you both fluids and essential nutrients in one bite. It’s an easy solution when you’re too tired to cook or eat a full meal, and it keeps you on track toward recovery without overloading your system.

FAQs About What to Eat When You’re Sick

Q: What are the best foods to eat when you’re sick?
A: Focus on simple, nourishing options that are easy on your system. Bone broth, bananas, rice, applesauce, grass fed yogurt, and cooked vegetables provide energy without overwhelming your digestion.

Q: What should I eat if I have a sore throat or cough?
A: Choose soft, soothing foods like homemade popsicles made from fruit juice, smoothies, or grass fed yogurt. Add raw honey to warm tea to calm irritation and reduce coughing. Warm bone broth also helps by easing inflammation and supplying nutrients.

Q: What should I eat to help with nausea or vomiting?
A: Ginger — used in teas or fresh form — is especially helpful for calming your stomach. Sip coconut water or broth slowly to stay hydrated without triggering more nausea.

Q: How do I stay hydrated if I can’t drink much?
A: Take small sips of coconut water or warm herbal teas throughout the day. High-water fruits like watermelon, oranges, and cucumbers also count toward your fluid intake and help prevent dehydration.

Q: Are there foods that actually help fight illness?
A: Yes. Garlic supports immune function with antiviral and antibacterial properties. Ginger relieves nausea and soothes your stomach. Raw honey coats your throat and acts as a natural antimicrobial.

1How does glucagon-like peptide-1 (GLP-1) help regulate blood sugar?

It lowers insulin production
It blocks glucose absorption
It controls blood sugar
Glucagon-like peptide-1 (GLP-1) is a hormone that signals fullness after eating and helps regulate blood sugar levels. Learn more.

It speeds up digestion

2Which of the following is not a symptom of inflammatory bowel disease (IBD)?

Hot flushes
IBD commonly causes abdominal pain, diarrhea, fatigue, and weight loss. Hot flushes are not a typical symptom. Learn more.

Abdominal pain
Diarrhea
Weight loss

3What role do healthy fat cells play in the body?

They only store excess calories for later use
They store fats and prevent damage to organs
Healthy fat cells act as a metabolic buffer, storing unstable fats safely so they don’t circulate in the bloodstream and damage organs and tissues. Learn more.

They remove all fats from the bloodstream
They stop the body from producing new fat

4What is another name for the brain’s immune cells?

Neurons
Astrocytes
Synapses
Microglia
Microglia are the brain’s immune cells. They help protect the brain, but poor diet can impair their energy production. Learn more.

5What is one effect of long-term carbohydrate restriction on the body?

Reduced efficiency of cellular energy production
Limiting carbohydrates for long periods can slow metabolism and reduce mitochondrial energy output. Learn more.

Improved mitochondrial performance in most adults
Faster metabolism that eventually causes body fat loss
Protein fully replaces the need for carbohydrates

6How many servings of flavonoid-rich foods are linked to better mood?

Three servings per day
Eating around three servings daily of flavonoid-rich foods like berries, apples, and citrus is linked to improved mood and long-term emotional stability. Learn more.

One cup of the same fruit a day
Five servings of fruit blended with plant-based milk
Five servings of fruit with a dusting of organic sugar

7How can you get more collagen from eating fish?

Removing the skin before cooking
Keeping the skin on the fish
Fish skin is rich in Type I collagen. Keeping and eating the skin, especially on fatty fish, helps increase collagen intake. Learn more.

Cooking fish at lower temperatures only
Eating only lean cuts of fish

Test Your Knowledge with
The Master Level Quiz

1Which of the following is NOT a glucagon-like peptide-1 (GLP-1) weight-loss drug?

Ozempic
Wegovy
Mounjaro
Xenical
Xenical or Orlistat blocks fat absorption, while glucagon-like peptide-1 (GLP-1) drugs act on appetite and blood sugar regulation. Learn more.

2What is the fatty, waxy substance found in every cell of the body?

Glucose
Cholesterol
Cholesterol is a waxy fat-like substance present in all cells. Most of it is made by the body, mainly in the liver, while a smaller portion comes from food. Learn more.

Protein
Calcium

3What was the most common issue reported in lawsuits involving GLP-1 drugs?

Digestive injury
Most lawsuits involve digestive problems, especially gastroparesis, where the stomach slows or stops moving food properly. Learn more.

Skin irritation
Vision problems
Muscle weakness

4Which foods help support beneficial gut bacteria like Akkermansia muciniphila?

Processed snacks and sugary drinks
Fried foods (made with healthy oils) and refined grains
Polyphenol-rich fruits and inulin-containing foods
Foods like berries, garlic, and asparagus provide compounds that support beneficial gut bacteria and help maintain a healthy microbiome. Learn more.

Natural sweeteners and homemade smoothies

5What elements make up baking soda?

Sodium, calcium, oxygen, and nitrogen
Sodium, hydrogen, carbon, and oxygen
Baking soda, or sodium bicarbonate (NaHCO₃), is made of sodium, hydrogen, carbon, and oxygen. It helps maintain pH balance. Learn more.

Carbon, oxygen, nitrogen, and sulfur
Hydrogen, oxygen, calcium, and potassium

6Where is most of the klotho protein produced in the human body?

Liver
Kidneys
Klotho is produced mainly in the kidneys and also in the brain. It helps reduce inflammation and supports healthy aging, brain function, and tissue repair. Learn more.

Heart
Lungs

7Why do aggressive diets increase metabolic stress?

They release large amounts of stored fats into the bloodstream at once
Extreme dieting speeds up fat breakdown, releasing large amounts of stored fats at once, which increases inflammation and metabolic stress. Learn more.

They improve fat processing by making a person sweat more, leading to fat loss
They lower energy demand and slow metabolic activity in the body
They prevent fat from being used as fuel during energy production

8Which cells in the gut are responsible for producing protective mucus?

Stem cells
Immune cells
Epithelial cells
Goblet cells
Goblet cells produce mucus that protects the gut lining. When these cells are reduced, the intestinal barrier weakens. Learn more.

9Which waste materials does the brain need to clear to stay healthy?

Calcium and sodium
Glucose and oxygen
Beta-amyloid and tau proteins
The brain clears beta-amyloid and tau proteins through the glymphatic system. Buildup of these wastes is linked to neurological diseases like Alzheimer’s. Learn more.

Cholesterol and fatty acids

10What term describes a cell’s ability to adjust energy production when needed?

Metabolic flexibility
Metabolic flexibility is the ability of cells to adjust energy output. Aging brains lose this ability, making it harder to respond to stress and maintain function. Learn more.

Cellular respiration
Oxidative stress
Energy storage

11Which type of meat is a better alternative to conventionally raised chicken?

Farmed fish like tilapia
Meat from ruminant animals like cows and sheep
Ruminant animals like cows and sheep have unique digestion that helps reduce harmful fats, making them a better meat choice compared to grain-fed chicken. Learn more.

Processed deli meats made using traditional, organic methods
Grain-fed pork products

12Which of the following is not a heavy metal?

Lead
Mercury
Aluminum
Lead, mercury, and arsenic are classified as heavy metals linked to toxicity, while aluminum is not typically grouped with them in this context. Learn more.

Arsenic

13Why are breast cancer survival rates higher in high-income regions?

Access to early detection and effective treatment differs
High-income regions detect cancer earlier and provide better care, leading to lower death rates than regions with limited access. Learn more.

Genetic risk is higher in low-income countries
Climate affects how breast cancer develops
Lifestyle choices fully explain survival differences

14What type of strength is most important for preventing falls?

Hip strength in the hip abductors
Strong hip abductors help control side-to-side balance and stability, making it easier to step, recover, and avoid falls. Learn more.

Arm strength in the shoulders
Core strength in the abdomen
Grip strength in the hands

15Which two vegetables were shown to remove most microplastics from water?

Spinach and kale
Carrots and cabbage
Broccoli and cauliflower
Okra and fenugreek
Natural okra and fenugreek removed up to 93% of microplastics from water by trapping particles and helping them clump together for easier removal. Learn more.

16Which of these foods is also a good source of choline?

Pastured eggs
Pastured eggs are rich in choline, a nutrient linked to lower anxiety and better brain function, helping support a stable mood. Learn more.

Cooked white rice
Grilled chicken breast
Unvetted olive oil

17How does cognitive shuffling help rewire your brain for better sleep?

It trains the mind to stay completely silent before sleep
It encourages focused thinking to prepare the brain for rest
It trains the brain to associate repetitive thoughts with sleep
Repeating simple, random thoughts helps the brain link this pattern with winding down. Over time, it becomes a cue that signals the body to relax and fall asleep. Learn more.

It increases mental alertness to delay the onset of fatigue

18Which of these is not a symptom of an ingrown toenail?

Redness around the nail
Swelling and tenderness
Improved nail growth
Ingrown toenails cause redness, swelling, pain, and possible infection. Improved nail growth is not a symptom. Learn more.

Pain or signs of infection

19Which cut of meat contains the least amount of collagen?

Oxtail
Beef shank
Pork knuckle
Tenderloin
Tenderloin is a lean cut with very little connective tissue, so it contains less collagen compared to tougher cuts like shank or oxtail. Learn more.

20Which of the following is not a threat to cellular energy production?

Seed oils high in linoleic acid
Exposure to plastics
Complex carbohydrates
Seed oils, plastics, and electromagnetic fields (EMFs) can damage mitochondria. Complex carbohydrates support energy production and are not a threat. Learn more.

Electromagnetic fields

21How do low vitamin K2 levels affect calcium in the body?

Calcium is fully absorbed into bones and strengthens them
Calcium builds up in arteries while bones become weaker
Without vitamin K2, calcium is not directed to bones and instead accumulates in arteries, leading to weaker bones and increased cardiovascular risk. Learn more.

Calcium is completely removed from the bloodstream
Calcium is converted into energy for the body instead of going into the bones

A compound hidden inside certain weight-loss tablets raises serious questions about gut health. Most people recognize semaglutide through brand names such as Ozempic and Wegovy. These drugs belong to a class called GLP-1 receptor agonists — they mimic a natural gut hormone that tells your brain you’re full, slows stomach emptying, and helps regulate blood sugar.

Injectable versions deliver the drug directly under your skin, but oral formulations require a chemical absorption enhancer called salcaprozate sodium, or SNAC, so the drug can cross your stomach lining. Even with that assistance, only about 0.4% to 1% of the dose becomes available in the bloodstream.

The remaining 99% travels the full length of your digestive tract, where it washes over the trillions of microbes that ferment your food, train your immune system, and maintain the protective lining of your gut. Researchers writing in the Journal of Controlled Release report that this overlooked ingredient reshapes that ecosystem in ways that could undermine the very metabolic health these drugs claim to improve.1

What makes these findings especially striking is that your gut already contains the machinery to produce GLP-1 naturally — butyrate-producing bacteria fuel the very cells that release this appetite-regulating hormone — and the ingredient meant to deliver a synthetic version of that signal may be destroying the biological original.

GLP-1 Tablets Hidden Delivery Ingredient Reshapes Your Gut Ecosystem

For the study, researchers looked at SNAC, the ingredient that helps semaglutide tablets pass through your stomach wall and enter the bloodstream. They wanted to know what happens when this chemical moves through the digestive system day after day.

To test this, they gave healthy rats semaglutide, SNAC alone, or both together for 21 days. Afterward, they examined changes in gut bacteria, inflammation signals, and metabolic markers. The goal was to find out whether the delivery ingredient itself disrupts the gut microbiome that supports metabolic health.

• Even healthy animals showed clear biological changes within a few weeks — The experiment used young, healthy rats that didn’t have diabetes or obesity. This allowed researchers to see how the compound affects the body under normal conditions.

Despite starting with healthy animals, repeated exposure to SNAC caused noticeable shifts in gut bacteria, inflammation markers, and digestive metabolism in just three weeks. This finding matters because many people take GLP-1 drugs for long periods of time to control weight or blood sugar.

• Weight gain slowed mainly because the drug reduced appetite — During the first week of treatment, animals receiving semaglutide or SNAC gained less weight than untreated rats. By the end of the 21-day experiment, weight gain dropped about 7.8% in the semaglutide group and about 4.9% in the SNAC group. Researchers traced this effect to lower food intake. The drug worked by making the animals eat less, not by speeding up their metabolism.

• Helpful gut bacteria and enzymes dropped sharply during treatment — Two important groups of bacteria declined significantly. Muribaculaceae fell by 53% with semaglutide and 62% with SNAC alone. Bacteroidaceae dropped by 60% and 77% respectively. These microbes normally break down complex carbohydrates and fibers that reach the lower intestine. When they do this job, they produce helpful compounds that support colon cells and help control inflammation.

Several enzymes that help break down carbohydrates also dropped significantly in the SNAC group. This means the microbial community lost some of its ability to convert complex carbohydrates into beneficial compounds that support gut and immune health.

• Bacteria linked to inflammation expanded — While beneficial microbes declined, another group of bacteria called Desulfovibrionaceae increased about sevenfold in animals receiving SNAC. This bacterial family produces hydrogen sulfide — the same gas responsible for the smell of rotten eggs — which irritates the intestinal lining and erodes the protective barrier that keeps toxins sealed inside your gut.

• Production of butyrate — a key gut fuel — dropped dramatically — One of the most important findings involved butyrate, a short-chain fatty acid (SCFA) made when gut bacteria ferment certain carbohydrates. SNAC lowered fecal butyrate levels by about 77%, while the semaglutide-SNAC combination lowered it by about 75%. Colon cells rely on butyrate as their main energy source. When levels fall, those cells struggle to maintain a strong gut lining.

Lower butyrate weakened the gut barrier and affected the liver. Butyrate helps colon cells maintain tight junctions — tiny seals that keep bacteria and toxins inside the intestine. When butyrate levels drop, those seals loosen and harmful substances move into the bloodstream more easily.

The study also found signs that this change affected the gut-liver connection. Blood from your intestine flows directly to your liver through the portal vein, so when the gut barrier leaks, the liver is the first organ to absorb the damage. Rats treated with SNAC showed a 12.9% increase in liver weight and a 30% drop in cecum weight — the cecum is a pouch at the start of the large intestine where gut bacteria ferment food — both signs that fermentation inside the gut had changed.

• Inflammation markers increased as the microbiome shifted — Blood tests revealed higher levels of inflammatory signals after SNAC exposure. Tumor necrosis factor-alpha rose about 70% in the SNAC group, and IL-6 increased in animals receiving the combined treatment.

These molecules act like alarm signals in the immune system and often rise in metabolic conditions such as obesity and insulin resistance. The same animals also showed an 85% drop in brain-derived neurotrophic factor, or BDNF, a molecule that supports brain cell health and nerve communication. Butyrate stimulates BDNF production through signaling pathways that connect your gut to your brain — so when butyrate collapses, BDNF falls with it.

How to Restore Gut Signaling So Your Body Produces Its Own GLP-1

If you’re taking oral semaglutide, these findings deserve your attention — because the very ingredient that delivers the drug may be dismantling the microbial machinery your body uses to produce GLP-1 on its own. That means the pill could be quietly deepening your dependence on it. The good news is that the system it disrupts is also the system you can rebuild.

Your gut microbes produce SCFAs, especially butyrate, which act like metabolic messengers throughout your body. Butyrate serves as the primary fuel for colon cells, including L-cells that produce GLP-1. So, your body already contains a highly effective system to manage weight and regulate your metabolic health — it depends on butyrate-fueled GLP-1 production, not injections.

However, many people produce very little butyrate because modern diets contain far less fermentable fiber than traditional diets. As a result, your gut barrier weakens, inflammatory signals rise, and the metabolic signals that regulate appetite become less stable. Rebuilding the microbial community that produces these molecules restores your body’s own appetite-regulation system — the same one these drugs were designed to replace.

1. Rebuild butyrate production so your gut barrier strengthens again — Your gut bacteria produce SCFAs when they ferment certain carbohydrates and fibers. Butyrate stands out as the most important one. It fuels the cells lining your colon and tightens the microscopic junctions that keep toxins inside your digestive tract.

When butyrate levels drop, your gut barrier weakens and inflammatory compounds leak into circulation. Restoring butyrate production strengthens the intestinal lining and restores metabolic signaling that influences appetite and fat metabolism. Begin by eliminating seed oils high in linoleic acid (LA), which weaken your colon’s protective lining and suffocate beneficial bacteria.

These fragile fats make it harder for your gut cells to burn butyrate. The result is a gut full of oxygen that kills off the bacteria you rely on for metabolic balance. The more of these oils you eat, the hungrier and more inflamed you become. The goal is to get your LA intake below 5 grams, and ideally closer to 2 grams, daily. To track your intake, sign up at the Pax health platform, which includes the Seed Oil Sleuth feature that calculates LA exposure with precise accuracy.

2. Stabilize your gut environment before adding large amounts of fiber — If your digestion is unstable — bloating, unpredictable bowel habits, or discomfort after meals — start by calming the microbial environment. Simpler meals and temporarily lower fermentable fiber reduce excessive fermentation and the release of endotoxins — toxic fragments from bacterial cell walls that slip through the loosened tight junctions described earlier and enter your bloodstream.

Once there, they trigger the same inflammatory cascade the study detected in SNAC-treated animals. This phase allows your intestinal lining to rebuild and creates conditions where beneficial bacteria that produce butyrate can return.

3. Gradually expand plant diversity to rebuild beneficial microbes — Once your digestion becomes calmer — less bloating, predictable bowel habits, and better tolerance to meals — your gut is ready for more fiber. Most adults function best with roughly 250 grams of carbohydrates daily once metabolic stability improves. The key is introducing those carbohydrates in forms your gut can tolerate.

Whole fruits and well-cooked starches such as white rice provide glucose for mitochondrial energy production without overwhelming a compromised microbiome with heavy fermentation. From there, rebuild fiber gradually. Start with root vegetables — they’re easy to digest and provide moderate fiber. Then add non-starchy vegetables. Starchy vegetables like squash and sweet potatoes come next. Beans, legumes, and minimally processed whole grains come last, and only if you tolerate them well.

4. Feed the microbes that specialize in producing butyrate — Resistant starch foods play an important role during this stage. Cooked-and-cooled white potatoes and green bananas feed specific bacteria that specialize in producing butyrate.

As those microbes multiply, butyrate levels rise, your intestinal barrier tightens, and inflammatory compounds remain contained inside your digestive tract. This single metabolic shift strengthens gut integrity, reduces inflammation signals, and restores communication between your microbiome and the rest of your body.

5. Activate GLP-1 naturally by restoring the gut systems drugs attempt to mimic — Your intestine already produces GLP-1, the hormone that regulates appetite and blood sugar. Drug companies attempt to replicate that signal with injections such as Ozempic and Wegovy.

My book, “Weight Loss Cure: Melt Fat Naturally With Your Own GLP-1,” now available in ebook and hard copy, explains how to restore the natural version of that system through diet and metabolic support. When your gut microbiome produces enough SCFAs — especially butyrate — your body regains the ability to regulate appetite, metabolism, and fat loss through its own biological signals.

FAQs About the Hidden Ingredient in Oral Ozempic and Wegovy

Q: What hidden ingredient in oral semaglutide tablets raised concerns in this study?
A: Researchers focused on SNAC, a chemical added to oral semaglutide tablets so the drug can cross the stomach lining and enter the bloodstream. Because only about 0.4% to 1% of the drug actually reaches circulation, most of the compound continues through the digestive tract, where it interacts with the gut microbiome — the community of microbes that helps regulate digestion, immunity, and metabolic health.

Q: What did researchers discover about SNAC’s effects on gut bacteria?
A: In a 21-day experiment using healthy rats, scientists found that repeated exposure to SNAC significantly altered the gut microbiome. Beneficial bacteria that normally ferment carbohydrates and support metabolic health declined sharply, while bacteria linked to inflammation increased. These changes occurred even in animals that were otherwise healthy.

Q: Why is the drop in butyrate important for gut health?
A: Butyrate is an SCFA produced when gut bacteria ferment certain carbohydrates and fibers. It serves as the primary fuel for colon cells and helps maintain the tight junctions that keep bacteria and toxins inside the intestine. When butyrate levels drop, the intestinal barrier weakens, making it easier for harmful substances to enter the bloodstream and trigger inflammation.

Q: What other health signals changed when the microbiome shifted?
A: The study found that animals exposed to SNAC showed clear signs of increased inflammation. One immune signal called tumor necrosis factor-alpha rose by about 70%, and another called IL-6 also increased when semaglutide and SNAC were given together. At the same time, levels of BDNF — a substance that helps brain cells grow, repair themselves, and stay healthy — dropped by about 85%.

Q: How can gut health be restored after microbiome disruption?
A: Improving gut health begins with rebuilding the microbial environment that produces beneficial compounds such as butyrate. Stabilizing digestion, gradually increasing fiber-rich foods, and including resistant starch sources like cooked-and-cooled potatoes or green bananas help nourish bacteria that support the gut barrier. As the microbiome recovers, metabolic signaling that helps regulate appetite and inflammation becomes more stable.

Test Your Knowledge with Today’s Quiz!
Take today’s quiz to see how much you’ve learned from yesterday’s Mercola.com article.

How much of your body’s total protein is made up of collagen?

10%
20%
30%
Collagen makes up about 30% of total body protein, providing structure to skin, joints, bones, and connective tissues throughout the body. Learn more.
50%

Adequate protein intake is important for optimal health. However, it’s not simply about eating enough protein, you also need to consider the kind of protein. I recommend getting one-third of your overall daily protein intake from collagen-rich sources, as 30% of your body is comprised of this protein. It provides structure for your skin and bones, and it even lines your blood vessels and organs.1

Unfortunately, many people aren’t getting enough collagen from their diet, which has led to the creation of a wide variety of collagen supplements. These products certainly have their place, but not all collagen products are created equal. Choose unwisely, and poor efficacy could be the least of your problems.

The State of Collagen Supplements Today

Unfortunately, many supplement manufacturers have jumped on the collagen bandwagon with an eye on profit rather than true wellness. Here are some of the most common red flags to look out for:

• Lack of transparency in sourcing and processing — Some lower-cost collagen supplements use low-grade raw materials, including hides processed through industrial channels — so-called “tannery grade” hides. Reputable manufacturers use food-grade, traceable sources and disclose how their collagen is processed.
Many high-quality products use hydrolyzed collagen peptides, which are broken down into smaller units for ease of digestion. Other formats, such as properly prepared bone broth collagen, may provide collagen in a whole-food matrix that some individuals prefer. The key is transparency in sourcing and processing.
In my research, I discovered that roughly 1 in 4 leading collagen supplements fail basic quality standards. Some don’t even bother printing the amount of protein or collagen on the label, while others can’t (or won’t) pinpoint where their collagen came from.

• Lack of toxicology testing — Because many collagen products are sourced from conventionally raised animals, they likely contain heavy metals like lead, arsenic, and cadmium that accumulate in bones and hides. Independent tests in 2020 found that 64% of the collagen brands tested had measurable arsenic, 37% contained lead, and 17% had cadmium.2 Third-party labs are available to test for all of these contaminants, but many brands don’t bother getting certified.

• Label protein can be spiked — When companies do test their products, some game the system. A common trick is “nitrogen spiking” — adding cheap amino acids (like glycine or taurine) that artificially boost the protein content reading. Lab tests measure total nitrogen to estimate protein; extra non-collagen aminos can inflate those numbers. The result? Even if a collagen powder’s lab report looks compliant, you might be ingesting fillers instead of functional collagen peptides.
If a product advertises a certain amount of collagen but doesn’t list any protein on the nutrition label, the true collagen content may be negligible. Mislabeling like this means you could be paying for collagen you’re not actually getting.

• Marine collagen is often a mystery mix — Some marine collagen products fail to disclose the fish species or sourcing method. High-quality marine collagen should clearly identify the species and origin of the fish used. If a label only says “marine collagen” but won’t name the species or source, consider that a red flag.

• Beware the add-ins — Finally, beware of collagen products jazzed up with flavors, sweeteners, and trendy add-ins instead of focusing on quality. I’ve seen collagen powders with artificial flavors and dyes to make them more appealing or marketed as “keto collagen coffee creamer” with lots of fillers. Branding and added ingredients should not distract from what matters most: a clean, well-sourced collagen product with transparent labeling and quality testing.

An Overview of Popular Collagen Supplements

The table below is a summary of our review of some of the most popular collagen supplements sold on Amazon for quick comparison.

Product
Peptide type
Collagen per serving
3rd-party tested?
Red flags/additional comments

Alaya Multi Collagen
Multi (bovine, marine, chicken, eggshell)
8.6 g (per scoop)
No
Lack of testing. But company indicates that product is made from grass fed, wild-caught, and hormone-free sources3

Ancient Nutrition Multi Collagen Protein*
Multi (bovine, chicken, fish, eggshell)
10 g
Yes4
Lacks specific testing dates; certificates of analysis are provided as “typical for all lots” only5,6,7

Anthony’s Collagen Peptide Powder
Bovine (Type I/III from bovine)
11 g
No8
n/a

Bulletproof Collagen Peptides
Bovine (grass fed)
20 g
No9
n/a

ForestLeaf Advanced Collagen
Bovine (hydrolyzed and grass fed)10
1 g (2 capsules)
No
Very low dose

Garden of Life Collagen Peptides
Bovine (grass fed pasture-raised)
20 g
Yes11
Contains additional probiotics

Great Lakes Wellness Collagen
Bovine (grass fed pasture-raised)
20 g
Yes12
Testing confirmed by IGEN

Live Conscious Collagen Peptides*
Bovine (pasture-raised)
15 g
Yes
Third-party tested but not specified13

Microingredients Multi Collagen
Multi (bovine, fish, poultry, eggshell)
~10.88 g
Yes
Third-party tested but not specified14

NativePath Collagen Peptides
Bovine (grass fed)
10 g
Yes
Met label claim; no major red flags besides lack of specific third-party certification15

Nature Made Collagen Gummies
Unknown (likely bovine or porcine)
100 mg (0.1 g)
No
Collagen content not disclosed as protein; extremely low dose16

Nature Target Multi Collagen Peptides
Multi (bovine, marine, poultry, and eggshell)
10 g
Yes
Source not disclosed; third-party tested but not verified17

Orgain Collagen Peptides
Bovine (grass fed)
18 g
No
No third-party certification, only internal testing18

Physician’s Choice Collagen*
Bovine (grass fed) plus digestive enzymes and probiotic blend
7 g
Yes
Moderate dose; instructions say to take it two to three times a day to achieve ideal daily intake. Third-party tested but not specified or shared19

Primal Harvest Primal Collagen
Bovine (grass fed)
10 g
No
No source transparency beyond “grass fed.” No other certifications20

Sports Research Collagen Peptides
Bovine
11 g
Yes (Certified NSF Gluten-Free)21
Company does extensive quality testing. Results can be viewed via their website22

Vitauthority Multi Collagen Burn
Multi (bovine, marine, poultry, and eggshell)
7.8 g
No
“Burn” marketing gimmick, which is their weight-loss blend23

Vital Proteins Collagen Peptides
Bovine (grass fed)
20 g
Yes (NSF Certified for Sport)24
Top quality product; no notable red flags

Vital Proteins Collagen Advanced
Bovine + hyaluronic acid, vitamin C
20 g
No
Contains added nutrients; no major red flags except no testing certifications25

Vital Proteins Marine Collagen
Marine (wild-caught cod)
12 g
No
Testing is done internally only26

Vital Vitamins Multi Collagen Complex
Multi (bovine, poultry, marine, and eggshell)
1.6 g (capsules)
Yes
Collagen amount not disclosed as protein; very low dose per serving; uses “proprietary blend.” Third-party tested but not specified27

Wholesome Wellness Multi Collagen
Multi (bovine, marine, chicken, eggshell)
7.83 g
Yes
Third-party tested but not specified28

Youtheory Collagen (Advanced Type 1, 2 and 3)
Not specified, but likely bovine
6 g
No
Protein not listed on label (collagen assumed ~5 to 6 g); contains added vitamin C; no third-party testing29

*Right of Reply: Companies with red flag concerns were contacted for comment; received responses can be found at the bottom of this article.

How to Choose a High-Quality Collagen Supplement

The good news is that there are safe, effective collagen supplements out there — you just have to know what to look for. Research shows that humans taking 2.5 to 10 grams of high-purity hydrolyzed collagen daily yield real benefits for skin,30 joint pain,31 and nails.32 To actually reap those rewards, you’ll want a high-quality product that contains what it says and is free of unwanted extras. Here are my recommendations:

• Check for third-party certification of purity — Seals from organizations like National Sanitation Foundation (NSF), U.S. Pharmacopeia (USP), or Informed Sport provide a layer of assurance. Other brands may use independent third-party laboratories and provide certificates of analysis upon request. The important factor is verifiable quality testing.
• Analyze the ingredients — Look for a simple, transparent ingredient list. You want to see the source explicitly named. Avoid products that hide the collagen amount in a “proprietary blend.” If the label doesn’t reveal exactly how much collagen you get per serving (in grams) or doesn’t identify the collagen source, put it back on the shelf.
High-quality collagen will often specify the trademarked ingredient if it uses one — for instance, VERISOL® bovine peptides for skin health, or Peptan® collagen. These branded collagen peptides usually have clinical studies behind them, which is a good sign.
• Verify the source — As noted, know where your collagen comes from — both the animal and how it was raised. High-quality collagen is typically derived from grass fed, pasture-raised cattle, wild-caught fish, or pastured chickens.
Marine collagen should tell you what fish is used and, ideally, be sustainably sourced. Bovine collagen should ideally be grass fed and hormone-free. The source informs the collagen type. Bovine and fish mainly provide Type I (and III for bovine), which are great for skin, hair, nails, and bones, whereas chicken provides Type II, more targeted to joint cartilage. Some “multi-collagen” blends include all types, but again, only trust those that are upfront about ingredients.
• Spot marketing red flags — Don’t fall for over-the-top claims like “age-defying,” “miracle cure for wrinkles,” or “instant joint repair.” Also, be cautious of gimmicky combos such as collagen infused with weight-loss blends, or collagen coffee with a laundry list of additives. These trends are usually about riding multiple fads at once. You’re better off with pure collagen and taking other supplements separately if needed.

How to Boost Your Collagen Intake Naturally

While a good supplement can help, I’m a big proponent of food first. You can boost your collagen intake through diet, and this approach offers a broader range of nutrients that work together for body-wide benefits.

I recommend planning your protein intake so that about 15% of your daily calories come from protein, and about one-third of that protein is collagen. Again, roughly 30% of your body’s protein is collagen, so it makes sense to proportionally include these collagen-building amino acids in your diet. Here are four ways to do it:

1. Make your own bone broth — Take the time to learn how to simmer high-quality bone broth at home. It’s one of the best natural sources of collagen — when you slowly cook bones, tendons, and ligaments, the collagen breaks down into gelatin that enriches the broth. I recommend using bones from grass fed beef, pastured poultry, or wild-caught fish. Throw in vegetables and herbs for additional minerals and dietary fiber (plus flavor!).
2. Eat collagen-rich cuts — Don’t shy away from cuts of meat that naturally contain a lot of connective tissue. Beef shanks, oxtail, osso buco, and pork knuckles are loaded with collagen that releases during cooking. These “odd bits” are often cheaper and, when cooked low and slow, they yield tender, flavorful meals and gelatin-rich sauces.
If those are too adventurous for your palate, even choosing bone-in, skin-on chicken thighs is a good way to get extra collagen, provided you eat the skin and gnaw on the bones. The skin and connective tissue around the joints are rich in collagen. Slow-cooker stews, braised meats, and soups made with these cuts will also boost your collagen intake significantly.
3. Consume organ meats — Organ meats like liver and heart contain connective tissue and collagen, not to mention a wealth of micronutrients. Organ meat may not be everyone’s favorite, but when prepared well, they can be delicious and incredibly nourishing. Always source organ meats from clean, pasture-raised animals to minimize toxin exposure.
4. Leave the skin on your fish — If you enjoy seafood, here’s a simple hack — when you cook salmon, trout, or cod, eat the skin. The skin of fish (especially wild-caught fatty fish) is rich in Type I collagen. Crispy salmon skin can be a real treat when cooked right.
Similarly, if you make fish soup or stew, include fish heads or skin in the broth. They’ll dissolve down to add collagen (and great body) to your dish. Just be sure your fish is from unpolluted waters to avoid heavy metals. Smaller wild fish like sardines are a safe bet, and you can eat them whole, bones and skin included, for collagen and calcium.

Red Meat Doesn’t Contain Much Collagen

You might be wondering why I keep recommending unusual cuts and organs to boost collagen, instead of the standard steak or chicken breast. The answer is simple — regular muscle meat (the red meat and white meat we commonly eat) doesn’t have much connective tissue and thus is not a significant collagen source. You could eat plenty of beef or pork muscle and get lots of protein, but almost none of it would be collagen.

Eating enough muscle meat will meet your general protein needs, but it won’t specifically support collagen-rich tissues. In fact, it’s important not to confuse muscle protein with collagen — they serve different roles and have very different amino acid profiles. Collagen is extraordinarily high in glycine, proline, and hydroxyproline (amino acids that have anti-inflammatory and tissue-repair functions), whereas muscle meats are higher in amino acids like methionine and cysteine, which, in excess, can be pro-inflammatory.

The table above provides an overview of my argument — when comparing amino acid content, red meat contains very little glycine and proline (I highlight those as “good for you” in green), while collagen is mostly glycine and proline. Meanwhile, red meat is rich in tryptophan and cysteine (marked in red as they can promote inflammation if unbalanced), whereas collagen has virtually none.

In other words, simply eating a lot of steak won’t give your body the collagen it needs for strong connective tissues, supple skin, or strong bones.33 In fact, too much muscle meat without balancing collagen-rich foods might even skew your amino acid intake toward a more inflammatory profile.

The great thing about collagen (and its cooked form, gelatin) is that it’s extraordinarily low in those pro-inflammatory amino acids. This is one reason I personally aim to have about one-third of my daily protein come from collagen or gelatin sources.

Since embracing this balance — for example, I cut my egg and muscle meat intake in half and replaced that portion with collagen/gelatin — I’ve noticed improvements in joint comfort and recovery. This concept was inspired in part by the late Dr. Ray Peat, who emphasized the importance of balancing muscle meats with gelatin to support overall health.

Company Responses

• Ancient Nutrition — Thank you so much for reaching out and for the opportunity to provide additional information for your upcoming article. To address your note regarding testing transparency — we’re happy to share documentation confirming our third-party testing practices. Please find our Certificates of Analysis at the links below:

◦Multi Collagen Protein Powder
◦Multi Collagen Capsules

Additionally, lot numbers are printed on the bottom of each container (in white or yellow ink), alongside the product’s expiration date.

• Physician’s Choice — Thanks for reaching out! Our grass fed bovine collagen delivers 7 grams of high-quality collagen per serving. In regards to the moderate dose, our updated packaging recommends using the product up to 2 to 3 times daily, allowing users to easily achieve an ideal daily intake to support optimal benefits.

We’ve formulated this product with a proprietary blend of digestive enzymes and probiotics designed to support nutrient absorption and promote overall digestive well-being.

To ensure safety, purity, and potency, all of our products undergo third-party testing at cGMP-compliant laboratories that are ISO/IEC 17025 accredited. This internationally recognized standard confirms that the testing facilities operate with proven technical competence and use validated analytical, chemical, and microbiological methods to deliver consistent, reliable results.

• Live Conscious — Thank you for reaching out to Live Conscious. We appreciate your interest in our collagen product and the detailed review process you’re undertaking at Mercola.com.

I understand the importance of transparency when evaluating product quality. Our collagen product undergoes rigorous manufacturing and testing in facilities that are cGMP-compliant, meeting U.S. federal safety regulations. Due to confidentiality agreements with our manufacturing and testing partners, we’re unable to disclose the name of the third-party testing organization or provide supporting documentation.

We remain committed to complying with quality standards and ensuring our products meet all regulatory requirements, and we hope this reassures you about our dedication to product integrity.

Frequently Asked Questions (FAQs) About Collagen Supplements

Q: Why is collagen important for health?
A: Collagen makes up about 30% of your body’s total protein. It provides structural support for your skin, bones, tendons, ligaments, and the lining of blood vessels and organs. In essence, collagen is the “glue” that holds our tissues together. Getting enough collagen (and the amino acids within it) supports the integrity of connective tissues, helping keep skin elastic, joints resilient, bones strong, and arteries flexible.

Q: Why should I be cautious about collagen supplements?
A: Not all collagen supplements are created equal. Many are sourced from questionable materials like tannery-grade hides (industrial leather scraps) processed with harsh chemicals. Others contain fillers, heavy metals, or have much less actual collagen than the label claims. Quality varies widely across the collagen industry, making careful label review essential.

Q: How can I choose a trustworthy collagen supplement?
A: Look for supplements that explicitly state their collagen source and clearly describe the collagen form — whether hydrolyzed peptides or whole-food bone broth collagen. The label should list collagen content per serving in grams. Choose products that have been certified by an independent lab such as NSF or USP, which ensures it meets purity and content claims.
Avoid vague “proprietary blends” that don’t tell you how much collagen you’re getting. Also, be wary of products making miraculous claims or using lots of additives. Reputable brands tend to be transparent and focus on clinically backed dosages.

Q: Can I naturally boost my collagen without supplements?
A: Absolutely. Collagen-rich foods are readily available. Consuming homemade bone broth is a fantastic way to get collagen (from the simmered bones and connective tissue). Eating meat with the skin and connective tissue (like chicken thighs with skin, or slow-cooked tough cuts full of cartilage) will give you plenty of collagen.
Organ meats and dishes made with gelatin (like natural fruit gelatin desserts or aspic) also contribute collagen. And don’t forget fish skin — crispy salmon skin and fish head soup are time-honored collagen sources. Aim to get a variety of these in your diet. I recommend that about one-third of your total protein intake be collagenous protein.

Q: Why isn’t red meat sufficient for collagen?
A: Regular red meat (muscle meat) contains very little of the key amino acids needed to produce collagen. It’s great for other proteins like hemoglobin and muscle fiber, but it won’t replenish collagen stores. The primary amino acids in collagen — glycine, proline, and hydroxyproline — are only minimally present in lean muscle cuts.
Additionally, collagen’s amino acids have special benefits. For example, glycine and proline are known to have anti-inflammatory properties. Many amino acids abundant in muscle meat (like methionine) can actually promote inflammation if not balanced with collagen’s glycine. Thus, relying solely on steaks and chicken breasts won’t support your skin, joints, and bones the way collagen-rich foods will. Balance is key.

Test Your Knowledge with Today’s Quiz!
Take today’s quiz to see how much you’ve learned from yesterday’s Mercola.com article.

Which fruits are most strongly linked to sustained happiness?

Strawberries, blueberries, apples, oranges, and grapefruit
Strawberries, blueberries, apples, oranges, and grapefruit were linked to up to 16% higher optimism and about 8% improvement in sustained happiness. Learn more.
Bananas, mangoes, apples, grapes, and pineapples
Watermelon, papaya, oranges, berries, and melons
Grapes, cherries, peaches, plums, and nectarines

Editor’s Note: This article is a reprint. It was originally published September 15, 2024.

I had the privilege of speaking at the Ron Paul Institute, addressing a room full of courageous individuals who are standing up for truth and freedom in these challenging times. It was an honor to share my insights and passion for health with such an engaged audience.

You can listen to my speech in its entirety above, as I share the culmination of my decades of research into the true causes of disease and premature death, along with groundbreaking insights that can transform your health and longevity.

The Courage to Stand Up for Truth

I began by acknowledging the bravery of those in attendance. As an example, I highlighted Mike, the event’s recording technician, who lost his job for refusing to take the COVID jab. This kind of courage is exactly what we need more of in society today.

For over 50 years, I’ve been passionately pursuing the truth about health and technology. This journey has led me to write 18 bestselling books and build one of the world’s largest natural health websites. However, my work has also made me a target of the mainstream media and medical establishment.

As I shared with the audience, the biggest honor I ever achieved in my life was being named the No. 1 source of misinformation during the COVID-19 pandemic. While said somewhat tongue-in-cheek, this “honor” underscores how threatening truthful information is to those controlling the narrative.

The Corruption of Modern Medicine

Let me be clear: modern medicine has been hijacked. It’s controlled primarily by pharmaceutical companies and has been thoroughly corrupted, tracing back to the influence of John D. Rockefeller. Medical schools teach doctors to follow rigid protocols focused on diagnosing conditions and prescribing medications or surgical interventions, without addressing the true, foundational causes of disease.

Society is now so reliant on pharmaceuticals that 6.3 billion prescriptions are filled every year in the U.S. That’s 17 prescriptions per year for every American.1 These pharmaceuticals are not improving public health, however. Despite spending $4.5 trillion annually on health care,2 the U.S. has some of the worst health outcomes among developed nations.

The Unified Theory of Cellular Health

The core of my speech focused on what I call the unified theory of health. This theory, which I’ve developed over decades and detail in my book “Your Guide to Cellular Health,” explains why people get sick and die prematurely.

The fundamental issue is that your cells are not producing enough energy. This energy, in the form of ATP (adenosine triphosphate), is critical for every function in your body. Without energy, your cells can’t repair and regenerate themselves.

Our bodies produce energy through a fascinating process that starts with the sun. The sun’s energy is converted into chemical bonds in our food, which we then break down and transport to our cells. Inside our cells, we have these incredible structures called mitochondria — they’re like tiny power plants.

These mitochondria produce ATP, which is basically the energy currency of our bodies. To give a sense of scale, a healthy person produces about 200 million quadrillion ATP molecules per second — that’s a two followed by 21 zeros. If you were to weigh all the ATP molecules you produce in a day, it would be roughly equivalent to your body weight. However, that’s if you’re healthy. In reality, most people are only making half their body weight in ATP daily.

The 3 Major Threats to Cellular Energy

So why aren’t we producing enough energy? There are three primary factors decimating our cellular energy production:

1. Seed oils (vegetable oils) — I cannot overstate the damage caused by the consumption of processed seed oils, which are ubiquitous in the modern diet. These oils, high in linoleic acid, wreak havoc on your mitochondria. I even called out the catering at the event itself, noting that nearly everything served was damaging to mitochondrial health — including alcohol, which is a mitochondrial poison.

2. Plastics — The proliferation of plastics in our environment is another major threat. I shared a startling projection. By 2060, it’s anticipated that we will be producing 1.3 billion tons of plastic annually.3

These plastics last for hundreds of years and are incredibly dangerous because they disrupt our hormonal systems, particularly by activating estrogen receptors. This leads to mitochondrial dysfunction and contributes to cancer, heart disease, diabetes, Alzheimer’s, obesity, and other chronic diseases.

3. Electromagnetic fields (EMFs) — The rapid increase in EMF exposure from wireless technologies is the third major threat to your cellular health. EMFs, like seed oils and plastics, increase calcium ion concentrations within your cells, leading to the production of damaging free radicals.

The Gut-Mitochondria Connection

Another critical piece of the health puzzle is the relationship between mitochondrial function and gut health. When mitochondria are damaged, they can’t properly remove oxygen from your intestines. This allows harmful bacteria to flourish, producing endotoxins that further damage your health.

A thriving intestinal ecosystem encompasses a wide range of microorganisms that collaborate to safeguard your health. Cultivating beneficial oxygen-intolerant bacteria, including key species such as Akkermansia, enhances your gut’s defense mechanisms and creates an environment conducive to overall well-being.

These advantageous bacteria break down dietary fibers to generate short-chain fatty acids (SCFAs), particularly butyrate. Butyrate serves as nourishment for your colon’s epithelial cells, fortifying the intestinal barrier. SCFAs also encourage mucin production, establishing a protective layer against harmful bacteria.

A decrease in oxygen-intolerant bacteria results in heightened intestinal permeability, commonly known as leaky gut. This condition allows toxins, partially digested food particles, and harmful microbes to penetrate your bloodstream, initiating systemic inflammation and long-term health complications.

Oxygen-intolerant bacteria play a crucial role in transforming indigestible plant fibers into beneficial fats. They flourish in an oxygen-free environment, which necessitates sufficient cellular energy to maintain. However, the factors mentioned above — seed oil consumption, exposure to endocrine-disrupting chemicals (EDCs) found in plastics and EMFs — hinder this energy production, making it challenging to sustain the ideal oxygen-free gut environment.

Further, in my opinion, a primary cause of death is endotoxemia leading to septic shock. This occurs when endotoxin is secreted by facultative anaerobes, also referred to as oxygen-tolerant bacteria, which should not be present in your gut.

These pathogenic bacteria produce a highly potent form of endotoxin, or lipopolysaccharide (LPS), which triggers inflammation if it crosses your compromised gut barrier into systemic circulation. Consequently, leaky gut or an imbalanced microbiome is one of the fundamental causes underlying all diseases.

The Path Forward — We Will Win

Despite the grim picture painted by these health threats, we will ultimately prevail in this battle for health freedom and truth. Regarding the censorship and suppression I and many others have faced from tech giants like Google, their power is waning. In a lawsuit, the U.S. Department of Justice declared Google a monopoly,4 and there’s going to be an avalanche of additional lawsuits against them.

This creates an opportunity for new, more ethical technologies to emerge. I’m at the forefront of developing AI tools that will revolutionize how we access and interact with health information.

This system will leverage cutting-edge technology to make personalized, evidence-based health guidance accessible to billions of people around the world. I’m particularly excited about the AI-powered system we’re developing that will allow individuals to engage in real-time, personalized conversations about their health, drawing from the vast body of scientific literature.

This technology has the potential to revolutionize not just health care, but education as a whole. It’s a one-to-one, individualized approach that will transform how we learn and understand complex information. I want to emphasize how crucial it is for you to take control of your own health. This starts with understanding what you’re putting into your body, particularly through diet.

A Movement for True Health

My speech at the Ron Paul Institute was an opportunity to share the culmination of my life’s work in health and technology. The enthusiasm and engagement from the audience reinforced my belief that we are on the cusp of a health revolution.

By understanding the true causes of disease — particularly the threats to our cellular energy production — and leveraging new technologies to spread this knowledge, we can create a world where vibrant health is the norm, not the exception.

I left the event more motivated than ever to continue this fight for health freedom and truth. Together, we can and will transform the landscape of health and medicine, empowering individuals to take control of their well-being and live life to its fullest potential.

Our goals are ambitious. We’re not just talking about health care — we’re talking about replacing plastics with biodegradable alternatives, destroying industrial agriculture and completely transforming our food system. Because at the end of the day, food is medicine. Remember, knowledge is power, but only when it’s applied.

Take what you’ve learned here, dive deeper into the resources I’ve mentioned and start taking control of your health today. Also, I recommend reading my book “Your Guide to Cellular Health.” Together, we can create a healthier, more vibrant world — one person, one cell, one mitochondrion at a time.

The Revolutionary Path to Healing and Longevity

“Your Guide to Cellular Health: Unlocking the Science of Longevity and Joy” is not just a manual — it’s your passport to a revolution in personal wellness. This comprehensive guide will empower you with life-changing knowledge to help unlock your body’s innate healing abilities and achieve lasting vitality. This isn’t about quick fixes or temporary solutions. It’s about fundamentally transforming your health at its very foundation — your cells.

One of the many paradigm-shifting concepts that I explored in-depth throughout the book is a revolutionary approach to carbohydrate consumption that may challenge your preconceptions. In the following section, I’ll give you a glimpse of this groundbreaking content.

Keep in mind that this represents only a fraction of the innovative strategies and insights waiting for you in the full text. Let this serve as a tantalizing preview of the transformative knowledge you’ll learn in this book.

Carbs Made Simple — A Color-Coded System to Guide Your Gut Health Journey

The method that I discuss in my book ranks carbohydrates based on their impact on your biology, specifically in relation to your gut health. This approach recognizes that the traditional complex vs. simple carb dichotomy likely does not tell the whole story when it comes to individual health outcomes.

Instead, it suggests that the relationship between your gut health and carbohydrate metabolism could be key to unlocking improved overall wellness. It’s not about following a one-size-fits-all diet, but rather about understanding how your unique gut biology interacts with different types of carbohydrates.

Surprisingly, for many people, this approach favors simple carbs over complex ones. This is because they usually have less-than-optimal gut health. If you have a compromised gut system and you consume complex carbs, the fiber and prebiotics in these carbs can feed oxygen-tolerant gut bacteria and worsen your symptoms.

The following chart breaks down several types of carbohydrate sources and how they fit into this plan. We can categorize them into three groups: green, yellow, and red.

In the green category are the most easily digestible simple carbs that provide quick energy without overtaxing your compromised digestive system. You will focus on these carbs initially, because simple carbs provide a quick energy boost for your cells and mitochondria. It’s like giving your body’s energy factories an immediate fuel injection, while allowing your gut to rest and heal at the same time.

Next is the yellow category, which includes carbs that offer more nutrients and fiber compared to the green category, yet are still relatively easy on the digestive system. Finally the red category, the most complex carbs, offers many health benefits but can be challenging for a compromised gut to handle.

So how can you begin implementing this approach? If you have severely compromised gut health, start with pure sugar water. This is a temporary measure to jumpstart the healing process. Mix one-half pound, up to a full pound, of pure dextrose (glucose) into a half gallon of water and sip it slowly all day. Don’t drink more than an ounce at a time to avoid spiking your insulin.

Once your gut health has improved, you can switch your primary carb source to whole foods. More than likely, you’ll also need to eat more frequently than you’re used to during this transition to avoid hypoglycemia. Eating every three to four hours, with snacks throughout the day, is crucial when relying on simple carbs for energy.

As your mitochondrial energy production continues to improve and your gut starts to heal, you will begin the transition back to complex carbs. This is a slow and steady process — don’t rush it.

Once you’re able to include more complex carbohydrates in your diet, you’ll start to notice significant benefits. You’ll be able to extend the time between meals to between four and six hours, and many people find they can comfortably switch to a three-meals-a-day approach. This is because complex carbs digest more slowly, providing a steady stream of energy.

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Editor’s Note: This article is a reprint. It was originally published March 9, 2025.

For decades, the conventional advice for optimal bone health has been to take calcium supplements — but the fact is that without the right co-factors, like vitamin K2, this nutrient doesn’t end up strengthening bones, and could cause damage instead.

Vitamin K2 ensures that calcium binds to bone where it belongs. Without sufficient amounts of K2, calcium builds up in places where it shouldn’t — like your arteries — while leaving your bones weak and brittle. This is why people with low vitamin K2 levels often develop both osteoporosis and hardened arteries, a paradox that drastically increases their risk of fractures and heart disease.

Vitamin K2 Strengthens Bones and Protects Against Fractures

A review published in Nutrients examined the role of vitamin K2 in bone health, specifically its impact on bone mineral density (BMD) and fracture risk in adults. The researchers focused on how K2 influences calcium utilization in the body, ensuring that this essential mineral strengthens bones rather than accumulating in arteries.1

• Vitamin K2 strengthens skeletal function — The study analyzed a population of older adults, who are particularly vulnerable to bone loss and fractures. They found that participants who regularly consumed vitamin K2, whether through diet or supplementation, exhibited stronger bones and a lower risk of fractures compared to those with lower intake levels.

The researchers noted that K2 supplementation was especially beneficial for postmenopausal women, who are at the highest risk for osteoporosis-related fractures.

• Bone mineral density is higher — One of the most striking findings was the measurable increase in BMD among those supplementing with K2. Bone density improved significantly within months, reducing the likelihood of fractures over time. Individuals with low K2 intake had signs of weakened bone structure, making them more susceptible to breaks from minor falls or injuries.

• Risk of fractures is reduced — The study also looked at fracture rates over time. Participants with higher K2 intake had fewer fractures, particularly in the hip and spine, two of the most vulnerable areas in aging individuals.

The difference was significant — those with insufficient K2 intake experienced nearly twice as many fractures as those who maintained adequate levels. This suggests that K2 not only improves bone density but also enhances bone strength and resilience.

• Vitamin K2 directs calcium — The biological mechanism behind these findings is straightforward but powerful. Vitamin K2 activates key proteins — osteocalcin and matrix Gla protein (MGP) — which direct calcium where it is needed and prevent it from accumulating where it shouldn’t.

Osteocalcin ensures calcium binds to the bone matrix, while MGP prevents calcium deposits from forming in arteries. Without sufficient K2, these proteins remain inactive, leading to both weakened bones and arterial calcification.

• Vitamin D interplays with vitamin K2 — To summarize, the researchers said, “[W]e find that an adequate supply of vitamin K, on top of an optimal vitamin D status, seems to add to the benefit of maintaining bone health. More research related to synergism and the possible mechanisms of vitamins D3 and K interaction in bone health is needed.”2

Concerns and Challenges Regarding Vitamin K2 Absorption

However, there are significant challenges when it comes to optimizing vitamin K2. For example, testing isn’t widely available, as most doctors do not consider it part of routine health screenings. There are also individual factors that affect your ability to utilize K2, one of which is your genetics.

• The journey to testing vitamin K2 — In the video above, Nadir Shah, a licensed structural engineer and educational consultant who runs the YouTube channel “Knowledge for Quality of Life,” shares his personal health journey and how he discovered that your genetic makeup influences the amount of vitamin K2 you absorb.

His research began back in 2021, when he and his wife (who has osteopenia, or bone density loss) became curious if they are meeting the optimal levels of nutrients — particularly for vitamin K2.3

• Vitamin K2 testing is challenging — According to Shah, “There is no such test that which can test all the micronutrients and all the vitamins, all the minerals, because I’ve been hunting those tests, basically in the insurance literature, health insurance, which I’m covered with, and there’s none basically.

We’ve been taking vitamin K2 along with vitamin D, which I have mentioned in my previous vlogs. We’ve been taking 100 micrograms, myself and my wife, both. We’ve been taking the same dosage. But there is no test for vitamin K2,” Shah explained.4

After an extensive search, Shah was able to find two labs that offered testing for K2 — Genova Diagnostic and Vibrant Labs of America. However, there is no separate K2 test; it’s actually part of a micronutrient panel test that costs nearly $400. What’s more, the test needs to be prescribed by a physician.5

• Finding a solution — According to Shah, he found an integrative medicine doctor in Phoenix, Arizona who recommend Vibrant Labs of America for micronutrient panel testing. After this encounter, his family got their results after four to six weeks.

• The importance of getting tested — Shah noted that, “[T]he eye-opening thing for me in that test … was the vitamin K2 level. I came OK in vitamin K2, but my wife was a bit short. She was OK at the serum level, when I say serum level means it’s the blood level, but at the blood cells at the cellular level, she falls short. And that was an alarming point for me …”

As Shah and his wife were taking the same dose, he then sought answers as to why there was such a significant difference in their levels. Her cellular levels of this nutrient were not reaching the optimal amount, which means it’s not activating the vitamin K-dependent proteins, matrix Gla protein and osteocalcin. It took him months, but he eventually found the answer in a research paper.6

The Role of ApoE Genotype in Vitamin K2 Absorption

Your apolipoprotein E (ApoE) genotype is one of the key genetic markers involved in processing vitamin K2. This gene influences how your body processes fats and vitamins, including vitamin K2. There are different variations of the ApoE gene, and depending on which one you inherit, your body may either clear vitamin K2 quickly or retain it for a longer time. In Shah’s case, he and his wife have different ApoE genotypes.7

• The differences in genotypes — According to Shah, “There are genotypes which we have inherited from mom and dad. There are basically three copies: 2, 3, and 4. Then there is a combo 2/3, 3/3, 3/4, and 4/4. So, there’s a combination of six altogether. These are called ApoE genotype alleles.”

• Genotypes determine vitamin K2 clearing — Shah continues, “I found out in that paper that people who are ApoE 2/2, they clear vitamin K2 very slow; particularly, their clearance rate is very slow. Now, 3/3 are typically neither slow nor fast, but 3/4 and 4/4 people — people who carry ApoE one copy of 4 or double copy of 4 — they clear their vitamin K2 from the body pretty fast.

It means that the dosage which I’ve been taking, 100 micrograms … was okay because I’m 3/3. We got both tested after that and that was like a light bulb went on,” Shah says.8

Many people do not know their ApoE genotype because it is not a standard diagnostic test. However, getting tested provides valuable insights into how your body processes vitamin K2 and other nutrients. After learning this information, Shah increased his wife’s K2 dose, and since then they have seen noticeable results.

• The impact of increasing vitamin K2 intake — Shah recalls their story, “Since 2021, we did another DEXA scan. Her osteopenia stopped progressing at two locations. That’s a good sign. Very good sign. Because if … the T-score doesn’t go in the negative further, it means that it has stopped. It means that she is getting enough K2 …”

• Boosting your vitamin K2 intake has no side effects — According to Shah, his wife is “eating natto as well. She is in the range of probably 800, 900 micrograms — eight- or ninefold than what she was taking before. And I am the same way. I increased even though I was okay, but I increased because there is no, we don’t feel any side effect, nothing whatsoever.”9

He adds that understanding your ApoE genotype is also useful for other aspects of your health. Certain variations are linked to a higher risk of Alzheimer’s disease, cardiovascular issues, and how your body handles cholesterol. Knowing this information will help you make better choices about your diet, supplements, and overall lifestyle.

The Type of Vitamin K2 You Take Matters

Shah also mentions that the form of vitamin K2 affects how efficiently you absorb it. The most common forms are menaquinone-4 (MK-4) and menaquinone-7 (MK-7).

• The difference between MK-4 and MK-7 — Shah explains, “MK-4’s half-life is only four hours and MK-7’s half-life is 72 hours. It stays in the system in the body longer … So, it means that MK-7 is not good for people who are ApoE genotype 2/2, because I’ve been seeing a lot of people when they take K2 MK-7, they feel palpitation.

What happens is that, based on the literature, if they take [it] on daily basis, the body is not clearing because it’s clearing slow, it’s going to back up and then it’s going to give you a side effect.”

• Your genotype dictates which form of vitamin K is better — From Shah’s findings, he noted that “People who are ApoE genotype 2/2, based on the literature, they are better off with MK-4 because it clears fast. Now, if you are 2/2 — the only way we are going to know what type of ApoE genotype we carry is we need to get tested, and it’s a once in a lifetime test.”10

• Top sources of MK-4 — MK-4 is a short-chain form of vitamin K2 found in animal products such as meat, eggs, liver, and dairy.11,12 However, it has a short biological half-life, which makes it a poor candidate as a dietary supplement. However, MK-4 from food is important for good health as it plays a role in gene expression. For example, research has found it helps lower your risk of liver cancer.13

• Top sources of MK-7 — Meanwhile, MK-7 is a longer-chained vitamin K2 found in fermented foods such as sauerkraut, certain cheeses, and natto. It’s produced by specific bacteria during the fermentation process. However, not all strains of bacteria make it, so not all fermented foods will provide it.14

How to Make Sure Calcium Goes to the Right Places

If you want strong bones and flexible arteries, getting enough vitamin K2 is non-negotiable. Without it, calcium ends up in all the wrong places — clogging your arteries instead of strengthening your bones. The good news is, you have control over this. By making a few simple adjustments, the calcium you ingest will work for you, not against you.

1. Get enough vitamin K2 from the right sources — Your body needs K2 to activate the proteins that direct calcium into your bones and keep it out of your arteries. The best natural sources are natto, hard cheeses like Gouda, egg yolks, and organ meats.

If you don’t regularly eat these foods, consider a high-quality vitamin K2 supplement. If you opt for an oral K2 supplement, it’s best taken with your evening meal, along with any vitamin D and/or calcium and magnesium you’re taking.

2. Balance your vitamins D3 and K2 intake — If you are supplementing with calcium and vitamin D3 but not vitamin K2, you’re making a huge mistake. Vitamin D3 increases calcium absorption, but, as discussed, you need K2 to prevent that extra calcium from going where it doesn’t belong.

Always make sure that for every 5,000 IUs of vitamin D3 you take, you’re also getting around 180 micrograms (mcg) of vitamin K2. This keeps calcium metabolism in balance and prevents calcification where you don’t want it.

3. Eliminate vegetable oils and processed foods — Too much linoleic acid (LA), found in vegetable oils like soybean, canola, and corn oil, damages your arteries, making them more vulnerable to calcium buildup.

Processed foods are packed with these inflammatory oils, so eliminating them from your diet is one of the best strategies to support your heart and overall health. Instead, cook with saturated fats like grass fed butter, ghee, or tallow, and avoid anything that lists vegetable oil as an ingredient.

4. Get more magnesium to keep calcium in check — Along with vitamin K2, magnesium is another key to proper calcium regulation. It helps prevent calcium from accumulating in soft tissues. If you’re not getting enough magnesium, your body struggles to properly use both vitamins K2 and D3.

The easiest way to find your ideal magnesium dose is by using magnesium citrate — slowly increasing the amount until you notice loose stools, then backing off slightly. Once you know your threshold, you can switch to other forms of magnesium, such as magnesium threonate (which doesn’t cause loose stools), for better brain and bone benefits.

If you’re eating a balanced diet with dairy, leafy greens, and bone broth, you probably don’t need extra calcium. Instead, focus on getting the right co-factors mentioned above, and let your body handle the rest naturally.

Frequently Asked Questions on Vitamin K2 and Bone Health

Q: Why is vitamin K2 important for bone health?

A: Vitamin K2 plays a crucial role in directing calcium to the bones, where it strengthens bone mineral density (BMD) and reduces fracture risk. Without sufficient K2, calcium accumulates in arteries instead, increasing the risk of both osteoporosis and cardiovascular disease.

Q: How does vitamin K2 impact bone density and fracture risk?

A: Studies show that vitamin K2 supplementation improves BMD and significantly reduces fractures, especially in older adults and postmenopausal women. It activates osteocalcin and matrix Gla protein (MGP), which ensure calcium binds to bones rather than accumulating in arteries.

Q: What factors affect vitamin K2 absorption in the body?

A: Genetics, specifically the ApoE genotype, influence how quickly your body clears vitamin K2. Individuals with ApoE 3/4 or 4/4 genotypes clear K2 faster and will need higher doses, while those with ApoE 2/2 clear it slowly and are better suited to the MK-4 form of vitamin K2.

Q: What are the best sources of vitamin K2?

A: Natural sources of vitamin K2 include fermented foods like natto, cheese made from grass fed dairy, egg yolks, and organ meats. For supplementation, MK-4 has a shorter half-life and is better suited for fast K2 metabolizers, while MK-7 remains in the body longer and is preferable for slower metabolizers.

Q: How can I ensure calcium is used properly in my body?

A: To direct calcium to bones and prevent arterial calcification, maintain a balance of vitamins K2, D3, and magnesium. Aim for 180 mcg of vitamin K2 for every 5,000 IUs of D3. Also, avoid processed foods and vegetable oils, which contribute to arterial damage and improper calcium distribution.

A New Series of Health Insights Is on the Way

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A New Series of Health Insights Is on the Way
Our team has been working behind the scenes to prepare new research and practical health strategies for our readers. While we finish preparing what’s coming next, we invite you to explore one of the most-read articles from our library below. See exactly what’s changing →

Have you ever wondered why humans have nails in their fingers and toes in the first place? While they are small, they are one of the most important traits in the human body. For example, fingernails protect the ends of your fingers and provide tactile feedback1 for regular human activities, such as pushing a button or playing an instrument.

In the case of your feet, toenails help with proprioception, which is your body’s ability to sense movement and spatial recognition.2 Now, when an ingrown toenail develops in any one of the toes, your proprioception is thrown out of balance, affecting your quality of life.

Why Ingrown Toenails Develop

According to the Cleveland Clinic, ingrown toenails are common among Americans. It’s estimated that every two out of 10 people visit a doctor for this very problem, and there are several reasons why this happens.3

• Improperly nail-cutting technique — For example, when the toenail is cut too short or rounded, it will eventually embed into the flesh.

• Tight footwear — Certain shoes, such as high heels, or any shoe that’s too tight for you, will eventually affect the shape of your nail.4

• Physical trauma — Getting stepped on or stubbing your toe increases the likelihood of ingrown toenails.

• Physical imbalances — Sometimes, the way your body grows affects your risk, like when the toenail is larger than your toe.

When a toenail becomes ingrown, you likely won’t feel a thing at first. Instead, you’ll see redness and some swelling, but not to the point where it’s bothering you. Eventually, a mild ingrown toenail will feel swollen, and when this occurs, the edge of the nail grows deeper into the flesh of the toe, allowing bacteria to enter, causing infection. Symptoms begin to appear, such as:5

• Liquid or pus in the affected toe
• Pain in the toe
• Swelling
• Inflamed toe that feels warm

Simple Home Remedies for an Ingrown Toenail

If you’re able to catch the ingrown toenail at its earliest stages, you’ll be able to cut it at home. But according to The Hearty Soul, this process can be difficult, especially if you’ve never done it before. If you decide to try this method, I recommend you have a family member assist you.6

1. Soak your feet in warm water mixed with either Epsom salt or Castile soap for about 20 minutes to help soften the toenails and skin and reduce any swelling.
2. Using clean fingers, push back the swollen skin carefully. This will likely be uncomfortable. Don’t force it back more than the swollen skin allows.
3. Cut the nail straight across. Start with the edges of the toenail, cutting the nail from the sides, not from the middle.
4. Place a small piece of cotton between the ingrown nail and skin. This helps the ingrown toenail from coming back, allowing it to grow correctly.
5. Apply ointment (check out The Hearty Soul’s homemade ointment recipe7) to the affected area and bandage it carefully.
6. To help with healing, avoid wearing socks and shoes while at home. Wear shoes that avoid dirt but allow open air.
7. It’s important to prevent infection by changing the cotton daily, maybe even twice a day.

In addition to the procedure described above, there are other remedies available before you resort to visiting a podiatrist (a doctor who specializes in foot problems). Here are some recommendations:8

• Soak your foot — Dip the affected foot in warm soapy water to keep the skin clear from bacteria. Do this four times a day to reduce the risk of infections. For improved results, add Epsom salt to the water often. This allows the skin to soften, allowing you to draw out the toenail from the flesh.
• Wash with castile soap — If you’re not able to find some downtime to soak your foot several times a day, try washing it in soap and water twice a day. Consider using castile soap because it uses natural and pure ingredients.
• Apple cider vinegar wash — Mix a quarter cup of apple cider vinegar with warm water for a foot soak. Alternatively, apply a diluted mix by combining vinegar with purified water to your affected foot. This will help clean the area and help relieve symptoms while your toe heals.
• Essential oil solution — Essential oils known for their anti-inflammatory and antimicrobial properties include tea tree, lavender, or clove oil — mix these with a carrier oil, like coconut oil and massage this to the affected area. This helps create a clean environment to help provide relief.

If Home Remedies Don’t Work, Try These Nonsurgical Treatments

There are several nonsurgical options available that address the affected toenail itself or the surrounding nail folds. The goal here is to separate the toenail between the nail fold, providing immediate relief. Best Practice Advocacy Centre (BPAC) New Zealand shares commonly used treatments below.9

• The cotton wick (packing) method — This involves lifting the lateral edge of the affected toenail and placing a small cotton wick under the edge, preventing the toenail from burrowing into the tissue.
It is generally performed without the use of an anesthetic, but a silver nitrate is used to cauterize any surrounding granulation tissue. Once the procedure is complete, the operation is taught to the patient, allowing them to repeat it as necessary. In addition, it’s recommended that the wick is only used for one week because the risk for a fungal infection under the nail bed develops.

• Dental floss technique — This procedure is similar to the cotton wick method but using dental floss instead. The floss is inserted in an oblique direction under the corner of the ingrown toenail and pushed inward.

Again, the procedure is done without an anesthetic, and relief is already experienced. The floss is usually left in place until it reaches near the edge of the nail plate, also known as the hyponychium. If the floss becomes dislodged or dirty, you’ll need to repeat the procedure to avoid infections.

• The gutter splint technique — A small plastic tube, usually from an IV line, is split lengthwise and placed under the lateral edge of the nail. Then, a diagonal cut is made on one end of the tube to facilitate smooth insertion, and the nail corner and lateral edge are lifted so the tube can be inserted between the nail and soft tissue. A local anesthetic is needed for this.

The splint is secured with an adhesive, sutures or acrylic resin. Then, it is covered properly to prevent it from catching onto clothing or beddings. According to BPAC New Zealand, this procedure is highly effective.

• Taping method — For this technique, an elastic tape, such as strapping tape, is used to pull the lateral nail fold away from the affected toenail. Specifically, one end of the tape is placed on the toenail then wrapped around the toe, creating an overlap without covering the toenail. While this is the least invasive method, it’s recommended that the tape be reapplied every three to seven days for two months to ensure proper recovery.

• Orthonyxia — Also called the brace technique, this procedure involves using a metal brace to pull the edge of the affected toenail away from the soft tissue after removing the spicule. According to reviewed literature by BPAC New Zealand, orthonyxia led to complete healing after six to 10 months of treatment.

• Angle correction technique — A podiatrist will file the entire surface of the ingrown toenail, reducing the thickness by 50% to 75%. This helps reduce the pressure on the nail fold and is repeated every two months. A different file is used to reshape the edge of the nail.

As you can see, there are several options available. I recommend visiting an experienced podiatrist, emphasizing your intent to use nonsurgical treatments as much as possible. Only consider surgery once all other treatments have failed to provide relief.

BS Brace — A Novel, Noninvasive Treatment

One of the most unique treatments for ingrown toenails is the BS brace, invented by Dr. Bernd Stolz, a German podiatrist, back in 1987.10 As the name implies, the brace is placed on the ingrown toenail, slowly fixing the curvature until relief is achieved. For those who are looking for a long-term solution, this could be the answer. Azure Advanced Aesthetics (AAA), a surgery practice in Canada, explains the principle behind it.11

• How the BS brace works — The brace is applied on the ingrown toenail, which pulls on the ingrown side until the nail returns to a normal shape. Since it is not applied anywhere else except the toenail, the brace is virtually allergy-free. According to AAA’s patients who tried this procedure, noted that relief is felt within 30 minutes. But those who suffer from severe cases will feel the results in three days.

• Diabetics will benefit from the BS brace — The BS brace is a helpful tool for diabetics, as it does not require any procedure that will lead to bleeding, which is a common issue for this condition.

• No interruption in your daily activities — Once the brace is applied and pain relief occurs, you’re able to resume your routine.

• Additional braces will need to be reapplied — Depending on your ingrown toenail’s condition, you may need to return to your podiatrist for repeat applications of the BS brace. AAA estimates that it could take anywhere from one to four braces to completely resolve the issue.

To give you an idea on what the BS brace looks like, refer to the images below, courtesy of Mackay Ingrown Toenail Clinic:12

Before brace application.
  

One month later. Note the transparent brace above the toenail.
  

Six months later. Note the transparent brace still attached to the toenail.
 

How to Prevent Ingrown Toenails from Forming

Ingrown toenails will inevitably affect your quality of life once they occur. But like most other conditions, prevention goes a long way. Here are some strategies to help lower your risk, according to the American Academy of Orthopaedic Surgeons:13

• Protect the feet from trauma — Wear appropriate protective shoes when working around heavy equipment or moving heavy items.
• Choose well-fitting footwear — Take time to shop for shoes and socks that provide adequate room for the toes.
• Trim your toenails properly — Cut toenails straight across with a clean, sharp nail trimmer without tapering or rounding the corners. Lastly, cut the nails no shorter than the edge of the toe.
• Always keep your feet clean and dry — Except when you’re bathing, swimming, or doing other activities in the water, clean, dry feet will help lower your risk of ingrown toenails.

Frequently Asked Questions (FAQs) About Home Remedies for Ingrown Toenails

Q: Why do we have toenails, and what happens when they become ingrown?
A: Toenails support balance and spatial awareness. Ingrown toenails occur when the nail burrows into the skin, leading to pain, swelling, and infection.

Q: What causes ingrown toenails to develop?
A: Common causes include improper nail trimming, wearing tight shoes, foot trauma, and natural nail or toe shape imbalances. These factors cause the toenail to grow into the surrounding skin.

Q: How can I treat an ingrown toenail at home?
A: Early treatment involves soaking the foot in warm water with Epsom salt, trimming the nail straight across, inserting cotton under the nail edge, applying ointment, and keeping the area clean and uncovered.

Q: What are nonsurgical treatment options for ingrown toenails?
A: Techniques like the cotton wick, dental floss, taping, gutter splint, orthonyxia, and angle correction lift the nail from the skin to relieve pressure and promote proper nail growth without surgery.

Q: What is the BS Brace, and how does it work?
A: The BS Brace is a noninvasive treatment that gradually reshapes the toenail to reduce pressure and pain. It’s suitable for diabetics and allows patients to continue daily activities during healing.

A New Series of Health Insights Is on the Way

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A New Series of Health Insights Is on the Way
Our team has been working behind the scenes to prepare new research and practical health strategies for our readers. While we finish preparing what’s coming next, we invite you to explore one of the most-read articles from our library below. See exactly what’s changing →

Many people struggle to fall asleep not because of pain, noise, or light — but because their minds won’t shut off. The internal noise of planning, worrying, or reliving conversations keeps your brain in a state of high alert, long past the moment your head hits the pillow. It’s not just frustrating. Sleep deprivation has been linked to anxiety, depression, cognitive decline and even heart disease.

You lie in bed exhausted, but your thoughts feel like a ping-pong match between memory and future stress. Conventional advice like “just relax” or “clear your mind” often backfires, intensifying the stress. Instead of trying to silence your brain completely, there’s a smarter approach that works with how your mind naturally transitions into sleep.

Luc Beaudoin, a cognitive scientist at Simon Fraser University, developed a technique called cognitive shuffling to mimic your brain’s natural shift into disorganized, dreamy thought patterns.

Rather than demanding stillness, it steers your thinking toward low-stakes, random associations that gently ease your nervous system into rest. If your mind is constantly busy at night, cognitive shuffling offers a practical, accessible way to break the cycle — and tonight might be the right time to try it.

Cognitive Shuffling Gives Your Brain Something Better to Do Than Overthink

An article by Calm explains that when you’re on the edge of sleep, your brain naturally shifts from focused, linear thinking to random, fragmented images and ideas.1 This is your brain’s way of loosening its grip on reality and preparing for dream states. Cognitive shuffling nudges this process along by introducing random, emotionally neutral words into your thoughts, helping your brain shift gears sooner.

• Cognitive shuffling is simple and requires no training or tools — All you have to do is choose a short, boring word — like “lamp” — and then think of other words that start with each of its letters. For “L,” you might think of “lemon,” “ladder” or “lint.” Once you run out of “L” words, you move to “A,” then “M,” then “P.” This exercise uses just enough mental energy to keep you from spiraling into anxious thoughts, but not so much that it keeps you awake.

• It’s designed to gently override your overactive mind — The goal isn’t to clear your mind — it’s to give it something else to do. Calm explains that trying to force your thoughts to stop usually makes you more awake. Instead, cognitive shuffling works by steering your brain into the exact kind of scattered thinking that happens naturally when you’re falling asleep. It’s a redirect, not a shutdown.

• You don’t need to be good at it for it to work — This is not a concentration game. If you forget the word you started with, lose track of where you are in the letter sequence or fall asleep mid-list, you’re doing it right. The randomness of the process is the point — it mimics the way dreams begin and distracts your brain just enough to let sleep take over.

Cognitive Shuffling Rewires Your Sleep Routine Through Repetition and Rhythm

For many people, bedtime becomes a performance: You’re trying to fall asleep, watching the clock, worrying about the next day and judging yourself when you fail. Cognitive shuffling removes the performance aspect. There’s no success or failure — just a quiet, low-effort distraction. Calm points out that this technique is forgiving, repeatable and adaptable to your preferences and mood each night.2

• Consistency helps your brain learn the routine — Calm notes that cognitive shuffling doesn’t always work instantly. It’s often a gradual process, especially for people who are used to being mentally active at night. But with regular use, your brain starts to associate the word-listing process with winding down. Over time, it becomes a cue for sleep, helping you build a healthy routine without needing supplements or sleep aids.

• The method uses natural brain rhythms to support rest — Beaudoin discovered that the mind transitions into sleep by becoming disorganized — flashes of disconnected ideas and images replace structured thoughts. By mimicking this disorganization intentionally, cognitive shuffling gets ahead of the curve and helps you enter the pre-sleep state faster.

• It aligns with cognitive load management principles — The strategy works because it respects how your brain processes information under stress. Instead of demanding mental silence — which increases cognitive strain — cognitive shuffling reduces your brain’s workload to something simple and rhythmic. This drop in cognitive load encourages your nervous system to relax, making it easier for you to fall asleep.

• Gamifying sleep makes it less stressful — Calm suggests choosing a new word every night to keep the process interesting and playful. Turning the exercise into a sort of mental puzzle adds novelty, which keeps your attention just enough to hold off stress. This light gamification introduces a small sense of fun into your sleep routine, which makes a big difference in how your body responds.

Mental Overactivity Blocks Sleep by Hijacking Your Executive Brain

An article by Renée Miller, perinatal clinical psychologist with the Antenatal & Postnatal Psychology Network in Australia, explains how your brain’s executive functions — planning, evaluating, remembering, and problem-solving — keep your mental engines running long after you’re physically exhausted.3 Beaudoin developed the term “mental perturbance” to describe this persistent overactivation that hijacks your ability to relax at night.

• Busy parents and overstimulated adults are especially affected — The article focuses on parents trying to fall asleep after a long day — when the house is finally quiet and it’s supposed to be “your time.” But rather than shutting down, your brain starts sorting tasks, reliving mistakes or strategizing the next day.

This isn’t simple stress — it’s the result of an executive system that doesn’t know when to quit. That’s where cognitive shuffling offers a practical way to break the cycle.

• Adding visualization deepens the effect and calms your body — The technique is more powerful when you not only think of the words but also picture them. If your word is “broom,” you imagine the broom. Then the next “B” word, like “beach,” you picture that too.

Visualization helps draw your attention away from internal dialogue and creates a sensory experience that mimics dreaming. This visual layering enhances the disorganization that helps your brain drift off.

• Breath control is a hidden part of the shuffle’s success — You can also use intentional breathing as part of the technique. Try breathing in while thinking of the word and breathing out while visualizing it. Longer exhales naturally activate your parasympathetic nervous system — your body’s “rest and digest” mode — making the process even more physically relaxing.

How to Use Cognitive Shuffling to Quiet Your Mind and Fall Asleep Faster

If your mind feels like it’s running a marathon the moment you lie down, you’re not alone. Racing thoughts don’t just keep you awake — they trigger your stress response, keep cortisol elevated, and pull your brain into high-alert mode when it should be shifting into sleep. The root of the issue is that your brain’s executive system doesn’t know how to shut down without help.

Instead of trying to force silence, the smarter move is to redirect that mental energy with a technique that mimics how your brain naturally falls asleep. That’s where cognitive shuffling comes in. This isn’t meditation. It’s not about clearing your mind or focusing on your breath.

It’s about giving your brain something harmless, simple and disorganized to do — so it stops trying to solve tomorrow’s problems at 11 p.m. If you’re wired at night or wake up and can’t get back to sleep, try these five steps:

1. Start with your sleep environment — Get your bedroom as calm, dark and quiet as possible. Turn out all lights, power down your devices — or better yet your Wi-Fi — and keep the temperature cool. If you live in a noisy area or your partner snores, turn on a fan or try a white noise machine to block out distractions. The less stimulation you have from the outside, the easier it is for your brain to switch gears.

2. Pick a simple, neutral word to start the shuffle — Choose something ordinary that doesn’t trigger emotion or memories. Words like “lamp,” “chair” or “apple” work well. You want something familiar but boring — nothing connected to your work, relationships or problems. If you’re a visual thinker, try picking a word you can picture clearly, like “ball” or “tree.”

3. Break the word into letters and think of other words — For each letter of your chosen word, think of new words that start with that letter. If your word is “blanket,” for example, you’d start with “B” and think of “book,” “bird,” “bucket,” etc. Then move to “L” and do the same. Don’t worry if you run out of words or forget where you were — that’s actually a good sign your brain is losing steam.

4. Add visualization and breath to deepen the effect — Picture each word you think of in your mind. If you think of “balloon,” imagine the shape, color and how it floats. Breathe in when the word comes to mind. Breathe out as you visualize it. The longer exhale helps your body relax and settle into rest. This adds a physical layer of calm on top of the mental distraction.

5. Repeat with a new word if needed — If you’re still awake after one round, don’t get frustrated. Just pick a new word and start again. The goal isn’t perfection — it’s distraction. The more you practice, the more your brain learns to associate this shuffle with winding down. Over time, it becomes a cue for your body to enter sleep mode, just like brushing your teeth or turning off the light.

This technique gives your mind something to do that doesn’t involve stress, problem-solving or memory. It works with your biology instead of against it. And best of all, it’s something you can try tonight — no tools, no tracking, just you and your thoughts, gently shuffled into sleep. For more help, review my 50 Tips to Improve Your Sleep.

FAQs About Cognitive Shuffling

Q: What is cognitive shuffling, and how does it help with sleep?
A: Cognitive shuffling is a mental technique that uses random, neutral word associations to gently distract your brain and help you fall asleep. Instead of forcing your mind to go blank, you give it a light, non-stimulating task — like thinking of words that start with each letter of a chosen word. This mimics your brain’s natural transition into sleep and reduces nighttime overthinking.

Q: Why do racing thoughts keep me awake at night?
A: When your brain’s executive functions — like planning, evaluating, or problem-solving — stay active, they prevent your body from entering a restful state. Cognitive shuffling interrupts that cycle by scrambling structured thinking and encouraging your brain to let go.

Q: How do I practice cognitive shuffling?
A: Start by choosing a simple word, such as “lamp” or “table.” Then, think of other words that begin with each letter of your chosen word. Add visualization by picturing each new word, and coordinate it with slow breathing — in on the thought, out on the image. If you lose track or fall asleep mid-process, that’s a sign it’s working.

Q: What makes cognitive shuffling different from other relaxation techniques?
A: Unlike meditation or breathing exercises that require focus or stillness, cognitive shuffling uses mild mental stimulation to redirect your thoughts. It’s a practical, low-effort technique that doesn’t rely on silence or concentration — and it’s especially helpful for people who struggle to shut off their minds at night.

Q: Can cognitive shuffling work for everyone, including children or anxious sleepers?
A: Yes. This method is simple, adaptable and doesn’t require any special tools or training. It works well for adults, busy parents and even children. You can personalize it by choosing different words each night or turning it into a mental game. The key is consistency — over time, your brain will associate the technique with bedtime, making it easier to fall asleep.

What you eat doesn’t just fuel your body — it directly changes your brain chemistry, your blood flow, and how stable your emotions feel from hour to hour. Flavonoids, the natural compounds found in colorful fruits and vegetables, actively influence neurotransmitters like dopamine, improve blood flow to your brain, and interact with your gut microbiome in ways that regulate inflammation and emotional stability.

What makes this especially worth paying attention to is that the relationship works both ways. Higher happiness and optimism make it easier to maintain better eating habits, while poor mood pushes you toward processed, nutrient-poor foods that worsen how you feel. That cycle either builds momentum in your favor or works against you — and understanding how that loop begins starts with the foods you choose every day.

How Flavonoid-Rich Foods Reshape Your Mood Over Time

A study published in Clinical Nutrition followed 44,659 women from the long-running Nurses’ Health Study to examine how flavonoid-rich foods influence happiness and optimism over time.1 Researchers analyzed diet data collected years earlier and compared it with emotional well-being tracked across multiple time points. This gave them the ability to see not just short-term effects, but how everyday food habits shape how you feel over an entire decade.

• Higher intake led to measurable improvements in happiness and optimism — Women who consumed the highest amounts of flavonoid-rich foods had a 3% higher likelihood of sustained happiness and a 6% higher likelihood of sustained optimism compared to those with the lowest intake.
Over time, those small daily choices shift your emotional baseline — the default mood you wake up with and return to throughout the day. Even small percentage shifts matter when they persist over years, because they shape how often you feel positive, motivated, and resilient.
• Specific fruits delivered stronger results than general diet patterns — Not all foods carried the same weight. The strongest effects came from strawberries, blueberries, apples, oranges, and grapefruit. These foods were linked to up to a 16% greater likelihood of sustained optimism and about an 8% improvement in sustained happiness. That gives you a clear, simple starting point. Instead of guessing, you can focus on a short list of foods that consistently show results.
• The more variety you eat, the stronger the effect becomes — Researchers created something called a “flavodiet score,” which measures how many different flavonoid-rich foods you eat each day. Women who averaged about three servings per day had the best outcomes. This matters because it turns nutrition into a simple daily target. Think of it as a daily score you’re building: berries at breakfast, an apple at lunch, an orange after dinner.
• The relationship works both ways, creating a feedback loop — One of the most important findings is that mood and diet reinforce each other. Women with higher happiness and optimism at baseline were more likely to maintain a higher intake of flavonoid-rich foods over time.
On the flip side, lower mood made it harder to stick with healthier eating patterns. This creates either an upward spiral or a downward one. Improve your food, and your mood follows. Improve your mood, and better food choices come more naturally. That’s the cycle — and once it starts turning in your favor, each day reinforces the next.

How Colorful Foods Target Multiple Mood Pathways at Once

The study broke flavonoids into subclasses and found that some had stronger effects than others. For example, flavones and flavanones were linked to about a 9% to 10% higher likelihood of sustained happiness, while anthocyanins — the compounds that give berries their color — were tied to about a 6% improvement.

For optimism, some subclasses showed even stronger effects, with increases ranging from 6% up to 18%. This tells you that diversity matters. Eating a range of colorful foods gives your brain multiple types of support at once.

Researcher Aedín Cassidy, with Queen’s University Belfast, told The Times, “There are lots of different types of flavonoids, including the anthocyanins in berries, grapes and aubergines, flavan-3-ols in tea and apples, flavonols in broccoli and kale. Some of them are good for blood pressure, others for lipid profile, others for the brain, so the more diversity of them in your diet over time the better it will be for your health and mental wellbeing.”2

• Your brain chemistry responds directly to these compounds — Flavonoids influence key neurotransmitters like dopamine and GABA, which regulate mood, focus, and emotional balance. These are the chemical signals that determine whether you feel calm, motivated, or overwhelmed. By increasing the production and activity of these neurotransmitters, flavonoids help stabilize your emotional state from the inside out.
• Blood flow and brain communication improve at the same time — These compounds also enhance blood flow to your brain. Better blood flow means more oxygen and nutrients reach brain cells, which helps them function efficiently.
At the same time, flavonoids support synaptic plasticity — your brain’s ability to form and strengthen connections. That directly impacts how quickly you think, how well you adapt, and how resilient you feel under stress.
• Your gut plays a hidden role in how these foods affect your mood — After you eat flavonoid-rich foods, your gut bacteria break them down into more active compounds. These metabolites influence the production of short-chain fatty acids — compounds that calm inflammation in your gut and send mood-regulating signals directly to your brain.
In other words, your gut acts like a processing center that turns food into mood-supporting signals. This explains why consistent daily intake matters more than occasional bursts — your microbiome adapts based on what you feed it.

The Everyday Eating Habits That Rapidly Boost How You Feel

In The Times article, psychologists and nutrition researchers answered a simple question: what foods and habits make you feel better fast and keep that effect going?3 The focus is practical. What you eat today changes how you feel within hours and sets the tone for tomorrow.

• You can feel a mood boost within hours of eating certain foods — Katie Barfoot from the University of Reading noted, “Sometimes there is an immediate response with people feeling more positive within two hours of consuming these foods.” This means it’s not just about long-term health. You can use meals as a tool. Eat something supportive in the morning, and you shift your entire day’s emotional baseline.
• Timing matters more than most people realize — Researchers from the University of Warwick and Bielefeld University analyzed more than 28,000 mood reports and found that morning coffee or tea led to a stronger improvement in positive emotions than drinking it later in the day.4
This works because caffeine blocks adenosine receptors — adenosine being the chemical that accumulates in your brain throughout the day and makes you feel progressively sleepier — which increases dopamine activity, the signal tied to motivation and alertness. When you time it right, you get more mental clarity and a better mood from the same drink.
• Whole, unprocessed foods have a stronger effect than packaged ones — Fruits and vegetables eaten in their natural state were more strongly linked to better mental health than processed versions.5 The study identified foods like carrots, leafy greens, berries, citrus fruits, and bananas as top performers when eaten in an unprocessed state. This gives you a simple rule to follow: the closer your food looks to how it grew, the stronger the effect on your brain.
• Small nutrient gaps directly affect how you feel — Researchers from the University of California Davis found that low levels of choline — a nutrient needed for brain development and emotional regulation — were linked to anxiety.6 People with anxiety disorders had lower levels of choline in the prefrontal cortex, the part of your brain responsible for decision-making and emotional control. Foods like pastured egg yolks and shiitake mushrooms help correct that gap.
• Ultraprocessed foods work against your brain in multiple ways — Diets high in ultraprocessed foods are linked to higher rates of depression in studies involving tens of thousands of adults.7 These foods crowd out key nutrients like B vitamins, magnesium, and zinc — all required for brain function. When those nutrients drop, your brain struggles to regulate mood, focus, and stress. This explains why junk food does not just affect your weight. It directly affects how you think and feel.
• Blood flow to your brain plays a direct role in mood changes — Experts explained that certain foods and drinks improve blood flow to your brain. Daniel Lamport from the University of Reading stated that mood improvements from foods like orange juice have “to do with the mechanisms of increased blood flow to the brain.”
Better circulation delivers more oxygen and nutrients, which supports faster thinking and a more stable emotional state. It’s important to focus on the whole fruit, however. Lamport said, “The whole fruit should be juiced as with oranges, for example, the pithy bits on the outside of the flesh are where a lot of the flavonoids are present. It’s the whole fruit that has the psychological benefits.”

Simple Daily Habits That Stabilize Your Mood

Your mood reflects what your brain is consistently given to work with. When key nutrients are missing, when blood flow is sluggish, or when processed foods crowd out what matters, your emotional state shifts in the wrong direction. Fixing that starts with restoring what your brain needs and removing what interferes.

If you deal with low energy, irritability, or difficulty staying positive, the goal isn’t complexity. The goal is consistency. Build a simple daily structure that supports brain chemistry, and repeat it until it becomes automatic.

1. Hit a daily target of three flavonoid-rich whole foods — The research points to a clear sweet spot — about three servings of whole fruits like berries, apples, and citrus per day. That is the range where the women in the Nurses’ Health Study showed the strongest improvements in sustained happiness and optimism.
The key is spreading those servings across your day so your brain gets a steady supply rather than one big dose. Have blueberries with breakfast, an apple with lunch, and an orange after dinner.
2. Focus on whole foods that also correct key nutrient gaps — Mood problems aren’t always about what you’re eating. Sometimes they’re about what you’re missing. Researchers found that low levels of choline, for example, were directly linked to anxiety — people with anxiety disorders had measurably lower choline.
Foods like pastured egg yolks help fill that gap. Including minimally processed, nutrient-dense options at every meal gives your brain the raw materials it needs to keep your emotional state steady, especially the B vitamins, magnesium, and zinc that ultraprocessed diets tend to strip away.
3. Time your coffee or tea early to set your emotional baseline — Researchers found that morning coffee or tea produced a stronger boost in positive emotions than the same drink consumed later in the day. If you drink coffee or tea earlier in the day, your brain gets a sharper sense of focus and positive momentum during the hours that matter most.
Pushing caffeine into the afternoon disrupts that rhythm and makes your mood less predictable. Think of the first part of your day as the window where you set the emotional tone for everything that follows. How you choose and prepare your coffee matters, however. Choose organic, single-origin Arabica beans to minimize pesticide exposure. Grind them fresh and brew with filtered water.
Skip artificial creamers, flavored syrups, and sugar, which disrupt your body’s ability to maintain steady energy and can undermine the mood benefits you are trying to build.
4. Remove ultraprocessed foods that block progress — This is the other side of the equation. You can eat all the berries you want, but if your diet is still heavy in packaged snacks, refined products like seed oils, and heavily processed meals, you’re working against yourself. Eating ultraprocessed food daily actually increases depression risk.
Start by swapping one processed item per meal for something whole and simple — a piece of fruit instead of a granola bar, pastured eggs instead of a sugary cereal, grass fed butter instead of vegetable oil. Each replacement clears the way for your brain to function the way it is supposed to.
5. Use daily movement to reinforce brain and mood function —Food lays the foundation, but movement amplifies the effect. Exercise improves cerebral blood flow — the same mechanism that makes flavonoid-rich foods so effective — and supports the neurotransmitters that regulate motivation and emotional balance. You don’t need to push yourself hard — consistency matters far more than intensity.
A daily walk, a short bodyweight workout, or even 20 minutes of stretching creates a noticeable shift in how steady and focused you feel. When you combine regular movement with better nutrition, you’re supporting the same brain systems from two directions at once, and the results compound faster than either one alone.

When these habits are repeated daily, the effect builds. Your mood becomes more stable, your focus sharpens, and emotional swings lose their intensity. That shift comes from giving your brain the consistent nutrients it was designed to run on — and once the cycle starts working in your favor, maintaining it gets easier, not harder.

FAQs About Foods That Boost Your Mood

Q: What are the best foods to improve my mood quickly?
A: Flavonoid-rich whole foods like berries, apples, and citrus fruits stand out. These foods influence brain chemicals tied to mood and improve blood flow to your brain. Some people notice a shift in how they feel within a couple of hours after eating them, especially when consumed earlier in the day.

Q: How many servings of these foods do I need each day?
A: Research points to about three servings per day as an effective target. Spreading them across meals works better than eating them all at once because it gives your brain a steady supply of mood-supporting compounds throughout the day.

Q: Why does food affect mood so strongly?
A: Your brain depends on nutrients to produce neurotransmitters like dopamine and GABA, which regulate motivation, calmness, and emotional balance. Food also affects blood flow to your brain and interacts with your gut, which plays a direct role in how you feel.

Q: What role do processed foods play in mood problems?
A: Ultraprocessed foods crowd out essential nutrients like B vitamins, magnesium, and zinc. When those nutrients drop, your brain struggles to regulate mood and stress. Diets high in processed foods are consistently linked to higher rates of depression and emotional instability.

Q: Are food changes enough, or does lifestyle matter too?
A: Food lays the foundation, but daily movement strengthens the effect. Regular exercise improves blood flow to your brain and supports the same mood-regulating systems influenced by diet. Combining consistent nutrition with daily activity creates a more stable, resilient emotional baseline.

Test Your Knowledge with Today’s Quiz!
Take today’s quiz to see how much you’ve learned from yesterday’s Mercola.com article.

Which of the following is not a modifiable factor that can affect breast cancer risk?

Diet
Physical activity
Smoking
Eye color
About 28% of breast cancer cases are linked to modifiable factors like diet, activity, and smoking. Eye color is genetic and not influenced by lifestyle. Learn more.

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According to a study published in the Archives of Physical Medicine and Rehabilitation, falls (and the injuries resulting from them) are a global health concern. Now, at the core of this problem is muscle fitness, “which is essential for balance recovery and fall avoidance.”1

While you may not consciously think about it, your hips contain one of the most important muscles in your body, particularly the abductors. As noted by the researchers:2

“Hip abductor muscle function contributes to lateral balance control and influences balance with aging in tasks such as stepping in multiple directions, obstacle walking, and standing balance.”

In essence, your hips play a huge part in keeping your body’s ability to move. These include rotating your legs, flexing your legs, supporting your weight, and walking. If your hip muscles become weak, then your balance is affected. To keep them strong, the best recourse is implementing a diverse muscle-strengthening routine, and there are many that can be done in the comfort of your own home.

Try This Simple Hip Stabilizer Exercise

> > > > > Click Here

Breast cancer begins as uncontrolled cell growth in breast tissue, often showing up as a lump, changes in shape, skin dimpling, or unusual discharge. When it progresses unchecked, it spreads beyond the breast and becomes far more difficult to treat. That reality makes early awareness important, but it also raises a pressing question — why does it develop in the first place?

Across the globe, the number of breast cancer diagnoses continues to rise, affecting millions of women each year and placing a growing strain on health systems. Yet, a large global analysis published in The Lancet Oncology points to a significant share of cases tied directly to everyday behaviors and metabolic health — not just genetics or bad luck.1

This shifts the focus from something that happens to you, to something that builds over time through repeated exposures. Your diet, activity level, blood sugar control, and exposure to harmful substances all shape the environment inside your body.

Over years, those exposures either support normal cellular function or push it in the wrong direction. Once you see breast cancer through that lens, the conversation becomes far more practical. Instead of asking only how to detect it, the better question becomes: which specific factors are driving risk — and how much of that is within your control?

Nearly 1 in 3 Breast Cancer Cases Ties Back to Daily Choices You Control

For The Lancet Oncology analysis, researchers evaluated breast cancer data across 204 countries and territories, tracking incidence, deaths, and years of life lost from 1990 through 2023.2 This type of analysis pulls from cancer registries, death records, and population data to build a full picture of how the disease develops over time. Instead of focusing on one group, it captures the entire global population, which makes the findings highly relevant to your daily life.

The data reveals that in 2023 alone, breast cancer accounted for 2.3 million new cases and 764,000 deaths worldwide. Beyond diagnoses and deaths, researchers calculated 24.1 million disability-adjusted life years, meaning years of healthy life lost due to illness or early death. This gives you a clearer picture of the real impact — not just survival, but quality of life. When you see numbers at this scale, it becomes obvious that this disease isn’t rare or isolated.

• Your daily habits account for a large share of total risk — One of the most important findings shows that 28.3% of the global breast cancer burden is tied directly to modifiable risk factors. This means, nearly one out of every three cases is linked to choices you make every day. That includes how you eat, how active you stay, and how well your metabolism functions. This shifts the focus from genetics alone to something you can actively track and improve.
• Diet stands out as the largest lifestyle contributor — The analysis found that dietary risks, particularly high consumption of red meat, account for nearly 11% of the total disease burden tied to these modifiable factors. While grass fed red meat is an ideal protein source, processed red meat is linked to cancer and other health problems. When you think about this in practical terms, each meal becomes a data point that either raises or lowers your risk over time.
• Tobacco exposure remains a major driver despite progress — Tobacco use, including secondhand smoke, contributes about 8% of the global breast cancer burden. Although rates have declined since 1990, the impact remains significant. This matters because exposure isn’t limited to active smoking. Even environments with lingering smoke increase risk, which makes your surroundings just as important as your personal habits.
• Blood sugar and metabolic health play a direct role — High fasting plasma glucose, which refers to elevated blood sugar levels even after not eating, contributes about 6% of the burden. This reflects deeper metabolic dysfunction. When your body struggles to regulate blood sugar, it creates an internal environment that disrupts normal cellular behavior. For you, this ties breast cancer risk directly to how your body handles carbohydrates and energy.
• Body weight adds another measurable layer of risk — High body mass index (BMI), which measures weight relative to height, accounts for about 4% of the burden. BMI doesn’t show where fat is located inside your body, which is a better measure of health risks. Still, excess fat tissue changes hormone levels and increases inflammatory signals throughout your body. Over time, that alters how cells grow and respond to stress, which increases the likelihood of abnormal cell development.
• Alcohol and inactivity still matter even at lower percentages — High alcohol use and low physical activity each contribute about 2% of the total burden. These numbers look smaller, but they still represent millions of cases globally. When you stack these factors together, the combined effect becomes significant. Even small improvements in activity or alcohol intake shift your overall risk profile.

Why Progress Is Uneven and Your Daily Exposure Still Drives Risk

The study highlights that between 1990 and 2023, the burden linked to alcohol use dropped by 47% and tobacco by 28%. That shows behavior change works. At the same time, other factors like high blood sugar and excess weight haven’t improved at the same pace. This imbalance explains why total case numbers continue to rise despite some progress.

• Where you live strongly influences outcomes and survival — The data shows that high-income regions have lower mortality rates, while low-income regions experience higher death rates despite lower incidence. This means access to screening, diagnosis, and treatment determines outcomes as much as the disease itself. Early detection and access to care play a major role in survival, not just risk.
• Future projections show a sharp rise in cases and deaths — Researchers forecast that by 2050, global breast cancer cases will reach 3.56 million, with deaths climbing to 1.37 million. That represents a major increase over current levels. When you view this as a trajectory rather than a static number, it becomes clear that prevention isn’t optional — it’s necessary to change that curve.
• The underlying mechanism centers on cumulative exposure over time — The study uses a comparative risk framework, which means it estimates how much disease would decrease if a risk factor were removed or reduced. In plain terms, the longer you stay exposed to harmful factors, the more they accumulate in your body. This builds stress at the cellular level, gradually shifting normal cells toward dysfunction.

How to Improve the Daily Patterns That Drive Breast Cancer Risk

The same data that quantifies the problem also points to the solution. If nearly a third of breast cancer cases are driven by modifiable factors, then improving those factors isn’t just hopeful thinking — it’s the logical response to what the evidence shows.
The data points to six drivers you can influence every day — blood sugar, diet, body composition, movement, alcohol, and toxin exposure. The steps that follow reflect my approach to addressing those factors through the lens of metabolic health. When you improve the way your body produces energy, those risk factors begin to shift in your favor.
Focus first on restoring how your cells generate fuel, because that’s the foundation everything else builds on. If your metabolism feels slow, your energy crashes, or your weight has crept up over time, that’s your signal to start here. Each step below targets the root causes identified in the research while strengthening your cellular energy at the same time.

1. Restore cellular energy by fueling your body correctly every day — Every cell in your body contains tiny energy generators called mitochondria, and when they falter, everything downstream suffers. Your mitochondria depend on carbohydrates to produce energy efficiently. Most adults function best with about 250 grams of targeted carbohydrates daily, and more if you stay active. If you’ve restricted carbs for years, your metabolism has likely downshifted.
Start simple: add whole fruits and easy-to-digest carbs like white rice, then expand to other starches as your system improves. Pair this with adequate protein — about 0.8 grams per pound of lean body mass (or 1.76 grams per kilogram) — and make one-third from collagen-rich sources like slow-cooked meats or bone broth. This supports tissue repair without overwhelming your system and directly improves blood sugar stability, one of the key risk factors.
2. Remove seed oils and excess linoleic acid (LA) to improve metabolic function — High intake of polyunsaturated fats, especially LA from seed oils, interferes with how your body burns glucose. That forces your cells to rely on less efficient energy pathways — the metabolic equivalent of running a car engine on the wrong fuel. It still runs, but it generates more exhaust and more wear.
Remove all major sources — soybean, corn, canola, sunflower, and safflower oils — along with nuts and seeds that concentrate these fats.
If you eat out often, assume these oils are present and reduce those meals to lower your exposure. Replace them with stable fats like grass fed butter, ghee, or tallow. This simple shift helps your cells use fuel cleanly instead of storing it or converting it into harmful byproducts.
3. Lower daily stress signals that slow your metabolism and raise risk — Chronic stress disrupts how your body produces energy. If you rely on caffeine, skip meals, or sleep poorly, your system shifts into survival mode. Eat at consistent times, prioritize deep sleep, and get morning sunlight to reset your internal clock. Limit blue light exposure at night to protect your sleep cycle.
Daily walking, especially outdoors, helps lower stress hormones and improves how your body handles glucose. Reducing unnecessary electromagnetic field (EMF) exposure where possible, such as by turning off your Wi-Fi at night, adds another layer of support. Each stressor you remove frees up energy for repair instead of defense.
4. Eliminate alcohol and reduce exposure to environmental toxins — Alcohol directly disrupts mitochondrial function and shows up as a clear contributor in the data. Treat it as something to remove entirely, not manage. The same applies to tobacco smoke and environmental toxins. If you are around secondhand smoke, that exposure still counts. Reducing these exposures lowers the total burden on your system and removes one of the most direct drivers of long-term risk.
5. Rebuild metabolic strength through movement and sunlight — Your body requires regular movement and light exposure to maintain strong energy production. Aim for daily walking, working up to about an hour over time. Add strength training gradually to build muscle, which acts as a metabolic engine that improves blood sugar control and body composition.
Morning sunlight supports vitamin D production, nitric oxide release, and mitochondrial function. Avoid intense sun exposure from 10 a.m. to 4 p.m. until you’ve reduced seed oil intake for at least six months, since high LA levels increase your skin’s sensitivity to the sun. Even small steps — short walks, brief sun exposure — build momentum and restore resilience.

Each of these steps connects directly back to the risk factors identified in the research. When you focus on energy production first, the rest of the system begins to correct itself, and your daily choices start working in your favor instead of against you.

FAQs About Breast Cancer and Lifestyle Factors

Q: What does it mean that 28% of breast cancer cases are linked to modifiable risk factors?
A: It means nearly 1 in 3 cases is tied to everyday habits you control, including diet, blood sugar, body weight, activity level, alcohol use, and tobacco exposure. This shifts the focus from genetics alone to factors you influence daily through your lifestyle.

Q: Which lifestyle factors have the biggest impact on breast cancer risk?
A: Diet ranks as the largest contributor, followed by tobacco exposure, high blood sugar, excess body weight, alcohol intake, and low physical activity. These factors shape your internal environment over time and influence how your cells function.

Q: How does blood sugar affect breast cancer risk?
A: Elevated blood sugar reflects poor metabolic health, which disrupts normal cellular processes. When your body struggles to regulate glucose, it creates stress at the cellular level that supports abnormal growth patterns over time.

Q: Why does location affect breast cancer outcomes so much?
A: Survival depends heavily on access to early detection and treatment. High-income regions have lower death rates because cancers are found earlier and treated more effectively, while limited access in other regions leads to worse outcomes.

Q: What’s the most effective way to lower my risk based on this data?
A: Focus on improving your metabolic health and daily habits. Stabilize blood sugar with proper nutrition, eliminate alcohol, tobacco and seed oils, stay physically active, maintain a healthy body composition, and reduce exposure to toxins. These steps directly target the root causes identified in the research.

Test Your Knowledge with Today’s Quiz!
Take today’s quiz to see how much you’ve learned from yesterday’s Mercola.com article.

Which type of diet has been linked to memory problems in older adults?

High-protein diet
Low-fiber diet
A low-fiber diet impairs memory by affecting the amygdala, the brain region responsible for emotional learning and decision-making, even over short periods. Learn more.
Plant-based diet
Low-fat diet

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A New Series of Health Insights Is on the Way
Our team has been working behind the scenes to prepare new research and practical health strategies for our readers. While we finish preparing what’s coming next, we invite you to explore one of the most-read articles from our library below. See exactly what’s changing →

Ingesting microplastics has become unavoidable. These particles — smaller than five millimeters — have already been found in drinking water, food, and even blood. Scientists estimate that the average person now consumes the equivalent of a credit card’s worth of plastic every single week.1 These plastics are not just littering the environment; they’re accumulating inside your body.

Microplastics act like sponges, absorbing, and concentrating toxic pollutants such as heavy metals, pesticides, and industrial chemicals. Once swallowed, these contaminated particles cross cell membranes, damage gut lining, and disrupt your endocrine system. Some are even small enough to pass through your blood-brain barrier. And because they mimic estrogen and other hormones, their long-term presence is tied to everything from infertility to neurodegenerative disease.

Conventional water treatment plants weren’t designed to remove particles this small. Worse, the water treatment chemicals currently used, like polyacrylamide, carry toxicity risks of their own. They don’t break down easily, and their byproducts linger in ecosystems long after the water leaves the plant. You’re not just drinking the residue of industrial plastic; you’re drinking the chemicals used to try to clean it up. That’s why a new breakthrough caught my attention.

In a 2025 study published in ACS Omega, researchers at Tarleton State University in Texas demonstrated that natural plant extracts, specifically from okra and fenugreek, removed up to 93% of microplastics from water sources.2 These weren’t purified lab samples. This was groundwater, freshwater, and seawater from real-world locations. So, how exactly do these humble plants outperform synthetic chemicals? That’s where the following set of findings comes in.

Okra and Fenugreek Beat Chemicals in Removing Microplastics from Water

The ACS Omega study examined the microplastic removal ability of natural polysaccharides extracted from okra and fenugreek.3 The research involved both lab-simulated and real-world water samples, including surface water, ocean water, and groundwater from different U.S. regions.

Unlike earlier lab-only trials, this study assessed the effectiveness of these natural water treatment agents in actual environmental conditions — rivers, wells, and coastal waters — contaminated with different shapes, sizes, and types of microplastics.

• The study focused on how well each plant worked individually and in combination — Using what’s called a jar test — essentially a small-scale lab method to simulate water treatment — the researchers compared three natural treatments: fenugreek alone, okra alone, and a 1:1 mix of both.

The team evaluated how long each treatment took to work, how much of the plant extract was needed, and which water conditions yielded the best results. They also tested against the synthetic chemical polyacrylamide, which is currently used in many industrial water treatment systems.

• Fenugreek removed the most microplastics overall, especially in groundwater — In groundwater samples, fenugreek achieved removal rates between 80% and 90%, outperforming all other materials, including the commercial chemical polyacrylamide.

Okra worked best in seawater, removing around 80% of microplastics. When the two were combined, they performed best in freshwater, capturing roughly 77% of contaminants. That means you’d be getting cleaner water in under an hour using a natural, plant-based method instead of relying on synthetic chemicals with known risks.

• The best results were achieved with just 1 gram (g) of plant extract per liter (L) of water — The optimal concentration was 1 g/L, and the sweet spot for contact time was 60 minutes. That’s how long it took for most of the particles to bind with the polysaccharide and settle out.
This makes it a practical method for everyday use. You don’t need a large quantity of the plant extract, and you don’t have to wait all day for it to work. Even a short soak of 30 minutes led to 70% removal in some tests.

• These plants also removed other pollutants — The study noted that fenugreek and okra were also capable of reducing total dissolved solids and suspended solids in the water. These include toxins, heavy metals, and industrial runoff. So, you’re not just removing microplastics — you’re stripping out the very chemicals that ride along with them into your bloodstream.

• Polyacrylamide, the commercial standard, lagged behind on every metric — Synthetic water treatment agents like polyacrylamide only removed about 54% of microplastics in the same water and under the same conditions. On top of that, they leave behind trace molecules called monomers that aren’t biodegradable and are suspected to carry long-term health risks.
In contrast, fenugreek and okra are not only nontoxic but also biodegradable and sourced from renewable agriculture.

These Plants Trap Microplastics by Clumping Them Together

Unlike synthetic chemicals that work by neutralizing electrical charges, these plant-based water cleaners worked through “bridging.” That means the long-chain sugars in the plants wrapped around and trapped the plastic particles like nets. Over time, the trapped particles got heavier and sank, allowing them to be filtered out of the water more easily.4

• Plant extracts with a high molecular weight did better at binding plastic particles — Fenugreek had the highest intrinsic viscosity and molecular weight, which helped it form stronger and longer-lasting bridges with microplastic particles. That’s likely why it showed the highest removal efficiency in every water type tested. The study showed that when plant extracts are larger and more viscous, they’re better at grabbing and bundling contaminants.

• The researchers used lab tests to show how the plants remove microplastics — They took close-up microscope images to show the plant extracts physically trapping the plastic particles. They also measured the electrical charge on the particles before and after treatment. Since the charge didn’t change much, they confirmed the plants worked by clumping the plastics together, not by changing their charge.

• Different types of plastic responded better to different plants — The researchers found that fenugreek was especially effective at capturing polyvinyl chloride (PVC), one of the most toxic forms of plastic. Okra worked better on lighter types of plastic commonly found in seawater. Matching the plant extract to the plastic type makes the treatment more precise and more effective.

How to Protect Yourself from Microplastics Using Natural, Proven Solutions

If you’re serious about protecting your body from microplastics, the most effective strategy is to control your environment. That means cleaning up your water, ditching plastic in the kitchen, switching out synthetic fabrics, and using smarter tools and storage for everything from leftovers to laundry. Once you know what to look for, these swaps are simple, but they have a massive impact.

1. Upgrade your water filtration and ditch plastic bottles — Drinking contaminated tap water or buying bottled water in plastic exposes you to microplastics every single day. I recommend installing a certified filtration system that’s been proven to remove particles under 5 microns.
This includes systems with sub-micron filters. If you have hard tap water, boiling it for five minutes cuts microplastic levels by up to 80%.5 Always choose bottled water in glass if you’re buying it on the go, and avoid plastic bottles.

2. Make smarter food packaging choices and don’t microwave plastic — Heat and plastic don’t mix. Microwaving food in plastic containers causes those containers to leach microplastics and endocrine-disrupting chemicals directly into your meal. Store leftovers in stainless steel, glass, or ceramic — not plastic tubs or plastic wrap. Choose grocery items in glass jars instead of soft plastic. Use cloth wraps at home instead of zip-top bags or cling film.

3. Re-evaluate your kitchen essentials — Every time you use a plastic cutting board, it sheds microscopic pieces into your food, especially when you’re slicing acidic or hot foods. Switch to wooden or tempered glass boards. Also replace plastic utensils with stainless steel or bamboo. These changes don’t just reduce your microplastic intake — they make your kitchen cleaner and safer over time.

4. Choose natural fibers and rethink how you wash clothes — If you’re wearing polyester, acrylic, or nylon, you’re wearing plastic, and it’s ending up in your water supply. Every wash releases synthetic microfibers that enter rivers, oceans, and drinking water. Start transitioning to natural fabrics like cotton, wool, or linen.
For synthetic items you already own, wash them less often, on colder settings, and use a microfiber-catching laundry bag or washing machine filter to trap the fibers before they escape.

5. Check your personal care products and go food-grade when possible — Many cosmetics, exfoliants, toothpaste brands, and skincare products still contain plastic microbeads or emulsifiers made from petroleum-based compounds. These aren’t just bad for the environment — they end up in your mouth, bloodstream, and organs.
Look for all-natural, food-grade personal care items. Read labels and avoid anything with polyethylene, polypropylene, or acrylates. If you wouldn’t eat it, don’t put it on your skin.

You’re not powerless in the face of environmental microplastic exposure. With every plastic-free choice you make, from what you store your food in to how you wash your clothes, you’re protecting your health, your hormone balance, and your long-term resilience.

FAQs About Okra and Fenugreek for Removing Microplastics from Water

Q: How do okra and fenugreek remove microplastics from water?

A: These two plants contain natural polysaccharides — long sugar chains — that act like sticky nets. When added to water, they bind microplastic particles together through a process called “bridging.” This makes the particles heavier so they settle to the bottom, allowing cleaner water to be poured off or filtered. Fenugreek was most effective in groundwater, okra worked best in seawater and the combination excelled in freshwater.

Q: Are okra and fenugreek more effective than synthetic water treatment chemicals?

A: Yes. In the study published by ACS Omega, fenugreek removed up to 93% of microplastics, while okra achieved 80% removal in seawater.6 Their combination cleared about 77% from freshwater. By comparison, polyacrylamide — the most common synthetic treatment — only removed 54% under the same conditions.

Q: What kind of water filter do I need to remove microplastics from tap water?

A: To effectively remove microplastics, your filter needs to handle particles smaller than 5 microns. Look for systems that use sub-micron carbon block filters or ceramic filters specifically rated for microplastic removal. Standard pitcher filters and faucet attachments won’t do the job. If you have hard water, boiling it for five minutes before use also removes 80% of microplastics.

Q: What else can I do to avoid microplastic exposure?

A: Avoid bottled water in plastic and don’t microwave food in plastic containers. Use glass or stainless steel for food storage, switch to wooden cutting boards and choose clothing made from natural fibers like cotton or wool. Install a water filter certified to remove sub-5-micron particles, and use a microfiber-catching bag when washing synthetic clothes.

Q: Why are microplastics dangerous to human health?

A: Microplastics act as sponges for toxic chemicals like pesticides, heavy metals, and hormone disruptors. Once ingested, they damage your gut lining, cross into your bloodstream, and accumulate in organs. They’ve been found in human blood, lungs, and placentas, posing long-term risks to metabolic, hormonal, and immune health.

A New Series of Health Insights Is on the Way

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A New Series of Health Insights Is on the Way
Our team has been working behind the scenes to prepare new research and practical health strategies for our readers. While we finish preparing what’s coming next, we invite you to explore one of the most-read articles from our library below. See exactly what’s changing →

The organic food industry has grown tremendously over the past few decades, but concerns remain about the integrity of organic labeling and certification. In my eye-opening interview with organic industry watchdog Mark Kastel, he discusses the challenges facing organic consumers and farmers, offering insights on how to find truly healthy, ethically produced food.

Kastel co-founded The Cornucopia Institute, which celebrates its 20th anniversary in 2024, and is also executive director and founder of OrganicEye. He notes that while the 1990 Organic Foods Production Act was well-intentioned, its implementation has been problematic:1

“Congress, in 1990, passed the organic foods production act. It gave the USDA [U.S. Department of Agriculture] the responsibility to protect industry stakeholders, so farmers, ethical business people and eaters, consumers, protect them from unfair competition and fraud. And the legislation itself is really pretty solid and well-intended.

Unfortunately, like a lot of things that happen, it gets handed over to the bureaucrats in Washington and the political appointees of both parties. Something gets lost in translation.”

Kastel explains that, initially, the USDA was resistant to regulating organic food, viewing it as just a “marketing scheme.” However, as the U.S. organic food industry has grown to $61.7 billion annually,2 large agribusiness corporations have bought out many pioneering organic brands.

This has led to efforts to make organic certification less rigorous and more profitable. Globally, the organic industry is now a $205.9 billion industry, projected to reach a worth of $532.72 billion by 2032.3

The 2 Faces of Organic

> > > > > Click Here

A few days. That’s all it took for a refined, fiber-stripped diet to measurably damage emotional memory in aging brains, according to research published in the journal Brain, Behavior, and Immunity.1 That finding overturns a widespread belief — that you need years of poor eating before your brain pays the price. The researchers set out to answer a specific question — is it the fat, the sugar, or something else entirely about refined diets that harms the aging brain?

Their answer pointed to a nutritional gap, and what followed was a chain of biological consequences stretching from the gut to deep inside brain cells, revealing how quickly modern processed foods undermine the systems that keep your memory sharp. Those discoveries prompted researchers to investigate exactly how refined diets disrupt emotional memory and why the aging brain responds so strongly to this nutritional pattern.

Refined Fiber-Free Diets Quickly Weaken Emotional Memory in Aging Brains

For the study, researchers examined how refined diets influence memory and brain cell function in both young and older animals.2 The research team fed animals several types of refined diets that varied in fat and sugar levels but shared a key characteristic — they contained no dietary fiber. Their goal was to determine whether specific nutrients or the refined nature of the diet itself drives rapid changes in brain function.

The findings revealed that the absence of fiber, not the amount of fat or sugar, strongly influenced memory changes in older brains. Researchers also evaluated brain cell energy production, immune activity, and molecular signaling pathways to identify the biological reasons behind these effects.

• Older brains showed rapid memory decline after exposure to refined diets — After only a short period on the refined diets, the older animals displayed clear impairments in emotional memory, a type of memory governed by the amygdala, a small almond-shaped brain structure that processes emotional learning. Younger animals eating the same diets showed far fewer problems, which highlights how aging increases vulnerability to poor dietary patterns.

Without fiber, the aging brain lost its grip on emotional memories — the very experiences that teach us what to avoid and what to trust. Researchers observed that every refined diet tested produced similar impairments in amygdala-dependent memory.

According to researcher Ruth Barrientos with The Ohio State University, “The amygdala is important for learning the association between something fearful and a bad outcome. And we found that all of the refined diets … impaired memory that’s governed by the amygdala.”3

• Fiber deficiency stood out as the common factor across all harmful diets — Each diet varied in fat and sugar content, yet every one of them removed dietary fiber. That common thread drew attention to the role of the gut microbiome — the community of bacteria in your digestive tract that relies on fiber as fuel.

When researchers examined the animals’ digestive systems and blood samples, they discovered a sharp drop in butyrate levels. Butyrate is a short-chain fatty acid (SCFA) created when gut bacteria break down fiber. It circulates throughout your body and even reaches your brain, where it influences inflammation and nerve signaling. When fiber disappears from the diet, butyrate production collapses.

The researchers explained that “low butyrate, as a result of a lack of fiber, is a culprit.” That finding might suggest the fix is simple — just add fiber back. But as I explain later, restoring fiber to a damaged gut too quickly can backfire, worsening inflammation instead of resolving it. The solution requires a more careful sequence.

• The emotional memory center of the brain — the amygdala — proved especially sensitive — Emotional memory allows you to connect actions with consequences. It helps you remember painful experiences, recognize threats, and adjust your behavior to avoid danger. When this system fails, your brain loses an important safety mechanism.

The study found that the amygdala showed broad vulnerability to refined diets in older animals, even when the diets contained different fat and sugar levels. In contrast, another memory center called the hippocampus — responsible for spatial and autobiographical memory — declined only under certain diet conditions. This difference shows that emotional memory systems respond faster to poor nutrition than other forms of memory.

• Damage appeared quickly and didn’t require obesity — Many people assume diet harms the brain only after long-term weight gain or metabolic disease develops. The researchers challenged that idea. They observed measurable cognitive problems in the animals after only a short period of refined eating.

Although some weight gain occurred, the brain changes appeared far earlier than obesity. Barrientos emphasized the speed of the effect, stating, “These effects on the brain after you eat something are pretty rapid. You can experience this unhealthy cognitive dysfunction well before you reach obesity.”

How Refined Diets Shut Down Cellular Energy in the Brain

The memory impairments described above raise an important question — what’s actually breaking down inside brain cells to cause this damage? When the researchers looked deeper, they found the problem extends beyond signaling and inflammation. The very machinery that powers brain cells was grinding to a halt.

• Brain immune cells lost the ability to produce energy efficiently — The researchers also investigated what happened inside brain cells themselves. They focused on microglia, specialized immune cells that monitor the brain’s environment and support memory processes. Inside these cells sit mitochondria — tiny structures that generate the energy required for nearly every cellular task.

In the aged animals eating refined diets, the tiny power generators inside brain immune cells slowed down dramatically — producing far less of the energy those cells need to support memory. The mitochondria still functioned, but they produced energy at a much lower rate. That loss of energy interferes with the complex signaling required for memory formation and recall.

• Young brains adapted to dietary stress but aging brains struggled — Another important discovery involved metabolic flexibility, which describes how well cells adjust their energy production when conditions change. It’s similar to how a healthy heart can speed up during exercise and slow down at rest.

Aged brain cells on refined diets lost that adaptability — they were stuck idling and couldn’t rev up when the brain needed more energy. When researchers challenged the brain cells with increased energy demands in laboratory tests, young microglia adapted and maintained their activity.

The aged microglia didn’t respond the same way. Their mitochondria showed limited ability to increase energy production, leaving the cells stuck in a low-power state. This reduced flexibility weakens the brain’s resilience when it faces nutritional stress. For aging adults, this means dietary quality plays a far greater role in maintaining cognitive function.

• Refined diets disrupted key brain proteins tied to memory signaling — The research team also performed proteomic analysis, a method that measures thousands of proteins inside tissues.

They found that refined diets disrupted hundreds of proteins — many involved in producing cellular energy and in transmitting signals between brain cells. One cluster of damaged proteins belonged to the very first step of the mitochondrial energy chain, which means the power system was breaking down at its starting point.

Changes in these proteins weaken energy production and impair the ability of neurons to transmit signals efficiently. The researchers also observed alterations in glutamate receptor signaling, which plays a major role in learning and memory formation. These molecular changes help explain why emotional memory deteriorated so quickly under refined dietary conditions.

Address the Root Cause of Diet-Driven Memory Decline

If you’re over 50 and eating packaged foods, fast food, or anything cooked in seed oils, this research says the damage isn’t waiting for you to become obese or diabetic — it’s happening now, meal by meal. The good news is that the same speed that makes the damage alarming also means the right changes produce fast improvements.

Your brain responds to the food you eat every single day. Refined diets without fiber disrupt gut signaling, lower butyrate production, weaken mitochondrial energy production in brain cells, and damage emotional memory systems in aging brains. That means the root problem isn’t simply aging — it’s metabolic stress created by modern processed foods.

When you remove the foods that sabotage cellular energy and rebuild your gut environment step by step, you restore the biological systems that protect memory. The goal is straightforward: eliminate dietary factors that harm cellular energy, stabilize your gut environment and rebuild your microbiome so it can once again produce compounds like butyrate that protect your brain.

Below are five practical steps that restore the biological systems that support brain health and emotional memory.

1. Remove refined foods and excess linoleic acid (LA) that disrupt gut and brain energy systems — The first step focuses on removing the foods that created the problem in the first place. Highly refined foods starve beneficial gut bacteria, while industrial seed oils flood your tissues with LA, a polyunsaturated fat that interferes with mitochondrial energy production. These oils accumulate in cell membranes and weaken the gut barrier over time.

That creates a biological environment where inflammation spreads more easily and brain energy production declines. If you look closely at processed foods, you’ll find these oils almost everywhere. Soybean oil, corn oil, canola oil, sunflower oil, and similar seed oils dominate packaged foods, restaurant cooking, and processed snacks. They drive excessive LA intake, which alters cellular membranes and interferes with mitochondrial function.

Removing these oils gives your gut lining and brain cells the stability required for repair. Replace them with traditional fats such as grass fed butter, ghee, or tallow. At the same time, eliminate refined snacks, packaged grain products, ultraprocessed frozen meals, and most restaurant fried foods.

These products combine refined carbohydrates with high-LA oils, which creates a metabolic environment that damages both the microbiome and cellular energy systems. A typical day might include pastured eggs cooked in butter, white rice with slow-cooked grass fed beef, and a piece of whole fruit — simple meals that provide energy without gut-disrupting ingredients.

The goal is to get your LA intake below 5 grams, and ideally closer to 2 grams, daily. To track your intake, download the upcoming Pax health platform, which includes the Seed Oil Sleuth feature that calculates LA exposure with precise accuracy.

2. Understand the fiber paradox before dramatically increasing fiber intake — Fiber supports gut and brain health only when the microbial environment is prepared for it. When your gut barrier is damaged or bacterial balance has shifted toward harmful species, fiber intensifies digestive stress instead of resolving it — a phenomenon called the fiber paradox.

Your intestinal lining contains a mucus barrier roughly the thickness of a credit card. That thin layer is both a feeding station for friendly bacteria and a security wall that keeps them at a safe distance from your immune cells. Beneficial bacteria consume complex sugars from your diet while remaining physically separated from your intestinal cells.

When fiber disappears from the diet or the microbiome becomes unstable, those bacteria begin feeding on that mucus barrier instead. As the protective layer thins, bacteria move closer to your immune system. Inflammation becomes far more likely.

Dumping large amounts of fermentable fiber into that environment often worsens symptoms instead of fixing them. Bloating, abdominal pressure, fatigue, and erratic digestion are signals that the gut environment needs stabilization before fiber intake rises.

3. Stabilize your gut environment so beneficial bacteria can produce butyrate again — Butyrate may be the single most important molecule your gut bacteria produce — and refined diets shut down its production fast. Butyrate is produced when microbes ferment certain carbohydrates. It serves as the preferred fuel for the cells that line your colon and plays a powerful role in regulating inflammation.

When fiber disappears from the diet or the microbiome becomes imbalanced, butyrate production drops sharply. That weakens your gut barrier and reduces the signals that normally help regulate inflammation throughout your body and brain.

In the study discussed earlier, refined fiber-free diets dramatically reduced circulating butyrate levels. That drop corresponded with mitochondrial dysfunction in brain immune cells and impaired emotional memory.

Stabilizing your gut environment first — through simpler meals and lower fermentable fiber — reduces excessive bacterial fermentation and the release of endotoxins — bacterial toxins that leak into your bloodstream when the gut barrier weakens. This gives your gut lining time to rebuild the conditions required for beneficial butyrate-producing bacteria to return.

4. Build carbohydrate intake on gentle foods that support metabolic repair — Your brain requires steady glucose to maintain cellular energy production. Most adults function best with roughly 250 grams of carbohydrates daily once metabolic stability improves. The key is introducing those carbohydrates in forms your gut can tolerate.

Whole fruits and well-cooked starches such as white rice provide glucose for mitochondrial energy production without overwhelming a compromised microbiome with heavy fermentation.

This stage stabilizes blood sugar, calms inflammation and gives your intestinal barrier time to repair. As metabolic stability improves, your microbiome becomes far more capable of processing complex carbohydrates that feed butyrate-producing bacteria.

5. Expand fiber diversity gradually to rebuild butyrate production — Once digestion becomes calmer — less bloating, predictable bowel habits, and improved tolerance to meals — your gut environment signals readiness for more fiber. At that stage, expanding plant diversity strengthens microbial balance and increases butyrate production.

Root vegetables typically enter first because they offer moderate fiber with good digestibility. Non-starchy vegetables follow, then starchy vegetables such as squash or sweet potatoes. Beans, legumes, and minimally processed whole grains enter later for individuals who tolerate them well.

Resistant starch foods also help during this phase. Cooked-and-cooled white potatoes or green bananas feed bacteria that specialize in producing butyrate. Butyrate strengthens the intestinal barrier, fuels colon cells, and sends anti-inflammatory signals throughout your body.

As these bacteria multiply, your gut barrier tightens and inflammatory compounds remain contained within your digestive tract. When the rebuilding process unfolds gradually, fiber transforms from a digestive trigger into one of the most powerful tools for restoring gut and brain health.

FAQs About Low-Fiber Diets and Memory

Q: How does a low-fiber diet affect memory in older adults?

A: A low-fiber diet weakens emotional memory systems in the aging brain. Research published in Brain, Behavior, and Immunity found that refined diets lacking fiber impaired amygdala-dependent memory in older animals after only a short period of exposure.4

The amygdala is the brain region responsible for emotional learning — the ability to associate experiences with consequences. When this system weakens, your brain struggles to connect actions with outcomes, which affects decision-making and risk awareness. The study also found that these memory problems occurred regardless of whether the diet was high in fat or sugar. The common factor was the absence of fiber.

Q: Why does fiber matter for brain health?

A: Fiber feeds beneficial gut bacteria that produce SCFAs, including butyrate. Butyrate supports your gut barrier and regulates inflammation throughout your body and brain. When fiber disappears from the diet, butyrate production drops sharply.

In the study, refined fiber-free diets caused a significant decline in circulating butyrate levels, which corresponded with mitochondrial dysfunction in brain immune cells and impaired emotional memory. Fiber helps your microbiome produce molecules that protect brain cells and maintain healthy communication between your gut and brain.

Q: How quickly can a refined diet harm brain function?

A: The damage appears rapidly. Researchers observed measurable cognitive changes in aged animals after only a short period of eating refined diets. These effects occurred long before obesity or long-term metabolic disease developed. According to the study’s authors, cognitive dysfunction triggered by refined foods begins quickly after dietary changes. This finding shows that brain health responds to daily food choices much faster than many people realize.

Q: What role do mitochondria play in memory decline from poor diets?

A: Mitochondria are tiny structures inside cells that produce energy. Brain cells require large amounts of energy to store and retrieve memories. In the study, refined diets caused a significant drop in mitochondrial respiration in microglia, the brain’s immune cells.

This means the cellular power plants slowed down and produced less energy. Older brain cells also showed reduced metabolic flexibility — they struggled to increase energy production when demands increased. That loss of energy disrupts the signaling processes required for memory formation.

Q: What dietary changes help protect brain function and restore gut health?

A: The most effective strategy is to remove refined foods that disrupt the microbiome and replace them with whole foods that support metabolic health. Eliminating ultraprocessed foods and seed oils high in LA helps restore mitochondrial function and gut barrier integrity.

Stabilizing the gut environment first, then gradually reintroducing fiber through whole fruits, root vegetables, and other plant foods helps beneficial bacteria recover. As the microbiome rebuilds, butyrate production rises again, which strengthens the gut barrier and supports healthy brain signaling.

Test Your Knowledge with Today’s Quiz!
Take today’s quiz to see how much you’ve learned from yesterday’s Mercola.com article.

Which statement correctly describes lipolysis?

It stores fat inside cells and prevents releases it during exercise
It slows fatty acid release and releases it in one’s urine
It converts sugar into fat and stores it within body tissues
It breaks down fat and releases fatty acids into the bloodstream
Lipolysis is the process of breaking down stored fat, releasing fatty acids into the bloodstream, especially during rapid weight loss or energy demand. Learn more.

A New Series of Health Insights Is on the Way

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A New Series of Health Insights Is on the Way
Our team has been working behind the scenes to prepare new research and practical health strategies for our readers. While we finish preparing what’s coming next, we invite you to explore one of the most-read articles from our library below. See exactly what’s changing →

In today’s highly industrialized world, the global population is exposed to toxic substances. From pesticides to additives found in food, your body is facing an assault on all fronts.

To make matters worse, heavy metals, which come from practically anywhere, are undermining your health. These naturally occurring elements impede important cellular functions, making optimal liver health — as well as familiarizing yourself with other natural detox methods — even more important.

The Liver — The First Line of Defense Against Toxins

What does the liver have to do with removing heavy metals? As it turns out, it metabolizes heavy metals, which are transported into your intestines via bile. From there, toxins are excreted.1

• The primary filtration system — According to Columbia Surgery, “All the blood leaving the stomach and intestines passes through the liver, which removes toxins, byproducts and other harmful substances.”2

• Choline is key for a healthy liver — Choline is a nutrient produced by your liver in small amounts, but you also need to get enough of it from your diet. This is important because if you have a choline deficiency, your risk for fatty liver disease (FLD) increases. For context, your liver turns choline into phosphatidylcholine, which is used to transport fat away from the liver.3

When you have FLD, it triggers inflammation and oxidative stress that damage liver cells. Once the liver becomes damaged due to fat accumulation, it will not be able to perform at its best, including its ability to detoxify heavy metals.

• Boost your choline levels for a healthy liver — To keep your liver healthy, it’s important to take steps that prevent fat accumulation. One way to do that is by increasing your choline intake, which is found in one of the healthiest foods you can eat — pasture-raised eggs.

Another way to boost your choline intake is to take a citicoline supplement. The reason why I prefer this is because other forms of choline supplements have poor bioavailability. I have written a study about this topic, which I will share with you in the near future.

Now, if your liver is healthy, you don’t need to undergo an extensive detox plan because your liver will be able to do the heavy lifting. But if this isn’t the case, I’ll go over several natural strategies below to help you safely detox while you work to improve your liver health.

What Are Heavy Metals?

Heavy metals are elements found in the environment that have a high density or atomic weight.4 While commonly found in nature, they’ve become more prevalent due to industrial or agricultural practices, which release them into air, soil, and water. The most common examples are listed below:5,6

• Not all heavy metals are equal — Some heavy metals like zinc and iron are beneficial to human health (in trace amounts) but become toxic when there’s too much in your body. Conversely, some heavy metals are downright harmful to your body and serve no biological purpose.

• Sources of heavy metal exposure — Heavy metals enter your body in different ways. Common examples include vehicle emissions, wastewater, smoking cigarettes, and food.

• Symptoms of heavy metal toxicity — When heavy metals become elevated in your body, gastrointestinal symptoms such as nausea, vomiting, abdominal pain, and diarrhea appear. Tingling in your hands and feet, chills, muscle weakness, memory loss may also appear.

Diagnosing Heavy Metal Toxicity

Testing for heavy metal toxicity is often challenging because it presents general symptoms. To come up with an accurate diagnosis, your doctor will ask you to outline your diet, general lifestyle, and work environment:7

• Blood tests help detect heavy metal toxicity — A blood test is usually the first step in confirming heavy metal toxicity. Your doctor will ask you to stop eating fish and shellfish for two days because these foods typically contain mercury. Note, however, that blood tests do not always paint an accurate picture. That’s because certain heavy metals are removed from your system quickly while some are stored in your tissues.

• Other tests are also done — If your blood work shows medium to low levels of heavy metals but you’re still showing symptoms, other samples will be needed. Your urine, hair, skin, and fingernails will be tested to ensure accurate diagnosis.

• Downside of blood tests — While blood tests provide an overview of your blood composition, the American College of Medical Toxicology warns against regular heavy metal testing because most people have trace amounts in their system all the time.

Common Strategies to Detox Heavy Metals

Once heavy metal toxicity has been confirmed, several strategies are employed to put your health back on the right track:8

• Chelation therapy — If imminent treatment for heavy metal toxicity is needed, your doctor will administer chelating agents that bind to toxins and remove them from your system. However, as I wrote in a previous article, it is quite costly and needs to be done under the guidance of an expert to avoid severe side effects.

• Dietary changes — Switching to a healthier diet will provide your body the defense it needs against the effects of heavy metals. For example, leafy greens contain folate that help with arsenic metabolism. Vitamin C found in various fruits and vegetables also help protect your tissues from heavy metal damage.

• Supplements — Research shows that certain supplements will help manage heavy metal toxicity. For example, a study published in 2022 noted that probiotics act as a binder to heavy metals, are then removed via excretion.9

In a 2020 meta-analysis, researchers noted that spirulina helps alleviate heavy metal toxicity in humans, particularly arsenic, cadmium, lead, and mercury.10 Another study noted that curcumin helps protect against heavy metal-induced lipid peroxidation.11

• Lifestyle changes — While the strategies listed above will help, research shows that exercise is an effective way to remove heavy metals from your body. The great thing about this approach is that you can implement it right away, and it doesn’t cost you a single cent. I’ll discuss the benefits of this approach in greater detail below.

Purge Heavy Metals with This 3-Step Detox Plan

Initiating a heavy metal detox plan will do wonders for your health. However, doing it haphazardly won’t maximize results. I recommend you follow this three-step plan:

1. Cleanse and clear your gastrointestinal (GI) tract — I recommend you use charcoal to bind endotoxins, as well as calcium bentonite clay to capture aflatoxins. Ideally, you’ll want to use a combination of all to cover all your bases. Make sure to support your kidneys and liver, as these are crucial detox organs — herbs like dandelion and burdock work well in this regard.

2. Optimize your glutathione levels — Glutathione is your body’s front-line defender and primary detoxifier, especially when it comes to clearing mercury and other heavy metals from tissues. Boosting your glutathione production helps your body neutralize and eliminate these toxins more effectively.

When everything is running smoothly, it’s usually better to support your body’s own glutathione production by taking precursors like N-acetylcysteine (NAC). But in cases where your body needs more direct support — or you’re dealing with elevated toxic burden — supplementing with glutathione itself can be a powerful strategy.

Most standard oral glutathione supplements fall short because your body breaks them down before they can be absorbed. That’s where advanced delivery systems come in.

3. Nanoliposomal glutathione is taken under the tongue for rapid, high-impact support — This sublingual route bypasses your digestive tract entirely, sending glutathione straight into your bloodstream. Clinical studies show it delivers up to three times more glutathione into circulation compared to regular oral forms. You’ll feel the difference quickly, making this option ideal when you need a fast antioxidant boost — like during acute detox, illness, or high-stress periods.

4. For steady, long-term support, liposomal oral glutathione is a strong choice — Liposomal encapsulation protects glutathione from being destroyed in your gut, increasing how much actually gets into your system. While its absorption isn’t as fast as sublingual forms, it’s a practical daily tool to maintain healthy levels over time and support immune health, mitochondrial function, and detox resilience.Whichever form you choose, the goal is the same: give your body the glutathione it needs to clean house, fight oxidative stress, and keep you running strong.

5. Upregulate Nrf2 levels — Nrf2 is a transcription factor that turns on genes that help your cells fight against toxins and oxidative stress,12 making it an important part of a heavy metal detox plan. To upregulate it, use R-lipoic acid (also called R-alpha-lipoic acid), polyphenols, and sulfur-based compounds found in cruciferous vegetables and alliums. Haritaki, an Ayurvedic herb, is also helpful, as well as sulforaphane and allicin from garlic.

If you’ve implemented this three-step detox plan and you’re not feeling well, that means you need to remove more toxins out of your GI tract and blood. But before you do it, pull back on upregulating Nrf2 and take more GI binders as well as herbs that support your liver and kidneys. Don’t forget to drink plenty of water, and when you’re feeling better again, restart your Nrf2 upregulators.

Finally, remember that detoxing is a marathon and not a sprint. Start with low doses and work your way up. The entire process will take anywhere from three to 12 months, and sometimes it takes longer. Shade also recommends pulsing your detox or else it will lose its effectiveness.

Exercise and Sauna — Effective Adjuncts for Heavy Metal Detoxification

Regular exercise is one of the healthiest habits you can adopt. It’s been shown to help improve sleep quality and sleep disorders, improve cancer survival, and boost brain health.

Now, a study published in the Journal of Thermal Biology shows that sweating is a natural and effective way to detox your body from heavy metals.13 The researchers selected 29 men who were divided into two groups — test and control. The test group went through nine sessions of high-heat temperature combined with exercise, mimicking scenarios where individuals will use saunas or engage in exercise enhance detoxification.

• Sweating significantly boosted lead excretion — Compared to the control group, the test group showed that sweating effectively detoxes heavy metals through your skin. When the group was also subjected to sauna baths, urinary cadmium levels rose.

• The most efficient detox route is sweating — A supporting study noted that the human body eliminates heavy metals via different pathways, and that sweating produced higher concentrations of heavy metals like chromium, zinc, and lead compared to urine.14

• Repeated heat exposure enhances the excretion process — After completing nine sessions, the test group participants were able to remove lead and cadmium better from their bodies. This finding shows the importance of committing to a regular exercise regimen along with sauna sessions to boost your overall health.

The great thing about sweating is that it goes beyond heavy metal detoxification. For example, sweating boosts skin health, body temperature regulation, and cardiovascular function. So, don’t be afraid to get sweaty every now and then — it’s good for you in many ways.

How to Incorporate Sweating Into Your Detox Routine

The three-step detox plan I outlined earlier is one piece of the puzzle. According to published research, sweating through regular exercise and sauna sessions is an effective “chelator” of heavy metals, so to speak. Not to mention, your overall health improves when you work up a sweat. But, like detoxing, exercise needs to be done in a methodological way to maximize your results. Here are my recommendations:

1. Incorporate small amounts of high-intensity training — While I have espoused the importance of moderate-intensity exercise for overall health, engaging in high-intensity exercise for up to 75 minutes a week is effective for removing heavy metals. I don’t recommend going beyond 75 minutes, as you will begin to lose the longevity benefits and harm your health further.

2. Support exercise with sauna — Like exercise, saunas are great for detoxing heavy metals because of the amount of sweat you produce. If you haven’t been to a sauna, I recommend keeping your sessions to 20 to 30 minutes to prevent your body from overheating and becoming dehydrated. In addition, make sure to drink enough water before entering the sauna, and rehydrate when stepping out. Don’t forget to add electrolytes to your water as well.

3. Combine exercise with sauna for maximum benefits — Both exercise and sauna are good for your health in their own ways. But combined, the results will synergize and amplify your body’s ability to detox toxins because you’re constantly sweating.

I recommend you alternate between sweat-inducing exercise and sauna sessions throughout the week. Alternatively, you can do a quick sauna session right after exercising to maximize your body’s detox capabilities. Make sure to drink enough water and replenish lost electrolytes.

4. Monitor your body and adjust the process as needed — Pay attention to your body’s response once you’ve started exercising and going into a sauna. Most importantly, remember the signs of dehydration — dizziness, excessive fatigue.

Frequently Asked Questions (FAQs) About Detoxifying Heavy Metals from Your Body

Q: What are heavy metals and how do they affect my body?
A: Heavy metals are naturally occurring elements with high density or atomic weight. While some are essential for human health in trace amounts (like iron and zinc), others such as lead, mercury, and arsenic are toxic and serve no beneficial purpose in the body.

Due to industrial and agricultural activities, humans are increasingly exposed to heavy metals through air, water, food, and even cigarette smoke. These toxins disrupt cellular functions and lead to a wide range of symptoms including nausea, memory loss, muscle weakness, and tingling in the extremities.

Q: How is heavy metal toxicity diagnosed?
A: Diagnosing heavy metal toxicity is tricky due to its nonspecific symptoms. Physicians typically begin with a lifestyle assessment, followed by a blood test. However, blood tests don’t reflect long-term exposure, as some metals quickly leave the bloodstream and accumulate in tissues. For a more comprehensive view, additional tests using urine, hair, skin, and fingernails are often necessary.

Q: What are the most effective detox strategies for heavy metals?
A: Follow this three-step detox plan:

1. Cleanse your GI tract — Use thiol-functionalized silica (e.g., IMD) or alternatives like chlorella. Then, add charcoal and bentonite clay to bind and eliminate toxins. This ensures that you have a wide range of binders.
2. Boost your glutathione levels — Support your body’s main detox binders using NAC or nanoliposomal glutathione.
3. Activate Nrf2 pathways — Use compounds like R-lipoic acid, polyphenols, and cruciferous vegetables to stimulate your body’s natural detox genes.

Q: How do exercise and sauna therapy support heavy metal detox?
A: Sweating through regular exercise and sauna sessions significantly aids in removing heavy metals such as lead, cadmium, and chromium. Research shows that sweat contains higher concentrations of heavy metals compared to urine.

Combining high-intensity training (up to 75 minutes weekly) with sauna use (20 to 30 minutes per session) enhances detox results. Both methods are supported with adequate hydration and electrolyte replenishment.

Q: What precautions should I take during a detox program?
A: Detox is a marathon, not a sprint. Start with small doses of supplements or binders, monitor your body’s response, and scale up gradually. Be vigilant for signs of dehydration or fatigue, especially during sauna or exercise sessions. If symptoms worsen, it may be necessary to reduce Nrf2 stimulation and increase GI tract support temporarily. Hydration and liver/kidney support are crucial throughout the process.

A New Series of Health Insights Is on the Way

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A New Series of Health Insights Is on the Way
Our team has been working behind the scenes to prepare new research and practical health strategies for our readers. While we finish preparing what’s coming next, we invite you to explore one of the most-read articles from our library below. See exactly what’s changing →

Your immune system has many methods of keeping your body safe. One prominent part of it is the lymphatic system, which contains specialized tissues called lymph nodes positioned throughout your body. Lymphatic fluid passes through these nodes, filtering out foreign invaders such as viruses and bacteria.1

What’s interesting about the lymphatic system is that it has a subnetwork — the glymphatic system — to keep the brain healthy. Cerebrospinal fluid (CSF) travels throughout this system, flushing out waste products produced by your brain, such as proteins linked to Alzheimer’s disease and Parkinson’s disease. Now, research shows that you can optimize this function further by massaging your lymph nodes.2

Gentle Neck Pulses Dramatically Boost Brain Drainage

Research published in Nature investigated whether gentle, rhythmic pulses applied to the skin of the neck could increase the drainage of CSF. The study was conducted by a team from Yale University, which used animal models.3

Healthy samples were chosen specifically because their lymphatic drainage systems closely mimic human anatomy. Using advanced imaging techniques, researchers were able to precisely measure the rate at which a fluorescent tracer dye, infused directly into CSF, exited the brain and entered cervical lymph nodes.

• The benefits were immediate — Within just one hour of gentle neck stimulation, the rate of fluid drainage doubled compared to control groups. While fluid drainage continued to remain elevated after this period, the greatest improvements in lowering pressure and enhancing clearance of harmful substances happened rapidly after stimulation began.

This substantial improvement in drainage speed translated directly into decreased intracranial pressure, which is the pressure inside your skull. When intracranial pressure is too high, it can result in headaches, dizziness, confusion, or more serious neurological issues.

• The improvement was most pronounced in lymphatic drainage efficiency — Before the treatment, the clearance rate of CSF was relatively slow, allowing harmful substances to accumulate. After neck pulses, researchers reported fluid clearance rates increased by more than 100%, effectively doubling the brain’s waste-removal capabilities.

In essence, gentle pulses on the neck enhanced the frequency and strength of these contractions, creating a more efficient “pump” action. This powerful yet gentle motion quickly cleared excess fluid, reduced pressure buildup, and removed harmful waste proteins from brain tissues.

• The biological mechanisms explained — Tests show that the benefits primarily lie in the structure and responsiveness of lymphatic vessels in the neck. According to the researchers, gently pulling and stretching the skin activated specific lymph channels, essentially widening them.

At a microscopic level, mechanical stretching caused endothelial cells — the thin lining inside lymph vessels — to realign and expand, directly increasing the diameter of these vessels. A wider channel means CSF flows more easily and rapidly, significantly speeding up drainage from the brain.

Sleep Is a Powerful Adjunct for Optimal Glymphatic Function

In a study published in Biomedicines, researchers examined the relationship between sleep quality, aging, memory function, and the efficiency of your glymphatic system. The researchers selected adults across various age groups, examining healthy older adults, adults experiencing cognitive decline, and those diagnosed with Alzheimer’s disease.4

The team found a link between the quality and depth of sleep and the brain’s ability to efficiently clear away toxic proteins, specifically beta-amyloid and tau proteins, which are associated with memory loss and Alzheimer’s. Adults with impaired sleep or fragmented rest had significantly reduced glymphatic activity, which directly correlated with declining memory and cognitive function.

• Deep sleep boosted the clearance of harmful brain proteins — During deep sleep, which is characterized by slow, rhythmic brain waves, the glymphatic system shifted into high gear, actively flushing beta-amyloid and tau proteins out of brain tissues. According to the researchers, just one hour of deep sleep markedly increased glymphatic clearance, making sleep quality one of the most important factors in maintaining a healthy, resilient brain as you age.

• Memory and cognitive sharpness improved — The research showed that participants who regularly experienced uninterrupted deep sleep had significantly lower levels of harmful proteins building up in their brains. As a result, these individuals showed less age-related memory loss and stronger cognitive performance compared to those who suffered from poor sleep. Simply put, good sleep protects your memory by literally washing your brain clean of toxic waste.

• Nighttime sleep provided the most robust improvements in glymphatic activity — Tests showed that irregular sleep schedules or staying awake late into the night could severely limit the effectiveness of the glymphatic system’s cleansing process. In contrast, establishing consistent sleep patterns was strongly linked to improved cognitive health and memory preservation.

Interestingly, the greatest benefits appeared among adults who already had noticeable symptoms of mild cognitive impairment. For this group, enhancing sleep quality significantly slowed cognitive decline and even reversed some early memory problems.

• Quality sleep is the most important factor — The researchers carefully compared different variables influencing glymphatic function, including aging, sleep disruption, and levels of toxic proteins in the brain.

They found that disrupted sleep had a more immediate and severe negative impact on glymphatic function compared to aging alone. While aging gradually slowed this waste-clearing system, poor sleep rapidly accelerated its decline, underscoring how important good sleep habits are for protecting your brain against memory loss and cognitive impairment.

• A closer look at the glymphatic system — The researchers identified astrocytes — star-shaped brain cells — as critical players in glymphatic function. Astrocytes surround blood vessels in your brain and have special channels known as aquaporin-4, acting as tiny gates that regulate fluid flow.

During deep sleep, these channels become aligned, dramatically increasing fluid movement through brain tissue and efficiently clearing harmful proteins. When sleep is disrupted, these channels lose alignment, drastically slowing fluid clearance and allowing waste products to accumulate.

• How aging disrupts these astrocyte channels — Older brains typically have less organized aquaporin-4 channels, making fluid clearance less efficient. However, regular deep sleep strongly counteracts these age-related changes, helping realign aquaporin-4 channels and boosting glymphatic flow. Essentially, quality sleep is a powerful way to keep your brain young by maintaining these critical fluid pathways and protecting your memory as you age.

• Disrupted circadian rhythms severely compromised glymphatic function — Restoring a natural circadian pattern, through regular sleep routines and exposure to morning sunlight, dramatically improved the brain’s ability to cleanse itself.

Based on the research, it’s clear that optimizing your sleep quality will have a protective effect on brain function. That said, I believe that getting restful sleep is a cornerstone of optimal health.

If you’re having trouble falling asleep faster or staying asleep longer, there are many ways to address them. For in-depth recommendations, read “Sleepmaxxing — Will This Viral TikTok Trend Help or Hinder Your Sleep?” There, I provide several strategies that can help you boost your sleep quality.

Your Body Has 6 Lymphatic Points

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