topicProbiotics Anxiety Randomized Trial
claimIt is estimated that fibromyalgia can result in up to approximately 36 000$ of annual direct costs per patient in the US, imposing a considerable burden on the health care systems.
evidence level1
citationNakhostin-Ansari Amin (2026)
sourceEffects of probiotics on psychological issues in people with fibromyalgia: a systematic review
topicProbiotics Anxiety Randomized Trial
claimThe presence of these comorbid medical conditions can make the diagnosis of fibromyalgia challenging, which could lead to mismanagement, overtreatment, and increased drug side effects.
evidence level1
citationNakhostin-Ansari Amin (2026)
sourceEffects of probiotics on psychological issues in people with fibromyalgia: a systematic review
topicProbiotics Anxiety Randomized Trial
claimTherefore, proper diagnosis of fibromyalgia and its associated comorbidities is crucial for effective management of the conditions.
evidence level1
citationNakhostin-Ansari Amin (2026)
sourceEffects of probiotics on psychological issues in people with fibromyalgia: a systematic review
topicProbiotics Anxiety Randomized Trial
claim1 2 [,] 3 [] 4 [] 5 6 [,] 7 8 [,] 7 8 [,] 5 [] Fibromyalgia is a syndrome characterized by chronic widespread musculoskeletal pain, often accompanied by a range of other symptoms, including sleep disturbances, excessive fatigue, and psychological issues such as depression.
evidence level1
citationNakhostin-Ansari Amin (2026)
sourceEffects of probiotics on psychological issues in people with fibromyalgia: a systematic review
topicProbiotics Anxiety Randomized Trial
claimConclusion In this randomized, double‑blind, placebo‑controlled pilot trial, both probiotic and placebo groups showed significant improvements in depressive and anxiety symptoms over time, with no significant between‑group differences.
evidence level2
citationMosavat SH (2026)
sourceEffect of probiotic supplement on improvement of depressive symptoms in patients with substance-induced depressive disorder: a randomized, double-blind, placebo-controlled clinical trial.
topicProbiotics Anxiety Randomized Trial
claimProbiotic supplementation was associated with non‑significant trends in selected inflammatory markers, suggesting possible immunological effects that warrant further investigation.
evidence level2
citationMosavat SH (2026)
sourceEffect of probiotic supplement on improvement of depressive symptoms in patients with substance-induced depressive disorder: a randomized, double-blind, placebo-controlled clinical trial.
topicProbiotics Anxiety Randomized Trial
claimBackground Substance-Induced Depressive Disorder (SIDD) accounts for a high health burden and requires new therapies.
evidence level2
citationMosavat SH (2026)
sourceEffect of probiotic supplement on improvement of depressive symptoms in patients with substance-induced depressive disorder: a randomized, double-blind, placebo-controlled clinical trial.
topicProbiotics Anxiety Randomized Trial
claimBidirectional communications between the gut and the brain mediated by the microbiota point to a possible influence of probiotics as a tool for preserving mental health.
evidence level2
citationMosavat SH (2026)
sourceEffect of probiotic supplement on improvement of depressive symptoms in patients with substance-induced depressive disorder: a randomized, double-blind, placebo-controlled clinical trial.