{"id":164143,"date":"2026-05-05T01:00:00","date_gmt":"2026-05-05T00:00:00","guid":{"rendered":"https:\/\/watchman.news\/2026\/05\/prebiotics-influence-gut-bacteria-that-raise-brain-gaba-levels\/"},"modified":"2026-05-05T05:15:59","modified_gmt":"2026-05-05T05:15:59","slug":"prebiotics-influence-gut-bacteria-that-raise-brain-gaba-levels","status":"publish","type":"post","link":"https:\/\/watchman.news\/pl\/2026\/05\/prebiotics-influence-gut-bacteria-that-raise-brain-gaba-levels\/","title":{"rendered":"Prebiotics Influence Gut Bacteria That Raise Brain GABA Levels"},"content":{"rendered":"
\n
\n
\n
\n<\/p>\n

A New Series of Health Insights Is on the\u00a0Way<\/p>\n<\/div>\n

\n
WA\u017bNY<\/div>\n
\n

A New Series of Health Insights Is on the\u00a0Way<\/p>\n

Our team has been working behind the scenes to prepare new research and practical health strategies for our readers. While we finish preparing what\u2019s coming next, we invite you to explore one of the most-read articles from our library below. See exactly what’s changing \u2192<\/a>\n<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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.<\/p>\n

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.<\/p>\n

In fact, research published in NPJ Science of Food shows that specific types of prebiotics \u2014 not just probiotics \u2014 raise GABA levels in your gut and, more importantly, in your brain.1<\/span><\/sup> That matters because GABA doesn’t just help you relax \u2014 it helps regulate everything from mood to cognition to immune responses.<\/p>\n

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.<\/p>\n

The root cause could be in your microbiome \u2014 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.<\/p>\n

\n
\n<\/figure>\n<\/div>\n

Prebiotics Alter Gut Bacteria to Boost GABA in Your Brain<\/h2>\n

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<\/a> and homocarnosine \u2014 a compound found mainly in the brain that’s made from GABA and helps keep your brain cells healthy and your mind sharp.2<\/span><\/sup> While probiotics have been shown to increase gut and brain GABA, researchers wanted to know whether prebiotics could do the same \u2014 and how they might do it.<\/p>\n

\n

\u2022 <\/span>The study used adolescent mice and looked at brain and gut outcomes \u2014<\/strong> 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.<\/p>\n

\u2022 <\/span>FOS and enzymes raised brain GABA levels in multiple regions \u2014<\/strong> All three treatments \u2014 FOS, lipase, and protease \u2014 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.<\/p>\n

\u2022 <\/span>Homocarnosine, a GABA-based brain peptide, also increased \u2014<\/strong> 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.<\/p>\n

\u2022 <\/span>GABA didn’t rise in the bloodstream, hinting at a non-blood-based communication route \u2014<\/strong> 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.<\/p>\n<\/div>\n

Beneficial Bacteria Increased Along with GABA<\/h2>\n

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.<\/p>\n

\n

\u2022 <\/span>Other bacterial strains dropped \u2014 and that’s a good thing \u2014<\/strong> 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.<\/p>\n

\u2022 <\/span>FOS had the strongest effect on gut environment \u2014<\/strong> 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 \u2014 microbial phyla linked to metabolic health \u2014 and decreased Firmicutes, a group often associated with inflammation when out of balance.<\/p>\n

\u2022 <\/span>Aspergillus enzymes also acted like prebiotics by reshaping the gut microbiome \u2014<\/strong> 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.<\/p>\n

\u2022 <\/span>Bacterial shifts were linked directly to neurotransmitter levels \u2014<\/strong> Using correlation analysis, researchers found that specific bacterial populations \u2014 especially Akkermansia, Parabacteroides, and Flavonifractor \u2014 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.<\/p>\n<\/div>\n

How to Restore GABA Balance by Healing Your Gut<\/h2>\n

If your mental energy feels unstable \u2014 too wired during the day, too restless at night \u2014 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:<\/p>\n

\n

1. <\/span>Don’t jump into prebiotics if your gut is inflamed \u2014<\/strong> 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.<\/p>\n

2. <\/span>Wait until symptoms stabilize before adding fermentable carbs \u2014<\/strong> Most people rush into fiber<\/a> 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.<\/p>\n

3. <\/span>Support GABA with food-based prebiotics \u2014 at the right time \u2014<\/strong> 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.<\/p>\n

4. <\/span>Reinforce brain GABA with fermented foods and targeted supplements \u2014<\/strong> 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.<\/p>\n

5. <\/span>Use natural progesterone to amplify GABA’s calming effects \u2014<\/strong> 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.<\/p>\n<\/div>\n

FAQs About Prebiotics and GABA<\/h2>\n
\n
\n

Q: How does your gut microbiome affect GABA levels in your brain?<\/span><\/strong><\/p>\n

A: <\/strong>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.<\/p>\n<\/div>\n

\n

Q: What are the best prebiotics for boosting brain GABA?<\/span><\/strong><\/p>\n

A: <\/strong>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.<\/p>\n<\/div>\n

\n

Q: Should you take prebiotics if your gut is inflamed or compromised?<\/span><\/strong><\/p>\n

A: <\/strong>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.<\/p>\n<\/div>\n

\n

Q: What natural strategies help increase GABA besides prebiotics?<\/span><\/strong><\/p>\n

A: <\/strong>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.<\/p>\n<\/div>\n

\n

Q: What does homocarnosine do, and why is it important?<\/span><\/strong><\/p>\n

A: <\/strong>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.<\/p>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

A New Series of Health Insights Is on the\u00a0Way<\/p>\n

WA\u017bNY<\/p>\n

A New Series of Health Insights Is on the\u00a0Way
\nOur team has been working behind the scenes to prepare new research and practical health strategies for our readers. While we finish preparing what\u2019s coming next, we invite you to explore one of the most-read articles from our library below. See exactly what’s changing \u2192<\/p>\n

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.<\/p>\n

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.<\/p>\n

In fact, research published in NPJ Science of Food shows that specific types of prebiotics \u2014 not just probiotics \u2014 raise GABA levels in your gut and, more importantly, in your brain.1 That matters because GABA doesn’t just help you relax \u2014 it helps regulate everything from mood to cognition to immune responses.<\/p>\n

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.<\/p>\n

The root cause could be in your microbiome \u2014 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.<\/p>\n

Prebiotics Alter Gut Bacteria to Boost GABA in Your Brain<\/p>\n

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 \u2014 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 \u2014 and how they might do it.<\/p>\n

\u2022 The study used adolescent mice and looked at brain and gut outcomes \u2014 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.<\/p>\n

\u2022 FOS and enzymes raised brain GABA levels in multiple regions \u2014 All three treatments \u2014 FOS, lipase, and protease \u2014 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.<\/p>\n

\u2022 Homocarnosine, a GABA-based brain peptide, also increased \u2014 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.<\/p>\n

\u2022 GABA didn’t rise in the bloodstream, hinting at a non-blood-based communication route \u2014 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.<\/p>\n

Beneficial Bacteria Increased Along with GABA<\/p>\n

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.<\/p>\n

\u2022 Other bacterial strains dropped \u2014 and that’s a good thing \u2014 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.<\/p>\n

\u2022 FOS had the strongest effect on gut environment \u2014 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 \u2014 microbial phyla linked to metabolic health \u2014 and decreased Firmicutes, a group often associated with inflammation when out of balance.<\/p>\n

\u2022 Aspergillus enzymes also acted like prebiotics by reshaping the gut microbiome \u2014 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.<\/p>\n

\u2022 Bacterial shifts were linked directly to neurotransmitter levels \u2014 Using correlation analysis, researchers found that specific bacterial populations \u2014 especially Akkermansia, Parabacteroides, and Flavonifractor \u2014 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.<\/p>\n

How to Restore GABA Balance by Healing Your Gut<\/p>\n

If your mental energy feels unstable \u2014 too wired during the day, too restless at night \u2014 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:<\/p>\n

1. Don’t jump into prebiotics if your gut is inflamed \u2014 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.<\/p>\n

2. Wait until symptoms stabilize before adding fermentable carbs \u2014 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.<\/p>\n

3. Support GABA with food-based prebiotics \u2014 at the right time \u2014 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.<\/p>\n

4. Reinforce brain GABA with fermented foods and targeted supplements \u2014 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.<\/p>\n

5. Use natural progesterone to amplify GABA’s calming effects \u2014 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.<\/p>\n

FAQs About Prebiotics and GABA<\/p>\n

Q: How does your gut microbiome affect GABA levels in your brain?
\nA: 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.<\/p>\n

Q: What are the best prebiotics for boosting brain GABA?
\nA: 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.<\/p>\n

Q: Should you take prebiotics if your gut is inflamed or compromised?
\nA: 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.<\/p>\n

Q: What natural strategies help increase GABA besides prebiotics?
\nA: 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.<\/p>\n

Q: What does homocarnosine do, and why is it important?
\nA: 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.<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"seo_booster_metabox":"","footnotes":""},"categories":[3562,3892],"tags":[],"class_list":["post-164143","post","type-post","status-publish","format-standard","hentry","category-baptism-confirmation","category-dr-mercola-daily-news"],"yoast_head":"\nPrebiotics Influence Gut Bacteria That Raise Brain GABA Levels - Watchman News<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/articles.mercola.com\/sites\/articles\/archive\/2026\/05\/05\/prebiotics-gut-microbiome-boost-brain-gaba.aspx\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Prebiotics Influence Gut Bacteria That Raise Brain GABA Levels - Watchman News\" \/>\n<meta property=\"og:description\" content=\"A New Series of Health Insights Is on the\u00a0Way IMPORTANT A New Series of Health Insights Is on the\u00a0Way Our team has been working behind the scenes to prepare new research and practical health strategies for our readers. While we finish preparing what\u2019s coming next, we invite you to explore one of the most-read articles from our library below. See exactly what's changing \u2192 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 \u2014 not just probiotics \u2014 raise GABA levels in your gut and, more importantly, in your brain.1 That matters because GABA doesn't just help you relax \u2014 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 \u2014 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 \u2014 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 \u2014 and how they might do it. \u2022 The study used adolescent mice and looked at brain and gut outcomes \u2014 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. \u2022 FOS and enzymes raised brain GABA levels in multiple regions \u2014 All three treatments \u2014 FOS, lipase, and protease \u2014 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. \u2022 Homocarnosine, a GABA-based brain peptide, also increased \u2014 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. \u2022 GABA didn't rise in the bloodstream, hinting at a non-blood-based communication route \u2014 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. \u2022 Other bacterial strains dropped \u2014 and that's a good thing \u2014 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. \u2022 FOS had the strongest effect on gut environment \u2014 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 \u2014 microbial phyla linked to metabolic health \u2014 and decreased Firmicutes, a group often associated with inflammation when out of balance. \u2022 Aspergillus enzymes also acted like prebiotics by reshaping the gut microbiome \u2014 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. \u2022 Bacterial shifts were linked directly to neurotransmitter levels \u2014 Using correlation analysis, researchers found that specific bacterial populations \u2014 especially Akkermansia, Parabacteroides, and Flavonifractor \u2014 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 \u2014 too wired during the day, too restless at night \u2014 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 \u2014 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 \u2014 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 \u2014 at the right time \u2014 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 \u2014 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 \u2014 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.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/articles.mercola.com\/sites\/articles\/archive\/2026\/05\/05\/prebiotics-gut-microbiome-boost-brain-gaba.aspx\" \/>\n<meta property=\"og:site_name\" content=\"Watchman News\" \/>\n<meta property=\"article:published_time\" content=\"2026-05-05T00:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-05T05:15:59+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/media.mercola.com\/assets\/images\/mercola\/bestarticles-icon.png\" \/>\n<meta name=\"author\" content=\"Admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Napisane przez\" \/>\n\t<meta name=\"twitter:data1\" content=\"Admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Szacowany czas czytania\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 minut\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/articles.mercola.com\/sites\/articles\/archive\/2026\/05\/05\/prebiotics-gut-microbiome-boost-brain-gaba.aspx#article\",\"isPartOf\":{\"@id\":\"https:\/\/watchman.news\/2026\/05\/prebiotics-influence-gut-bacteria-that-raise-brain-gaba-levels\/\"},\"author\":{\"name\":\"Admin\",\"@id\":\"https:\/\/watchman.news\/#\/schema\/person\/3f4506c6002f5893ba45478a4540739f\"},\"headline\":\"Prebiotics Influence Gut Bacteria That Raise Brain GABA Levels\",\"datePublished\":\"2026-05-05T00:00:00+00:00\",\"dateModified\":\"2026-05-05T05:15:59+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/watchman.news\/2026\/05\/prebiotics-influence-gut-bacteria-that-raise-brain-gaba-levels\/\"},\"wordCount\":1607,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/articles.mercola.com\/sites\/articles\/archive\/2026\/05\/05\/prebiotics-gut-microbiome-boost-brain-gaba.aspx#primaryimage\"},\"thumbnailUrl\":\"https:\/\/media.mercola.com\/assets\/images\/mercola\/bestarticles-icon.png\",\"articleSection\":[\"Baptism & Confirmation\",\"Dr Mercola Daily News\"],\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/articles.mercola.com\/sites\/articles\/archive\/2026\/05\/05\/prebiotics-gut-microbiome-boost-brain-gaba.aspx#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/watchman.news\/2026\/05\/prebiotics-influence-gut-bacteria-that-raise-brain-gaba-levels\/\",\"url\":\"https:\/\/articles.mercola.com\/sites\/articles\/archive\/2026\/05\/05\/prebiotics-gut-microbiome-boost-brain-gaba.aspx\",\"name\":\"Prebiotics Influence Gut Bacteria That Raise Brain GABA Levels - Watchman News\",\"isPartOf\":{\"@id\":\"https:\/\/watchman.news\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/articles.mercola.com\/sites\/articles\/archive\/2026\/05\/05\/prebiotics-gut-microbiome-boost-brain-gaba.aspx#primaryimage\"},\"image\":{\"@id\":\"https:\/\/articles.mercola.com\/sites\/articles\/archive\/2026\/05\/05\/prebiotics-gut-microbiome-boost-brain-gaba.aspx#primaryimage\"},\"thumbnailUrl\":\"https:\/\/media.mercola.com\/assets\/images\/mercola\/bestarticles-icon.png\",\"datePublished\":\"2026-05-05T00:00:00+00:00\",\"dateModified\":\"2026-05-05T05:15:59+00:00\",\"author\":{\"@id\":\"https:\/\/watchman.news\/#\/schema\/person\/3f4506c6002f5893ba45478a4540739f\"},\"breadcrumb\":{\"@id\":\"https:\/\/articles.mercola.com\/sites\/articles\/archive\/2026\/05\/05\/prebiotics-gut-microbiome-boost-brain-gaba.aspx#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/articles.mercola.com\/sites\/articles\/archive\/2026\/05\/05\/prebiotics-gut-microbiome-boost-brain-gaba.aspx\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"pl-PL\",\"@id\":\"https:\/\/articles.mercola.com\/sites\/articles\/archive\/2026\/05\/05\/prebiotics-gut-microbiome-boost-brain-gaba.aspx#primaryimage\",\"url\":\"https:\/\/media.mercola.com\/assets\/images\/mercola\/bestarticles-icon.png\",\"contentUrl\":\"https:\/\/media.mercola.com\/assets\/images\/mercola\/bestarticles-icon.png\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/articles.mercola.com\/sites\/articles\/archive\/2026\/05\/05\/prebiotics-gut-microbiome-boost-brain-gaba.aspx#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/watchman.news\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Prebiotics Influence Gut Bacteria That Raise Brain GABA Levels\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/watchman.news\/#website\",\"url\":\"https:\/\/watchman.news\/\",\"name\":\"Watchman News\",\"description\":\"News of Importance for the True Christian Israel\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/watchman.news\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"pl-PL\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/watchman.news\/#\/schema\/person\/3f4506c6002f5893ba45478a4540739f\",\"name\":\"Admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pl-PL\",\"@id\":\"https:\/\/secure.gravatar.com\/avatar\/a4dc65c7d54b24b8fa9d6d4116fd21209e86efe3563858469b00d8bddd033356?s=96&d=mm&r=g\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/a4dc65c7d54b24b8fa9d6d4116fd21209e86efe3563858469b00d8bddd033356?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/a4dc65c7d54b24b8fa9d6d4116fd21209e86efe3563858469b00d8bddd033356?s=96&d=mm&r=g\",\"caption\":\"Admin\"},\"url\":\"https:\/\/watchman.news\/pl\/author\/admin\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Prebiotics Influence Gut Bacteria That Raise Brain GABA Levels - Watchman News","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/articles.mercola.com\/sites\/articles\/archive\/2026\/05\/05\/prebiotics-gut-microbiome-boost-brain-gaba.aspx","og_locale":"pl_PL","og_type":"article","og_title":"Prebiotics Influence Gut Bacteria That Raise Brain GABA Levels - Watchman News","og_description":"A New Series of Health Insights Is on the\u00a0Way IMPORTANT A New Series of Health Insights Is on the\u00a0Way Our team has been working behind the scenes to prepare new research and practical health strategies for our readers. While we finish preparing what\u2019s coming next, we invite you to explore one of the most-read articles from our library below. See exactly what's changing \u2192 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 \u2014 not just probiotics \u2014 raise GABA levels in your gut and, more importantly, in your brain.1 That matters because GABA doesn't just help you relax \u2014 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 \u2014 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 \u2014 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 \u2014 and how they might do it. \u2022 The study used adolescent mice and looked at brain and gut outcomes \u2014 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. \u2022 FOS and enzymes raised brain GABA levels in multiple regions \u2014 All three treatments \u2014 FOS, lipase, and protease \u2014 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. \u2022 Homocarnosine, a GABA-based brain peptide, also increased \u2014 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. \u2022 GABA didn't rise in the bloodstream, hinting at a non-blood-based communication route \u2014 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. \u2022 Other bacterial strains dropped \u2014 and that's a good thing \u2014 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. \u2022 FOS had the strongest effect on gut environment \u2014 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 \u2014 microbial phyla linked to metabolic health \u2014 and decreased Firmicutes, a group often associated with inflammation when out of balance. \u2022 Aspergillus enzymes also acted like prebiotics by reshaping the gut microbiome \u2014 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. \u2022 Bacterial shifts were linked directly to neurotransmitter levels \u2014 Using correlation analysis, researchers found that specific bacterial populations \u2014 especially Akkermansia, Parabacteroides, and Flavonifractor \u2014 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 \u2014 too wired during the day, too restless at night \u2014 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 \u2014 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 \u2014 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 \u2014 at the right time \u2014 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 \u2014 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 \u2014 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.","og_url":"https:\/\/articles.mercola.com\/sites\/articles\/archive\/2026\/05\/05\/prebiotics-gut-microbiome-boost-brain-gaba.aspx","og_site_name":"Watchman News","article_published_time":"2026-05-05T00:00:00+00:00","article_modified_time":"2026-05-05T05:15:59+00:00","og_image":[{"url":"https:\/\/media.mercola.com\/assets\/images\/mercola\/bestarticles-icon.png","type":"","width":"","height":""}],"author":"Admin","twitter_card":"summary_large_image","twitter_misc":{"Napisane przez":"Admin","Szacowany czas czytania":"8 minut"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/articles.mercola.com\/sites\/articles\/archive\/2026\/05\/05\/prebiotics-gut-microbiome-boost-brain-gaba.aspx#article","isPartOf":{"@id":"https:\/\/watchman.news\/2026\/05\/prebiotics-influence-gut-bacteria-that-raise-brain-gaba-levels\/"},"author":{"name":"Admin","@id":"https:\/\/watchman.news\/#\/schema\/person\/3f4506c6002f5893ba45478a4540739f"},"headline":"Prebiotics Influence Gut Bacteria That Raise Brain GABA Levels","datePublished":"2026-05-05T00:00:00+00:00","dateModified":"2026-05-05T05:15:59+00:00","mainEntityOfPage":{"@id":"https:\/\/watchman.news\/2026\/05\/prebiotics-influence-gut-bacteria-that-raise-brain-gaba-levels\/"},"wordCount":1607,"commentCount":0,"image":{"@id":"https:\/\/articles.mercola.com\/sites\/articles\/archive\/2026\/05\/05\/prebiotics-gut-microbiome-boost-brain-gaba.aspx#primaryimage"},"thumbnailUrl":"https:\/\/media.mercola.com\/assets\/images\/mercola\/bestarticles-icon.png","articleSection":["Baptism & Confirmation","Dr Mercola Daily News"],"inLanguage":"pl-PL","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/articles.mercola.com\/sites\/articles\/archive\/2026\/05\/05\/prebiotics-gut-microbiome-boost-brain-gaba.aspx#respond"]}]},{"@type":"WebPage","@id":"https:\/\/watchman.news\/2026\/05\/prebiotics-influence-gut-bacteria-that-raise-brain-gaba-levels\/","url":"https:\/\/articles.mercola.com\/sites\/articles\/archive\/2026\/05\/05\/prebiotics-gut-microbiome-boost-brain-gaba.aspx","name":"Prebiotics Influence Gut Bacteria That Raise Brain GABA Levels - Watchman News","isPartOf":{"@id":"https:\/\/watchman.news\/#website"},"primaryImageOfPage":{"@id":"https:\/\/articles.mercola.com\/sites\/articles\/archive\/2026\/05\/05\/prebiotics-gut-microbiome-boost-brain-gaba.aspx#primaryimage"},"image":{"@id":"https:\/\/articles.mercola.com\/sites\/articles\/archive\/2026\/05\/05\/prebiotics-gut-microbiome-boost-brain-gaba.aspx#primaryimage"},"thumbnailUrl":"https:\/\/media.mercola.com\/assets\/images\/mercola\/bestarticles-icon.png","datePublished":"2026-05-05T00:00:00+00:00","dateModified":"2026-05-05T05:15:59+00:00","author":{"@id":"https:\/\/watchman.news\/#\/schema\/person\/3f4506c6002f5893ba45478a4540739f"},"breadcrumb":{"@id":"https:\/\/articles.mercola.com\/sites\/articles\/archive\/2026\/05\/05\/prebiotics-gut-microbiome-boost-brain-gaba.aspx#breadcrumb"},"inLanguage":"pl-PL","potentialAction":[{"@type":"ReadAction","target":["https:\/\/articles.mercola.com\/sites\/articles\/archive\/2026\/05\/05\/prebiotics-gut-microbiome-boost-brain-gaba.aspx"]}]},{"@type":"ImageObject","inLanguage":"pl-PL","@id":"https:\/\/articles.mercola.com\/sites\/articles\/archive\/2026\/05\/05\/prebiotics-gut-microbiome-boost-brain-gaba.aspx#primaryimage","url":"https:\/\/media.mercola.com\/assets\/images\/mercola\/bestarticles-icon.png","contentUrl":"https:\/\/media.mercola.com\/assets\/images\/mercola\/bestarticles-icon.png"},{"@type":"BreadcrumbList","@id":"https:\/\/articles.mercola.com\/sites\/articles\/archive\/2026\/05\/05\/prebiotics-gut-microbiome-boost-brain-gaba.aspx#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/watchman.news\/"},{"@type":"ListItem","position":2,"name":"Prebiotics Influence Gut Bacteria That Raise Brain GABA Levels"}]},{"@type":"WebSite","@id":"https:\/\/watchman.news\/#website","url":"https:\/\/watchman.news\/","name":"Watchman News","description":"News of Importance for the True Christian Israel","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/watchman.news\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"pl-PL"},{"@type":"Person","@id":"https:\/\/watchman.news\/#\/schema\/person\/3f4506c6002f5893ba45478a4540739f","name":"Administrator","image":{"@type":"ImageObject","inLanguage":"pl-PL","@id":"https:\/\/secure.gravatar.com\/avatar\/a4dc65c7d54b24b8fa9d6d4116fd21209e86efe3563858469b00d8bddd033356?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/a4dc65c7d54b24b8fa9d6d4116fd21209e86efe3563858469b00d8bddd033356?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/a4dc65c7d54b24b8fa9d6d4116fd21209e86efe3563858469b00d8bddd033356?s=96&d=mm&r=g","caption":"Admin"},"url":"https:\/\/watchman.news\/pl\/author\/admin\/"}]}},"_links":{"self":[{"href":"https:\/\/watchman.news\/pl\/wp-json\/wp\/v2\/posts\/164143","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/watchman.news\/pl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/watchman.news\/pl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/watchman.news\/pl\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/watchman.news\/pl\/wp-json\/wp\/v2\/comments?post=164143"}],"version-history":[{"count":0,"href":"https:\/\/watchman.news\/pl\/wp-json\/wp\/v2\/posts\/164143\/revisions"}],"wp:attachment":[{"href":"https:\/\/watchman.news\/pl\/wp-json\/wp\/v2\/media?parent=164143"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/watchman.news\/pl\/wp-json\/wp\/v2\/categories?post=164143"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/watchman.news\/pl\/wp-json\/wp\/v2\/tags?post=164143"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}