topicProbiotic Digestive Symptoms Meta-Analysis
claimTo synthesize the available evidence, multiple systematic reviews with meta-analyses have been published [,,,,,,,,,,,,,,,,,,,,,,,,,,,,,] ().
evidence level1
citationMaslennikov Roman (2026)
sourceStrain-Specific Systematic Review with Meta-Analysis of Probiotics Efficacy in the Treatment of Irritable Bowel Syndrome
topicProbiotic Digestive Symptoms Meta-Analysis
claimIn accordance with the principles of evidence-based medicine, meta-analyses of randomized placebo-controlled trials (RPCTs) provide the highest level of evidence, as they minimize bias and allow an assessment of the reproducibility of results.
evidence level1
citationMaslennikov Roman (2026)
sourceStrain-Specific Systematic Review with Meta-Analysis of Probiotics Efficacy in the Treatment of Irritable Bowel Syndrome
topicProbiotic Digestive Symptoms Meta-Analysis
claim54 The risk of bias of the included studies was assessed using the Cochrane Risk of Bias 2 (RoB 2) tool [].
evidence level1
citationMaslennikov Roman (2026)
sourceStrain-Specific Systematic Review with Meta-Analysis of Probiotics Efficacy in the Treatment of Irritable Bowel Syndrome
topicProbiotic Digestive Symptoms Meta-Analysis
claim1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 Supplementary Table S1 Irritable bowel syndrome (IBS) is one of the most common gastrointestinal disorders worldwide [].
evidence level1
citationMaslennikov Roman (2026)
sourceStrain-Specific Systematic Review with Meta-Analysis of Probiotics Efficacy in the Treatment of Irritable Bowel Syndrome
topicProbiotic Digestive Symptoms Meta-Analysis
claimThis review adopts a systems-level perspective to synthesize emerging evidence on probiotic-driven gut–brain, gut–skin, gut–oral, and metabolic interactions, emphasizing shared mechanisms rather than isolated clinical outcomes.
evidence level3
citationZalila-Kolsi Imen (2026)
sourceProbiotics and the Human Microbiome: Classical Functions, Emerging Systemic Roles, and Future Therapeutic Frontiers
topicProbiotic Digestive Symptoms Meta-Analysis
claimIn parallel, advances in encapsulation and delivery technologies have improved probiotic survival during gastrointestinal transit, thereby enhancing their functional efficacy within the gut.
evidence level3
citationZalila-Kolsi Imen (2026)
sourceProbiotics and the Human Microbiome: Classical Functions, Emerging Systemic Roles, and Future Therapeutic Frontiers
topicProbiotic Digestive Symptoms Meta-Analysis
claimrhamnosus 14 16 Functionally, experimental and clinical studies indicate that strain-specificspecies, such as,, and, regulate gut motility and carbohydrate metabolism, contributing to improved lactose digestion and alleviation of constipation and bloating [].
evidence level3
citationZalila-Kolsi Imen (2026)
sourceProbiotics and the Human Microbiome: Classical Functions, Emerging Systemic Roles, and Future Therapeutic Frontiers
topicProbiotic Digestive Symptoms Meta-Analysis
claim1 2 3 4 5 Lactobacillus Bifidobacterium Enterococcus Streptococcus Saccharomyces boulardii, The term “probiotics,” which comes from the Greek word “for life,” refers to live microorganisms that, when given in sufficient quantities, promote the host’s health [].
evidence level3
citationZalila-Kolsi Imen (2026)
sourceProbiotics and the Human Microbiome: Classical Functions, Emerging Systemic Roles, and Future Therapeutic Frontiers