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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8
Lactococcus lactis may reduce anxiety
In Vitro Probiotic and Antioxidant Potential of subsp. LL95 and Its Effect in Mice Behaviour.
We aimed to investigate how Lactococcus lactis subsp. LL95 affects anxiety and depression-like behaviors in mice. After administering LL95 orally for 28 days, we observed notable improvements in behavior. Mice showed less immobility in tests designed to measure depression and preferred open spaces, suggesting decreased anxiety levels. These findings highlight LL95's potential as a therapeutic probiotic, extending its benefits beyond gut health and showcasing its effects on mental well-being.
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9
Probiotic improves anxiety in mice
5-HT attenuates chronic stress-induced cognitive impairment in mice through intestinal flora disruption.
We examined how Lactococcus lactis E001-B-8 impacts anxiety in female mice under chronic stress conditions. Through a series of behavioral tests, we found that this probiotic not only helped improve cognitive function but also reduced anxiety-like behaviors.
Unlike traditional treatments like FLX, L. lactis was linked to better serotonin metabolism and healthier gut microbiome composition. This suggests that enhancing gut health could be a promising approach for anxiety management.
Read More
Most Useful Reviews
9
Improved mood
92 people found this helpful
Excellent! I suffered from mild depression and anxiety for a long time but struggled to find the right antidepressants until I started taking this. Initially, I wanted it for an energy and immunity boost, but now on my third bottle, my mood has significantly improved!
Read More
9
Anxiety reduction
This product effectively reduces my anxiety.
Read More
7.5
Reduces tension
This product relieves stress and tension, reduces anxiety, and normalises the nervous system while improving blood circulation. It's been beneficial for me overall.
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.
Read More
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.
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9
Probiotic improves anxiety in mice
5-HT attenuates chronic stress-induced cognitive impairment in mice through intestinal flora disruption.
We examined how Lactococcus lactis E001-B-8 impacts anxiety in female mice under chronic stress conditions. Through a series of behavioral tests, we found that this probiotic not only helped improve cognitive function but also reduced anxiety-like behaviors.
Unlike traditional treatments like FLX, L. lactis was linked to better serotonin metabolism and healthier gut microbiome composition. This suggests that enhancing gut health could be a promising approach for anxiety management.
Excellent! I suffered from mild depression and anxiety for a long time but struggled to find the right antidepressants until I started taking this. Initially, I wanted it for an energy and immunity boost, but now on my third bottle, my mood has significantly improved!
Read More
9
Anxiety reduction
This product effectively reduces my anxiety.
Read More
7.5
Reduces tension
This product relieves stress and tension, reduces anxiety, and normalises the nervous system while improving blood circulation. It's been beneficial for me overall.
Read More
7.5
Supports immunity
6 people found this helpful
Beneficial bacteria are essential for everyone, especially during travel, as they strengthen immunity. I advise those suffering from anxiety, fear, or weak immunity to take them regularly. Improvement is noticeable after consistent use, and using them on an empty stomach is best.
Read More
9
Gut health restored
5 people found this helpful
This probiotic, along with kefir, truly saved my gut. After multiple rounds of antibiotics, my gut suffered significantly. However, this combination completely transformed my gut biome, and both my heartburn and anxiety symptoms disappeared in a week, despite the initial discomfort.
Anxiety is a natural and often healthy emotion characterized by feelings of worry, nervousness, or fear about an impending event or situation. While some level of anxiety is a normal reaction to stress, excessive or chronic anxiety can become a mental health issue. It may present in various forms, from everyday worries to more severe conditions such as generalized anxiety disorder (GAD), panic disorder, or social anxiety disorder. Symptoms can manifest both psychologically, such as persistent worry and difficulty concentrating, and physically, including symptoms like increased heart rate, sweating, or fatigue.
Understanding the difference between normal anxiety and an anxiety disorder is crucial. Normal anxiety can be beneficial, motivating you to prepare for important events like exams or public speaking. However, when it starts to interfere with daily activities or leads to avoidance behaviors, it may indicate the need for professional help. Treatments for anxiety often include therapy, medications, and lifestyle changes, allowing individuals to manage their symptoms effectively. If someone is struggling with anxiety that impacts their quality of life, seeking guidance from a healthcare professional is a key step toward recovery.
Lactobacillus is a genus of bacteria that plays a crucial role in the fermentation of various foods and is found naturally in the human gut. Known for their probiotic properties, strains of Lactobacillus are commonly utilized in the production of yogurt, sauerkraut, and other fermented products. They are characterized by their rod-shaped structure and ability to convert sugars into lactic acid, which not only helps preserve food but also contributes to the tangy flavor of fermented foods.
In addition to their culinary uses, Lactobacillus bacteria can offer several health benefits. They are known to support gut health by enhancing the balance of beneficial bacteria in the microbiome, potentially aiding in digestion and alleviating symptoms of issues like irritable bowel syndrome (IBS). Regular consumption of Lactobacillus-containing foods or supplements may also bolster the immune system and improve overall digestive health. With a growing interest in gut health, Lactobacillus remains a key player in both dietary and therapeutic contexts.
Emerging research suggests that probiotics, including Lactobacillus, may play a potential role in alleviating anxiety symptoms. The gut-brain axis, which describes the bidirectional communication between the gut and the brain, indicates that our gut microbiome has a significant impact on mood and mental health. Some studies have highlighted that certain strains of Lactobacillus can help reduce anxiety levels by producing neurotransmitters like serotonin and influencing the body’s stress response. However, while the evidence is promising, it's essential to note that research is still in the early stages, and the effectiveness can vary from person to person.
Based on user reviews, the timeline for seeing results from this supplement for anxiety can vary, but many users report noticing improvements after consistent use. For instance, one reviewer mentioned a significant improvement in mood after using the product for a few weeks, stating they were on their third bottle when they noticed the change Read Review. Another user highlighted the importance of regular intake, mentioning that improvement in anxiety symptoms became noticeable after consistent use, suggesting that sustained usage is likely key to effectiveness Read Review.
Additionally, some users simply described the product as effective in reducing anxiety, though they did not specify how long they had been taking it before noticing results Read Review. Overall, while individual responses can differ, it's common to expect improvements over a few weeks to a month of regular use.
Research has increasingly pointed towards probiotics as a potential aid for individuals grappling with anxiety. Notably, several studies have shown promising results, indicating that specific probiotic strains may help alleviate anxiety symptoms. For instance, a randomized double-blind trial exploring the probiotic Lactobacillus rhamnosus found it potentially effective in reducing anxiety-like behaviors in animal models, although changes were not statistically significant in all cases [10]. Another study on Bifidobacterium longum indicated improvements in anxiety levels among patients with Irritable Bowel Syndrome (IBS) [18]. However, many studies underscore the necessity for further research to establish clear, consistent benefits across different demographics and conditions.
While certain probiotic treatments like Bifidobacterium lactis have shown promise in reducing anxiety, results have varied across studies, sometimes failing to demonstrate significant changes when compared to placebo groups [1][3]. The potential efficacy of probiotics in addressing anxiety is still an emerging field; researchers highlight the necessity of rigorous trials to confirm these findings and understand the mechanisms at play. Overall, while the current evidence is encouraging, those considering probiotics for anxiety should consult healthcare professionals and consider an integrated approach to mental health management.
Users have reported a variety of improvements in their symptoms after using the product for anxiety. Many reviewers noted significant relief from anxiety and stress, with one individual highlighting a major reduction in anxiety and irritability due to a stress-related condition after starting the supplement Read Review. Another user experienced an overall enhancement in mood after a few weeks of consistent use, which they attributed to the product Read Review.
Additionally, users mentioned that the product not only alleviated anxiety but also had positive effects on other aspects such as nervous system normalization and improved blood circulation Read Review. While individual results will certainly vary, many users found that regular and sustained use led to noticeable improvements in their mental well-being, making this product a viable option for those seeking anxiety relief and overall enhancement of mood.
Users have reported positive experiences when combining this supplement with other products for managing anxiety. Several reviewers mentioned that they found this supplement to be effective on its own, with one user noting a significant reduction in anxiety and irritability after starting it for issues related to stress Read Review. Another user emphasized the importance of taking beneficial bacteria consistently for both anxiety relief and immunity support, suggesting a complementary approach where this supplement plays a vital role alongside other anxiety management strategies Read Review.
Furthermore, some individuals shared experiences of combining this product with general wellness practices, including yogurt-making with specific probiotic strains. This approach not only contributed to reducing anxiety and gastrointestinal issues but also improved overall mood Read Review. While mixing supplements can vary in effectiveness from person to person, users seem to find that this product works well both stand-alone and in conjunction with other dietary or lifestyle adjustments to combat anxiety.
Based on user reviews, there seems to be a consensus that regular use of Lactobacillus can be beneficial for managing anxiety, although specific dosage recommendations are not explicitly mentioned. Users report noticeable improvements in their mood and anxiety levels after consistent use, suggesting that integrating these probiotics into daily routines leads to positive outcomes over time. For instance, one user highlighted that improvement became apparent with regular utilization, recommending use on an empty stomach for enhanced effectiveness Read Review.
Additionally, various users have noted that specific strains, such as bifidobacteria and lactobacilli, have markedly alleviated their anxiety symptoms and supported their overall mental well-being Read Review. Overall, while exact dosing is unclear, users suggest that a steady and consistent intake of these probiotics may foster better mental health and reduced anxiety over time.
9
Improved mood
92 people found this helpful
Excellent! I suffered from mild depression and anxiety for a long time but struggled to find the right antidepressants until I started taking this. Initially, I wanted it for an energy and immunity boost, but now on my third bottle, my mood has significantly improved!
7.5
Supports immunity
6 people found this helpful
Beneficial bacteria are essential for everyone, especially during travel, as they strengthen immunity. I advise those suffering from anxiety, fear, or weak immunity to take them regularly. Improvement is noticeable after consistent use, and using them on an empty stomach is best.
9
Anxiety reduction
This product effectively reduces my anxiety.
7.5
Helps anxiety
1 people found this helpful
I experienced anxiety and irritability due to a stress-related ulcer. Since using this product, I’ve noticed improved stool consistency and reduced anxiety. I recommend it for those suffering similar issues.
7.5
Reduces tension
This product relieves stress and tension, reduces anxiety, and normalises the nervous system while improving blood circulation. It's been beneficial for me overall.
7.5
Less anxiety
Strains of bifidobacteria and lactobacilli have helped reduce my anxiety and depression levels while also reducing bloating. I use them for making yogurt, which has a neutral taste, unlike other brands.
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.
8
Probiotic treatment reduces anxiety
Metabolome-associated psychological comorbidities improvement in irritable bowel syndrome patients receiving a probiotic.
We investigated how the probiotic Bifidobacterium longum NCC3001 impacts anxiety in patients with Irritable Bowel Syndrome (IBS). Over six weeks, participants received either the probiotic or a placebo, allowing us to assess changes in anxiety and depression levels.
The results were promising! Patients taking the probiotic showed significant reductions in their anxiety scores and changes in brain activity related to emotional responses. Notably, higher levels of butyric acid and increased probiotic abundance in feces were linked to these improvements.
Our findings suggest that Bifidobacterium longum may play a beneficial role in managing anxiety by influencing gut-brain interactions.
5
Probiotic effects on anxiety limited
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.
We conducted a clinical trial aimed at understanding the effect of caloric restriction combined with probiotic supplementation on various health factors, including anxiety, in obese men.
After 12 weeks, while the probiotic had no additional benefit on body composition or overall quality of life, we noted improvements in anxiety and depressive symptoms among those who received the probiotics.
However, there were no significant differences between the groups overall, suggesting that more research is necessary to fully understand this relationship.
8
Lactobacillus rhamnosus shows mixed benefits
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.
In a randomized double-blind placebo-controlled crossover trial, we investigated whether a multi-species probiotic containing Lactobacillus rhamnosus could help reduce anxiety and improve cognitive function in healthy older adults.
Over a ten-week period, participants consumed the probiotic daily and were assessed for cognitive abilities and emotional well-being.
While significant improvements were found in cognitive and emotional functions, including planning and memory, the study provided limited evidence specifically addressing anxiety benefits.
Therefore, while promising, the role of Lactobacillus rhamnosus for anxiety treatment in older adults remains uncertain.
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. doi:10.1016/j.clnu.2024.12.031
Al Kassaa I, Fuad M. Effects of HN001 on Happiness and Mental Well-Being: Findings from a Randomized Controlled Trial. Nutrients. 2024;16. doi: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. doi: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. doi: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. doi: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. doi: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. doi: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. doi: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. doi: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. doi: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. doi: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. doi: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. doi: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. doi: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. doi: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. doi: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. doi: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. doi: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. doi: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. doi: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. doi: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. doi:10.1111/nmo.14477
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. doi:10.4103/ijn.IJN_341_19
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. doi: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. doi: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. doi: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. doi: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. doi: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. doi: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. doi: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. doi: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. doi: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. doi: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. doi: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. doi: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. doi: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. doi:10.1038/s41598-020-58129-w
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. doi:10.1080/1028415X.2019.1598669
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. doi:10.1080/1028415X.2019.1646975
Gao K, Chen C, Zheng Z, Fan Q, Wang H, et al. strains with psychobiotic properties improve cognitive and mood alterations in aged mice. Front Nutr. 2024;11:1439094. doi:10.3389/fnut.2024.1439094
Gomes P, Laroute V, Beaufrand C, Daveran-Mingot ML, Aubry N, et al. Lactococcus lactis CNCM I-5388 versus NCDO2118 by its GABA hyperproduction ability, counteracts faster stress-induced intestinal hypersensitivity in rats. FASEB J. 2023;37:e23264. doi:10.1096/fj.202301588R
Ma J, Wang R, Chen Y, Wang Z, Dong Y. 5-HT attenuates chronic stress-induced cognitive impairment in mice through intestinal flora disruption. J Neuroinflammation. 2023;20:23. doi:10.1186/s12974-023-02693-1
Laroute V, Beaufrand C, Gomes P, Nouaille S, Tondereau V, et al. NCDO2118 exerts visceral antinociceptive properties in rat via GABA production in the gastro-intestinal tract. Elife. 2022;11. doi:10.7554/eLife.77100
Gao K, Farzi A, Ke X, Yu Y, Chen C, et al. Oral administration of WHH2078 alleviates depressive and anxiety symptoms in mice with induced chronic stress. Food Funct. 2022;13:957. doi:10.1039/d1fo03723d
Surzenko N, Pjetri E, Munson CA, Friday WB, Hauser J, et al. Prenatal exposure to the probiotic Lactococcus lactis decreases anxiety-like behavior and modulates cortical cytoarchitecture in a sex specific manner. PLoS One. 2020;15:e0223395. doi:10.1371/journal.pone.0223395
Ramalho JB, Soares MB, Spiazzi CC, Bicca DF, Soares VM, et al. In Vitro Probiotic and Antioxidant Potential of subsp. LL95 and Its Effect in Mice Behaviour. Nutrients. 2019;11. doi:10.3390/nu11040901