【Institute for Advanced Biosciences】 Does the Gut Microbiome Really Change with Everyday Diet? A Study Reveals Remarkable Individuality and Stability in the Human Gut Environment

2025.12.05

A research group led by Visiting Researcher Chiharu Ishii (first author) and Project Professor Shinji Fukuda (corresponding author) at the IAB, Keio University, has demonstrated through a longitudinal study of 25 healthy Japanese individuals that the profiles of the gut microbiome and metabolites remain consistently stable and highly individualized, regardless of variations in daily diet.

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Does the Gut Microbiome Really Change with Everyday Diet?
A Study Reveals Remarkable Individuality and Stability in the Human Gut Environment