We explored how the treatment with JB-1—a type of probiotic bacteria—affects anxiety during chronic stress in rats. In our study, half of the twenty rats received JB-1 while the other half got a placebo over eight weeks of stress exposure.
The results were telling! Rats on JB-1 showed less anxiety and were more willing to explore their environment compared to the placebo group, which largely avoided exploration. Additionally, measurements of brain metabolites indicated that JB-1 helped maintain stability in brain chemistry, even in stressful conditions.
This suggests that lactobacillus rhamnosus might play a beneficial role in reducing anxiety during prolonged stress.
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9
Lactobacillus anxiolytic effects proven
[Antioxidant and anxiolytic effect of and under conditions of normobaric hypoxia with hypercapnia].
We investigated the impact of Lactobacillus acidophilus and Bifidobacterium adolescentis on anxiety levels in rats facing acute hypoxia. In our study, 64 male Wistar rats were divided into four groups for comparison. The results showed that rats receiving probiotics exhibited lower oxidative stress and anxiety levels compared to those who did not. Notably, those treated with probiotics went through behavioral tests indicating increased exploratory behavior and decreased anxiety. Overall, our findings suggest that these probiotics offer both antioxidant and anxiety-reducing effects in stressful conditions.
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8
Probiotics may reduce anxiety
Lactobacillus rhamnosus GG colonization in early life regulates gut-brain axis and relieves anxiety-like behavior in adulthood.
We examined how colonizing newborn mice with probiotics, specifically Lactobacillus rhamnosus GG (LGG), influences anxiety in adulthood. By administering live LGG during pregnancy and early life, we observed significant changes to the gut microbiome and protective effects on the intestinal barrier. Notably, the adult mice with LGG colonization showed reduced anxiety-like behaviors in tests designed to measure stress responses. This indicates that early life probiotics could play an important role in regulating the gut-brain axis and improving mental health in later life.
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Most Useful Reviews
9
Stomach issue relief
6 people found this helpful
Got rid of my acid reflux! This product is exceptional, the only probiotic that truly helped my stomach problems. I often experience acid reflux linked to anxiety, which had become almost daily. After seeing a YouTuber discuss its benefits, I purchased it immediately. This has been a game changer!
We investigated the impact of Lactobacillus acidophilus and Bifidobacterium adolescentis on anxiety levels in rats facing acute hypoxia. In our study, 64 male Wistar rats were divided into four groups for comparison. The results showed that rats receiving probiotics exhibited lower oxidative stress and anxiety levels compared to those who did not. Notably, those treated with probiotics went through behavioral tests indicating increased exploratory behavior and decreased anxiety. Overall, our findings suggest that these probiotics offer both antioxidant and anxiety-reducing effects in stressful conditions.
Read More
9
Probiotics impact anxiety in AD
Ameliorative effects of probiotics in AlCl-induced mouse model of Alzheimer's disease.
We investigated how probiotics, specifically Lactobacillus rhamnosus and Bifidobacterium BB-12, can affect anxiety in a mouse model of Alzheimer’s disease. In our study, we found that mice treated with these probiotics exhibited significantly reduced anxiety-like behaviors compared to those exposed to aluminum chloride alone.
Through various behavioral tests, it was evident that this probiotic combination also improved memory functions. Our results suggest that leveraging the gut-brain axis through these probiotics could offer a promising approach for alleviating anxiety and cognitive deficits in neurodegenerative conditions like Alzheimer's.
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9
Probiotic alleviates IBS-D symptoms
A randomized double-blind, placebo-controlled trial to evaluate the safety and efficacy of live CECT 7347 (ES1) and heat-treated CECT 7347 (HT-ES1) in participants with diarrhea-predominant irritable bowel syndrome.
We conducted a study to assess how well the probiotic CECT 7347 (ES1) and the heat-treated version (HT-ES1) helped alleviate diarrhea-predominant irritable bowel syndrome (IBS-D) symptoms in adults. Over 84 days, participants took either the probiotic, the postbiotic, or a placebo, reporting significant improvement in key measures like symptom severity, quality of life, and even anxiety levels. The results demonstrated a notable reduction in IBS symptoms, making it one of the first trials to show such effectiveness in this area.
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9
Bifidobacterium longum may ease anxiety
Interactions between symptoms and psychological status in irritable bowel syndrome: An exploratory study of the impact of a probiotic combination.
We examined the impact of a probiotic blend, Bifidobacterium longum strains 1714® and 35642®, on anxiety and irritable bowel syndrome (IBS) symptoms in patients. Over eight weeks, we observed that the treatment helped restore the stress response and improved IBS symptoms and psychometric scores for anxiety and depression.
Interestingly, the benefits continued after stopping treatment, suggesting a lasting positive effect. The findings indicate that managing stress can significantly influence IBS symptoms and associated mood disturbances.
Bifidobacterium lactis Probio-M8 Adjuvant Treatment Confers Added Benefits to Patients with Coronary Artery Disease via Target Modulation of the Gut-Heart/-Brain Axes.
We conducted a thorough investigation into the effects of Bifidobacterium lactis, known as Probio-M8, on anxiety and overall well-being in patients with coronary artery disease (CAD). Over six months, we compared a group receiving the probiotic with a placebo group.
Notably, those in the probiotic group reported significant improvements in anxiety levels and other markers of mental health. This suggests that enhancing gut health can also positively influence our mood and emotional states.
With ongoing research, it’s becoming clearer how beneficial our gut bacteria can be for our overall mental and physical wellness.
Got rid of my acid reflux! This product is exceptional, the only probiotic that truly helped my stomach problems. I often experience acid reflux linked to anxiety, which had become almost daily. After seeing a YouTuber discuss its benefits, I purchased it immediately. This has been a game changer!
Read More
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References
Marques CG, Dos Santos Quaresma MVL, França Ferracini CB, Alves Carrilho FB, Nakamoto FP, et al. Effect of caloric restriction with probiotic supplementation on body composition, quality of life, and psychobiological factors of obese men: A randomized, double-blinded placebo-controlled clinical trial. Clin Nutr. 2025;45:234. 10.1016/j.clnu.2024.12.031
Chan HHY, Siu PLK, Choy CT, Chan UK, Zhou J, et al. Novel Multi-Strain E3 Probiotic Formulation Improved Mental Health Symptoms and Sleep Quality in Hong Kong Chinese. Nutrients. 2023;15. 10.3390/nu15245037
Haghighat N, Mohammadshahi M, Shayanpour S, Haghighizadeh MH, Rahmdel S, et al. The Effect of Synbiotic and Probiotic Supplementation on Mental Health Parameters in Patients Undergoing Hemodialysis: A Double-blind, Randomized, Placebo-controlled Trial. Indian J Nephrol. 2021;31:149. 10.4103/ijn.IJN_341_19
Kozin SV, Kravtsov AA, Kravchenko SV, Ivashchenko LI. [Antioxidant and anxiolytic effect of and under conditions of normobaric hypoxia with hypercapnia]. Vopr Pitan. 2021;90:63. 10.33029/0042-8833-2021-90-2-63-72
Eskandarzadeh S, Effatpanah M, Khosravi-Darani K, Askari R, Hosseini AF, et al. Efficacy of a multispecies probiotic as adjunctive therapy in generalized anxiety disorder: a double blind, randomized, placebo-controlled trial. Nutr Neurosci. 2021;24:102. 10.1080/1028415X.2019.1598669
Feher J, Pinter E, Kovács I, Helyes Z, Kemény A, et al. Irritable eye syndrome: neuroimmune mechanisms and benefits of selected nutrients. Ocul Surf. 2014;12:134. 10.1016/j.jtos.2013.09.002
Al Kassaa I, Fuad M. Effects of HN001 on Happiness and Mental Well-Being: Findings from a Randomized Controlled Trial. Nutrients. 2024;16. 10.3390/nu16172936
Ruiz-Gonzalez C, Cardona D, Rueda-Ruzafa L, Rodriguez-Arrastia M, Ropero-Padilla C, et al. Cognitive and Emotional Effect of a Multi-species Probiotic Containing Lactobacillus rhamnosus and Bifidobacterium lactis in Healthy Older Adults: A Double-Blind Randomized Placebo-Controlled Crossover Trial. Probiotics Antimicrob Proteins. 2024. 10.1007/s12602-024-10315-2
Holcomb M, Marshall A, Flinn H, Lozano M, Soriano S, et al. Probiotic treatment causes sex-specific neuroprotection after traumatic brain injury in mice. Res Sq. 2024. 10.21203/rs.3.rs-4196801/v1
Lonstein JS, Meinhardt TA, Pavlidi P, Kokras N, Dalla C, et al. Maternal probiotic Lactocaseibacillus rhamnosus HN001 treatment alters postpartum anxiety, cortical monoamines, and the gut microbiome. Psychoneuroendocrinology. 2024;165:107033. 10.1016/j.psyneuen.2024.107033
Schmidt NP, Molz P, Fraga BS, Bondarczuk NH, Silveira PD, et al. Effect of Probiotic LB1.5 on Anxiety-like Behavior, Neuroprotection and Neuroinflammation Markers of Male Mice Fed a High-Fat Diet. Nutrients. 2024;16. 10.3390/nu16060879
Schell M, Wardelmann K, Hauffe R, Rath M, Chopra S, et al. Sex-Specifically Attenuates Depressive-like Behavior and Mitigates Metabolic Consequences in Obesity. Biol Psychiatry Glob Open Sci. 2023;3:651. 10.1016/j.bpsgos.2023.02.011
Jadhav G, Dudhabhate BB, Kokare DM, Sakharkar AJ. Gut Microbiota Regulates Epigenetic Remodelling in the Amygdala: A Role in Repeated Mild Traumatic Brain Injury (rMTBI)-Induced Anxiety. Mol Neurobiol. 2024;61:9892. 10.1007/s12035-023-03697-x
Walden KE, Moon JM, Hagele AM, Allen LE, Gaige CJ, et al. A randomized controlled trial to examine the impact of a multi-strain probiotic on self-reported indicators of depression, anxiety, mood, and associated biomarkers. Front Nutr. 2023;10:1219313. 10.3389/fnut.2023.1219313
Hamid M, Zahid S. Ameliorative effects of probiotics in AlCl-induced mouse model of Alzheimer's disease. Appl Microbiol Biotechnol. 2023;107:5803. 10.1007/s00253-023-12686-y
Chudzik A, Słowik T, Kochalska K, Pankowska A, Łazorczyk A, et al. Continuous Ingestion of JB-1 during Chronic Stress Ensures Neurometabolic and Behavioural Stability in Rats. Int J Mol Sci. 2022;23. 10.3390/ijms23095173
Wauters L, Van Oudenhove L, Accarie A, Geboers K, Geysen H, et al. CNCM I-3690 decreases subjective academic stress in healthy adults: a randomized placebo-controlled trial. Gut Microbes. 2022;14:2031695. 10.1080/19490976.2022.2031695
Zhou B, Jin G, Pang X, Mo Q, Bao J, et al. Lactobacillus rhamnosus GG colonization in early life regulates gut-brain axis and relieves anxiety-like behavior in adulthood. Pharmacol Res. 2022;177:106090. 10.1016/j.phrs.2022.106090
Liu Y, Sanderson D, Mian MF, McVey Neufeld KA, Forsythe P. Loss of vagal integrity disrupts immune components of the microbiota-gut-brain axis and inhibits the effect of Lactobacillus rhamnosus on behavior and the corticosterone stress response. Neuropharmacology. 2021;195:108682. 10.1016/j.neuropharm.2021.108682
Foroozan P, Koushkie Jahromi M, Nemati J, Sepehri H, Safari MA, et al. Probiotic Supplementation and High-Intensity Interval Training Modify Anxiety-Like Behaviors and Corticosterone in High-Fat Diet-Induced Obesity Mice. Nutrients. 2021;13. 10.3390/nu13061762
Quero CD, Manonelles P, Fernández M, Abellán-Aynés O, López-Plaza D, et al. Differential Health Effects on Inflammatory, Immunological and Stress Parameters in Professional Soccer Players and Sedentary Individuals after Consuming a Synbiotic. A Triple-Blinded, Randomized, Placebo-Controlled Pilot Study. Nutrients. 2021;13. 10.3390/nu13041321
Tamayo M, Agusti A, Molina-Mendoza GV, Rossini V, Frances-Cuesta C, et al. Bifidobacterium longum CECT 30763 improves depressive- and anxiety-like behavior in a social defeat mouse model through the immune and dopaminergic systems. Brain Behav Immun. 2025;125:35. 10.1016/j.bbi.2024.12.028
Martin FP, Cominetti O, Berger B, Combremont S, Marquis J, et al. Metabolome-associated psychological comorbidities improvement in irritable bowel syndrome patients receiving a probiotic. Gut Microbes. 2024;16:2347715. 10.1080/19490976.2024.2347715
Srivastava S, Basak U, Naghibi M, Vijayakumar V, Parihar R, et al. A randomized double-blind, placebo-controlled trial to evaluate the safety and efficacy of live CECT 7347 (ES1) and heat-treated CECT 7347 (HT-ES1) in participants with diarrhea-predominant irritable bowel syndrome. Gut Microbes. 2024;16:2338322. 10.1080/19490976.2024.2338322
Boehme M, Rémond-Derbez N, Lerond C, Lavalle L, Keddani S, et al. subsp. Reduces Perceived Psychological Stress in Healthy Adults: An Exploratory Clinical Trial. Nutrients. 2023;15. 10.3390/nu15143122
Toh MPS, Yang CY, Lim PC, Loh HLJ, Bergonzelli G, et al. A Probiotic Intervention With Bifidobacterium longum NCC3001 on Perinatal Mood Outcomes (PROMOTE Study): Protocol for a Decentralized Randomized Controlled Trial. JMIR Res Protoc. 2023;12:e41751. 10.2196/41751
Groeger D, Murphy EF, Tan HTT, Larsen IS, O'Neill I, et al. Interactions between symptoms and psychological status in irritable bowel syndrome: An exploratory study of the impact of a probiotic combination. Neurogastroenterol Motil. 2023;35:e14477. 10.1111/nmo.14477
Ma T, Jin H, Kwok LY, Sun Z, Liong MT, et al. Probiotic consumption relieved human stress and anxiety symptoms possibly via modulating the neuroactive potential of the gut microbiota. Neurobiol Stress. 2021;14:100294. 10.1016/j.ynstr.2021.100294
Inoue T, Kobayashi Y, Mori N, Sakagawa M, Xiao JZ, et al. Effect of combined bifidobacteria supplementation and resistance training on cognitive function, body composition and bowel habits of healthy elderly subjects. Benef Microbes. 2018;9:843. 10.3920/BM2017.0193
Pinto-Sanchez MI, Hall GB, Ghajar K, Nardelli A, Bolino C, et al. Probiotic Bifidobacterium longum NCC3001 Reduces Depression Scores and Alters Brain Activity: A Pilot Study in Patients With Irritable Bowel Syndrome. Gastroenterology. 2017;153:448. 10.1053/j.gastro.2017.05.003
Allen AP, Hutch W, Borre YE, Kennedy PJ, Temko A, et al. Bifidobacterium longum 1714 as a translational psychobiotic: modulation of stress, electrophysiology and neurocognition in healthy volunteers. Transl Psychiatry. 2016;6:e939. 10.1038/tp.2016.191
Savignac HM, Tramullas M, Kiely B, Dinan TG, Cryan JF. Bifidobacteria modulate cognitive processes in an anxious mouse strain. Behav Brain Res. 2015;287:59. 10.1016/j.bbr.2015.02.044
Savignac HM, Kiely B, Dinan TG, Cryan JF. Bifidobacteria exert strain-specific effects on stress-related behavior and physiology in BALB/c mice. Neurogastroenterol Motil. 2014;26:1615. 10.1111/nmo.12427
Bercik P, Park AJ, Sinclair D, Khoshdel A, Lu J, et al. The anxiolytic effect of Bifidobacterium longum NCC3001 involves vagal pathways for gut-brain communication. Neurogastroenterol Motil. 2011;23:1132. 10.1111/j.1365-2982.2011.01796.x
Freitas SM, Franco B, Saragiotto G, Morais MA, Simabuco FM, et al. Effect of a probiotic fermented milk supplementation on behavior and sleep. Nutr Neurosci. 2024;27:607. 10.1080/1028415X.2023.2240990
Dandekar MP, Palepu MSK, Satti S, Jaiswal Y, Singh AA, et al. Multi-strain Probiotic Formulation Reverses Maternal Separation and Chronic Unpredictable Mild Stress-Generated Anxiety- and Depression-like Phenotypes by Modulating Gut Microbiome-Brain Activity in Rats. ACS Chem Neurosci. 2022;13:1948. 10.1021/acschemneuro.2c00143
Sun B, Ma T, Li Y, Yang N, Li B, et al. Bifidobacterium lactis Probio-M8 Adjuvant Treatment Confers Added Benefits to Patients with Coronary Artery Disease via Target Modulation of the Gut-Heart/-Brain Axes. mSystems. 2022;7:e0010022. 10.1128/msystems.00100-22
Dong W, Wang Y, Liao S, Tang W, Peng L, et al. subsp. BB-12 Improves the State Anxiety and Sports Performance of Young Divers Under Stress Situations: A Single-Arm, Prospective Proof-of-Concept Study. Front Psychol. 2020;11:570298. 10.3389/fpsyg.2020.570298
Luang-In V, Katisart T, Konsue A, Nudmamud-Thanoi S, Narbad A, et al. Psychobiotic Effects of Multi-Strain Probiotics Originated from Thai Fermented Foods in a Rat Model. Food Sci Anim Resour. 2020;40:1014. 10.5851/kosfa.2020.e72
Venkataraman R, Madempudi RS, Neelamraju J, Ahire JJ, Vinay HR, et al. Effect of Multi-strain Probiotic Formulation on Students Facing Examination Stress: a Double-Blind, Placebo-Controlled Study. Probiotics Antimicrob Proteins. 2021;13:12. 10.1007/s12602-020-09681-4
Dawe JP, McCowan LME, Wilson J, Okesene-Gafa KAM, Serlachius AS. Probiotics and Maternal Mental Health: A Randomised Controlled Trial among Pregnant Women with Obesity. Sci Rep. 2020;10:1291. 10.1038/s41598-020-58129-w
Haghighat N, Rajabi S, Mohammadshahi M. Effect of synbiotic and probiotic supplementation on serum brain-derived neurotrophic factor level, depression and anxiety symptoms in hemodialysis patients: a randomized, double-blinded, clinical trial. Nutr Neurosci. 2021;24:490. 10.1080/1028415X.2019.1646975