Fiberand Gut health.
Evidence gradeA
ImpactStrong
Confidencehigh
Imported rating. This grade comes from SuppCo and has not been independently reviewed. It describes research, not a product, and it is not medical advice.
The rating
- Direction
- Favourable
- Rated by
- SuppCo
- Observed
- 28 September 2026
Studies behind it
Dietary fiber intervention on gut microbiota composition in healthy adults: a systematic review and meta-analysis.Daniel So · The American journal of clinical nutrition2018The Effects of Intact Cereal Grain Fibers, Including Wheat Bran on the Gut Microbiota Composition of Healthy Adults: A Systematic ReviewA. Jefferson · Frontiers in Nutrition2019Dietary Fiber Intake and Gut Microbiota in Human HealthJiongxing Fu · Microorganisms2022