{"id":482,"date":"2026-10-05T04:33:00","date_gmt":"2026-10-05T08:33:00","guid":{"rendered":"https:\/\/openintegrative.com\/blog\/?p=482"},"modified":"2026-07-11T18:07:26","modified_gmt":"2026-07-11T22:07:26","slug":"gaba-gamma-aminobutyric-acid","status":"publish","type":"post","link":"https:\/\/openintegrative.com\/blog\/gaba-gamma-aminobutyric-acid\/","title":{"rendered":"Can GABA Supplements Really Help You Feel Calmer?"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\"><strong>Key Takeaways<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>GABA helps slow nerve activity but taking it as a supplement may affect people differently.<\/li>\n\n\n\n<li>Small human studies suggest possible calming effects though the overall evidence remains limited and mixed.<\/li>\n\n\n\n<li>Researchers still debate whether much oral GABA reaches the brain after you swallow it.<\/li>\n\n\n\n<li>Some people report relaxation or easier sleep while others notice little or no clear change.<\/li>\n\n\n\n<li>GABA supplements appear fairly well tolerated but long term safety research remains limited.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>GABA &amp; Calm<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">GABA In The Brain<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Gamma aminobutyric acid is usually called GABA. Your brain makes it naturally and uses it to slow certain nerve signals.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">GABA reduces the chance that some nerve cells will fire. It helps balance the stimulating effects of other brain chemicals and supports normal control of stress, movement and sleep. (<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK513311\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">1<\/a>)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Low or altered GABA activity has been linked with anxiety and several other brain conditions. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A link does not prove that swallowing more GABA will correct the problem. Brain chemistry depends on receptors, enzymes, nerve activity and many other signals.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Supplement labels often describe GABA as a direct calming compound. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The biology behind the claim is more uncertain because GABA inside the brain and GABA swallowed in a capsule are not automatically the same thing.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">The Brain Barrier<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Your brain has a protective filter called the blood brain barrier. It controls which substances can move from the blood into brain tissue.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Researchers have long questioned whether swallowed GABA crosses this barrier in meaningful amounts. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Some evidence suggests that very little enters the brain. Other researchers argue that small amounts may cross or that GABA may affect the body through nerves outside the brain. (<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/26500584\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">2<\/a>)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A supplement could also affect signals from the digestive tract or other parts of the nervous system without entering the brain in large amounts. Researchers have not confirmed one clear route in humans.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The uncertain mechanism does not prove that oral GABA has no effect. It does mean that claims about directly raising brain GABA are much stronger than current evidence supports.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Research On Stress<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Short Term Effects<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Several small studies have tested GABA before stressful tasks.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">One trial gave 100 milligrams of GABA or a placebo to 63 adults before a mental task. Researchers reported changes in mood and some physical stress measures after GABA. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The study used one dose during a controlled experiment rather than testing daily anxiety in normal life. (<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/22203366\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">3<\/a>)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Another study tested chocolate containing GABA during a difficult arithmetic task. The results suggested a smaller stress response in some measures. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The product contained chocolate and GABA together which makes the effect harder to apply to plain GABA capsules. (<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/19462324\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">4<\/a>)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Small studies can detect early signs worth studying. They cannot show that a supplement reliably reduces ongoing anxiety across a broad range of people.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Longer Use<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A 2024 trial followed 30 women with overweight or obesity who also took part in an exercise program. The GABA group used 200 milligrams daily for 90 days.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Researchers reported better sleep scores, improved emotional measures and changes in heart rate variability. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Exercise occurred in both groups, though the small number of participants still limits how widely the findings can be applied. (<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/38321713\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">5<\/a>)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The trial adds useful human evidence because it lasted longer than many earlier studies. Larger independent trials are still needed before GABA can be described as a reliable calming supplement.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Overall Evidence<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A systematic review examined human studies of oral GABA for stress and sleep. The authors found limited evidence for stress relief and very limited evidence for better sleep. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Many studies were small and used different doses, products and test methods. (<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/33041752\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">6<\/a>)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Some studies also had possible conflicts of interest. Early positive findings deserve more testing when products are linked with companies involved in the research.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Current evidence supports cautious interest rather than a firm claim. GABA may help some people feel calmer but research has not shown a strong or predictable effect.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Sleep &amp; Relaxation<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Possible Sleep Effects<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">People often use GABA in the evening because physical calm and sleep are closely linked.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">One small trial found that oral GABA shortened the time needed to fall asleep and increased non rapid eye movement sleep. Researchers also measured higher blood GABA after supplementation. (<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/30263304\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">7<\/a>)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Another trial tested 300 milligrams of GABA made from rice germ in adults with sleep problems. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">After four weeks, the GABA group showed shorter sleep delay and better sleep efficiency without severe reported side effects. (<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/29856155\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">8<\/a>)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A later trial tested 75 milligrams in people with insomnia and reported some improvement in sleep measures. The number of participants remained small and the study lasted four weeks. (<a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC9262463\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">9<\/a>)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sleep results do not prove that GABA reduces anxiety during the day. Feeling drowsy, relaxing before bed and having less ongoing worry are different outcomes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Different Responses<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Some people describe a mild sense of physical calm. Others notice sleepiness, tingling or no clear effect.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A strong response does not show that the supplement corrected a GABA deficiency. No simple home test can tell you whether low brain GABA caused stress or whether a capsule raised it.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Daily stress can come from poor <a href=\"https:\/\/openintegrative.com\/blog\/amazing-tips-improve-sleep-quality\/\">sleep<\/a>, high caffeine use, low energy availability, ongoing conflict, illness or an overloaded schedule. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A calming supplement may change how you feel for a short time without addressing the reason you remain tense.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Track one clear outcome when trying any supplement. Choose sleep delay, nighttime waking or physical tension rather than judging several symptoms at once.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Safety &amp; Use<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Known Side Effects<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Available research has not found a strong signal of serious harm from ordinary supplemental amounts.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A detailed safety review found no serious adverse events in human studies using several GABA amounts. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Researchers reported no serious problems at very high amounts used briefly or at 120 milligrams daily for up to 12 weeks. Long term evidence remained limited. (<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/34444905\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">10<\/a>)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Reported effects can include sleepiness, headache, stomach discomfort, tingling or a brief change in breathing sensation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Stop using the product when symptoms feel strong, unusual or persistent.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Avoid combining several calming supplements during the first trial. Using one product makes it easier to judge the response and identify unwanted effects.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Product Quality<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/openintegrative.com\/blog\/supplements-explained-benefits-risks\/\">Supplement<\/a> quality can vary between brands. Choose a product that clearly lists the amount of GABA in each capsule. Avoid proprietary blends that hide the amount behind a combined formula.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Third party testing can help confirm that the capsule contains the stated ingredient and does not contain unwanted contaminants.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Some products combine GABA with several herbs, amino acids or sleep compounds. A positive or negative response cannot be linked to GABA alone when many ingredients are used together.<\/p>\n\n\n\n<h3 id=\"h-pharmagaba\" class=\"wp-block-heading\"><strong>PharmaGABA<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.iherb.com\/pr\/thorne-pharmagaba-100-60-capsules-100-mg-per-capsule\/18741?rcode=ONV5838\" target=\"_blank\" rel=\"noreferrer noopener sponsored nofollow\">PharmaGABA<\/a> is a branded form of GABA made by fermentation. Some studies suggest it may help some people feel more relaxed or fall asleep a little faster. The reported effects appear mild. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\">A Measured Trial<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Human studies have used amounts ranging from about 50 to 300 milligrams for stress or sleep research. Higher amounts have also been studied for other purposes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Research has not established one ideal amount for feeling calmer. More does not guarantee a stronger benefit.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Start with the lowest amount shown on a clear product label. Use it at a time when sleepiness will not create a problem.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Keep the rest of your routine unchanged during the first trial. Compare several days with the supplement against several similar days without it.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">GABA should not be treated as a proven treatment for anxiety, panic attacks, depression or insomnia. Ongoing or severe symptoms deserve a full review of sleep, stress, nutrition, physical health and daily habits.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>For any health concerns or questions about a medical condition, get guidance from a physician or another appropriately trained clinician. 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{\n                .oi-sp-smart .oi-sp-grid,\n                .oi-sp-similar .oi-sp-grid,\n                .oi-sp-related .oi-sp-grid,\n                .oi-sp-cornerstone .oi-sp-grid,\n                .oi-sp-pillar .oi-sp-grid,\n                .oi-sp-hub .oi-sp-grid,\n                .oi-sp-recent .oi-sp-grid,\n                .oi-sp-trending .oi-sp-grid {\n                    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;\n                }\n\n                .oi-sp-top .oi-sp-grid {\n                    display: flex !important;\n                    flex-direction: column !important;\n                }\n            }\n\n            @media (max-width: 640px) {\n                .oi-sp-smart .oi-sp-grid,\n                .oi-sp-similar .oi-sp-grid,\n                .oi-sp-related .oi-sp-grid,\n                .oi-sp-cornerstone .oi-sp-grid,\n                .oi-sp-pillar .oi-sp-grid,\n                .oi-sp-hub .oi-sp-grid,\n                .oi-sp-recent .oi-sp-grid,\n                .oi-sp-trending .oi-sp-grid {\n                    grid-template-columns: 1fr !important;\n                }\n\n                .oi-sp-top .oi-sp-grid {\n                    display: flex !important;\n                    flex-direction: column !important;\n                }\n\n                .oi-sp-heading {\n                    font-size: 1.2rem !important;\n                }\n            }\n        <\/style><section class=\"oi-sp oi-sp-smart\" data-oi-sp-mode=\"smart\" aria-label=\"Suggested Posts\"><h2 class=\"oi-sp-heading\">Suggested Posts<\/h2><div class=\"oi-sp-grid\"><a class=\"oi-sp-card oi-sp-card-smart\" href=\"https:\/\/openintegrative.com\/blog\/quercetin-immune-system\/\"><div class=\"oi-sp-thumb\"><img decoding=\"async\" width=\"600\" height=\"600\" data-src=\"https:\/\/openintegrative.com\/blog\/wp-content\/uploads\/2026\/05\/Quercetin.webp\" class=\"attachment-medium_large size-medium_large wp-post-image lazyload\" alt=\"Quercetin\" data-srcset=\"https:\/\/openintegrative.com\/blog\/wp-content\/uploads\/2026\/05\/Quercetin.webp 600w, https:\/\/openintegrative.com\/blog\/wp-content\/uploads\/2026\/05\/Quercetin-300x300.webp 300w, https:\/\/openintegrative.com\/blog\/wp-content\/uploads\/2026\/05\/Quercetin-150x150.webp 150w\" data-sizes=\"auto, (max-width: 600px) 100vw, 600px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 600px; --smush-placeholder-aspect-ratio: 600\/600;\" \/><\/div><div class=\"oi-sp-body\"><div class=\"oi-sp-title\">Can Quercetin Help Your Immune System Work Better?<\/div><div class=\"oi-sp-excerpt\">Key Takeaways Quercetin may support immune balance, but human proof is still limited. The strongest human evidence focuses...<\/div><div class=\"oi-sp-read\">Read More<\/div><\/div><\/a><a class=\"oi-sp-card oi-sp-card-smart\" href=\"https:\/\/openintegrative.com\/blog\/supplements-explained-benefits-risks\/\"><div class=\"oi-sp-thumb\"><img decoding=\"async\" width=\"600\" height=\"600\" data-src=\"https:\/\/openintegrative.com\/blog\/wp-content\/uploads\/2026\/04\/supplements.webp\" class=\"attachment-medium_large size-medium_large wp-post-image lazyload\" alt=\"\" data-srcset=\"https:\/\/openintegrative.com\/blog\/wp-content\/uploads\/2026\/04\/supplements.webp 600w, https:\/\/openintegrative.com\/blog\/wp-content\/uploads\/2026\/04\/supplements-300x300.webp 300w, https:\/\/openintegrative.com\/blog\/wp-content\/uploads\/2026\/04\/supplements-150x150.webp 150w\" data-sizes=\"auto, (max-width: 600px) 100vw, 600px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 600px; --smush-placeholder-aspect-ratio: 600\/600;\" \/><\/div><div class=\"oi-sp-body\"><div class=\"oi-sp-title\">Supplements Explained: Benefits &amp; Risks<\/div><div class=\"oi-sp-excerpt\">Key Takeaways Supplements can help with a clear and proven nutrient gap. Real food still does more for...<\/div><div class=\"oi-sp-read\">Read More<\/div><\/div><\/a><a class=\"oi-sp-card oi-sp-card-smart\" href=\"https:\/\/openintegrative.com\/blog\/cordyceps-caffeine-free-energy\/\"><div class=\"oi-sp-thumb\"><img decoding=\"async\" width=\"600\" height=\"600\" data-src=\"https:\/\/openintegrative.com\/blog\/wp-content\/uploads\/2026\/05\/cordyceps.webp\" class=\"attachment-medium_large size-medium_large wp-post-image lazyload\" alt=\"cordyceps\" data-srcset=\"https:\/\/openintegrative.com\/blog\/wp-content\/uploads\/2026\/05\/cordyceps.webp 600w, https:\/\/openintegrative.com\/blog\/wp-content\/uploads\/2026\/05\/cordyceps-300x300.webp 300w, https:\/\/openintegrative.com\/blog\/wp-content\/uploads\/2026\/05\/cordyceps-150x150.webp 150w\" data-sizes=\"auto, (max-width: 600px) 100vw, 600px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 600px; --smush-placeholder-aspect-ratio: 600\/600;\" \/><\/div><div class=\"oi-sp-body\"><div class=\"oi-sp-title\">Cordyceps For Caffeine Free Energy<\/div><div class=\"oi-sp-excerpt\">Key Takeaways Cordyceps may support steady energy through oxygen use, exercise tolerance and fatigue control. Human trials show...<\/div><div class=\"oi-sp-read\">Read More<\/div><\/div><\/a><\/div><\/section>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Research<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Hepsomali, P., Groeger, J.A., Nishihira, J. and Scholey, A. (2020) \u2018Effects of Oral Gamma Aminobutyric Acid Administration on Stress and Sleep in Humans. A Systematic Review\u2019, Frontiers in Neuroscience, 14, 923. PMID 33041752.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Boonstra, E. et al. (2015) \u2018Neurotransmitters as Food Supplements. The Effects of GABA on Brain and Behavior\u2019, Frontiers in Psychology, 6, 1520. PMID 26500584.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Yoto, A. et al. (2012) \u2018Oral Intake of Gamma Aminobutyric Acid Affects Mood and Activities of Central Nervous System During Stressed Condition Induced by Mental Tasks\u2019, Amino Acids, 43, pp. 1331 to 1337. PMID 22203366.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nakamura, H. et al. (2009) \u2018Psychological Stress Reducing Effect of Chocolate Enriched with Gamma Aminobutyric Acid in Humans. Assessment of Stress Using Heart Rate Variability and Salivary Chromogranin A\u2019, International Journal of Food Sciences and Nutrition, 60, pp. 106 to 113. PMID 19462324.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Guimar\u00e3es, A.P. et al. (2024) \u2018GABA Supplementation, Increased Heart Rate Variability, Emotional Response, Sleep Efficiency and Reduced Depression in Sedentary Overweight Women Undergoing Physical Exercise. Placebo Controlled, Randomized Clinical Trial\u2019, Journal of Dietary Supplements, 21, pp. 512 to 526. PMID 38321713.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Yamatsu, A. et al. (2016) \u2018Effect of Oral Gamma Aminobutyric Acid Administration on Sleep and Its Absorption in Humans\u2019, Food Science and Biotechnology, 25, pp. 547 to 551. PMID 30263304.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Byun, J.I. et al. (2018) \u2018Safety and Efficacy of Gamma Aminobutyric Acid from Fermented Rice Germ in Patients with Insomnia Symptoms. A Randomized, Double Blind Trial\u2019, Journal of Clinical Neurology, 14, pp. 291 to 295. PMID 29856155.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Yoon, S. et al. (2022) \u2018Efficacy and Safety of Low Dose Gamma Aminobutyric Acid for Sleep in Adults with Insomnia Symptoms. A Randomized, Double Blind, Placebo Controlled Trial\u2019, Journal of Clinical Neurology, 18.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Oketch Rabah, H.A. et al. (2021) \u2018United States Pharmacopeia Safety Review of Gamma Aminobutyric Acid\u2019, Nutrients, 13, 2742. PMID 34444905.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Leonte, A. et al. (2018) \u2018Supplementation of Gamma Aminobutyric Acid Improves Temporal Attention in Healthy Adults. A Randomized, Double Blind, Placebo Controlled Study\u2019, Frontiers in Psychology, 8, 2256. PMID 29222993.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Inoue, K. et al. (2003) \u2018Blood Pressure Lowering Effect of a Novel Fermented Milk Containing Gamma Aminobutyric Acid in Mild Hypertensives\u2019, European Journal of Clinical Nutrition, 57, pp. 490 to 495. PMID 12627188.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Shimada, M. et al. (2009) \u2018Anti Hypertensive Effect of Gamma Aminobutyric Acid Rich Chlorella on High Normal Blood Pressure and Borderline Hypertension in Placebo Controlled Double Blind Study\u2019, Clinical and Experimental Hypertension, 31, pp. 342 to 354. PMID 19811362.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Liwinski, T. et al. (2023) \u2018Exploring the Therapeutic Potential of Gamma Aminobutyric Acid in Stress and Mood Regulation. A View Through the Gut Brain Axis\u2019, Nutrients, 15. PMID 38137351.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Jewett, B.E. and Sharma, S. (2023) \u2018Physiology, GABA\u2019, StatPearls, StatPearls Publishing.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Gottesmann, C. (2002) \u2018GABA Mechanisms and Sleep\u2019, Neuroscience, 111, pp. 231 to 239. PMID 11983310.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Key Takeaways GABA &amp; Calm GABA In The Brain Gamma aminobutyric acid is usually called GABA. Your brain makes it naturally and uses it to slow certain nerve signals. GABA reduces the chance that some nerve cells will fire. It helps balance the stimulating effects of other brain chemicals and supports normal control of stress, &#8230; <a title=\"Can GABA Supplements Really Help You Feel Calmer?\" class=\"read-more\" href=\"https:\/\/openintegrative.com\/blog\/gaba-gamma-aminobutyric-acid\/\" aria-label=\"Read more about Can GABA Supplements Really Help You Feel Calmer?\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":5000,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","_wpscppro_dont_share_socialmedia":false,"_wpscppro_custom_social_share_image":0,"_facebook_share_type":"default","_twitter_share_type":"default","_linkedin_share_type":"default","_pinterest_share_type":"default","_linkedin_share_type_page":"default","_instagram_share_type":"default","_medium_share_type":"default","_threads_share_type":"default","_bluesky_share_type":"","_mastodon_share_type":"","_selected_social_profile":[],"_wpsp_enable_custom_social_template":false,"_wpsp_social_scheduling":{"enabled":false,"datetime":null,"platforms":[],"status":"template_only","dateOption":"today","timeOption":"in_1h","customDays":"","customHours":"","customDate":"","customTime":"","schedulingType":"absolute"},"_wpsp_active_default_template":true},"categories":[189,186],"tags":[577,310,235],"class_list":["post-482","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-specialized-supplements","category-supplements-nutrients","tag-gaba","tag-sleep","tag-stress","no-featured-image-padding"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.7 (Yoast SEO v28.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Can GABA Supplements Really Help You Feel Calmer? - Open Integrative<\/title>\n<meta name=\"description\" content=\"GABA supplements may help calm and sleep in some people, but proof is limited. 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