Gut feeling: can a probiotic lift depression?
NCT ID NCT07562516
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether a probiotic called Bifidobacterium PB-18 can improve symptoms of mild to moderate depression in adults aged 18 to 65 who are not taking antidepressants. Participants will take either the probiotic or a placebo daily for 8 weeks. Researchers will measure depression scores, check for side effects, and explore how the gut-brain connection might be involved.
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