Probiotic rankings in IBS leave the size of mental health benefits unclear
Different probiotics led rankings for quality of life, depression, and anxiety in IBS. The abstract leaves the size of improvement and comparative safety unclear.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
The review suggests possible benefits for quality of life, depression, and anxiety in people with irritable bowel syndrome. Different probiotics ranked highest for different outcomes, and the authors called for stronger trials. Because the abstract mainly presents ranking scores, it does not show the size or precision of symptom improvements for each probiotic.
The abstract omits effect estimates with uncertainty, trial durations, and safety results. It also gives limited strain details, preventing a precise assessment of individual products.
What researchers found
Quality-of-life ranking score for B. longum
SUCRA score among treatments, including placebo: a ranking measure, not a percentage improvement in quality of life. Follow-up duration was not reported.
What ranked highest
Bifidobacterium longum ranked highest for quality of life. Probiotic combinations led the depression ranking, while Lactobacillus acidophilus led the anxiety ranking. These are separate outcome rankings, not evidence that one option is best overall.
What placebo comparisons add
The abstract reports statistically significant advantages over placebo for B. longum and probiotic combinations, but does not specify the outcome for that statement. That prevents a precise account of the benefits behind those comparisons.
The original publication
Comparative effectiveness and safety of probiotics with psychotropic potential in mental health benefits in irritable bowel syndrome: a systematic review and network meta-analysis.
Rokkas T, Ekmektzoglou K, Tsanou E et al.
Eur J Gastroenterol Hepatol · 2026
- PubMed ID
- 40929652
- Record checked
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