Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

High dietary fibre intake and gut microbial diversity

Menni, C. et al.

2017

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Summary

Published in Genome Medicine in 2017, this study by Menni and colleagues investigates the association between dietary fibre consumption and gut microbial diversity, likely drawing on data from a large population cohort such as TwinsUK. The paper contributes to the evidence base linking dietary patterns — specifically fibre intake — to the composition and diversity of the gut microbiome, a domain increasingly recognised as relevant to broader metabolic and immune health. Findings are likely to suggest that higher fibre diets are associated with more diverse gut microbial communities, though causal directionality cannot be established from an observational design.

UK applicability

The study is likely based on a UK cohort (TwinsUK), making the findings directly applicable to UK dietary and public health contexts, and potentially informative for UK dietary guidelines regarding fibre recommendations.

Key measures

Gut microbial diversity indices (e.g. alpha and beta diversity); dietary fibre intake (g/day); gut microbiome composition (16S rRNA or metagenomics sequencing)

Outcomes reported

The study examined the relationship between habitual dietary fibre intake and gut microbiome diversity, likely reporting associations between higher fibre consumption and greater species richness or compositional variation in the gut microbiota.

Theme
Nutrition & health
Subject
Gut microbiome & dietary patterns
Study type
Research
Study design
Observational cohort
Source type
Peer-reviewed study
Status
Published
Geography
UK
System type
Human clinical
Catalogue ID
XL0292

Topic tags

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