Nutritional neuroscienceJul 24, 2026

Effects of prebiotics, probiotics, and postbiotics on depression: a review and analysis of clinical trials

Gut-Brain Axis Weekly Brief ↗PubMed ↗DOI ↗

Updated Jul 25, 2026

Abstract

Depression is linked to gut-microbiota-dysbiosis.

Gut-microbiota-dysbiosis may influence brain function through the gut-brain axis.
Dietary biotics are suggested as a potential treatment for depression.
The relationship between gut health and mental health is increasingly recognized.

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