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Evidence-Based Supplement Research

Evidence-Based Supplement Research

Oat and Increased Fecal Butyrate Levels

Doses used in studies

g/day: 80 (median 80, IQR 80–80) — 1 study

Time to effect

Median: 2 days · IQR 2 days–2 days · Range 2 days–2 days — Reported in 1 of 1 study

1 of 1 paper

Calorie-restricted oat diet is associated with zonulin and short-chain fatty acid response in metabolic syndrome: a randomized controlled trial.
- 2026-04-23
- RCT
- Gut microbes 18(1)
- - Linda Klümpen
  - Aakash Mantri
  - Anna Donkers
  - Waldemar Seel
  - Birgit Stoffel-Wagner
  - Martin Coenen
  - Matthias Schmid
  - Leonie Weinhold
  - Fabian Grein
  - Patrick Newels
  - Janis Bedarf
  - Ullrich Wüllner
  - Peter Stehle
  - Marie-Christine Simon
- PubMed: 42026801
- DOI: 10.1080/19490976.2026.2662687
2 Insights on
- Increased Fecal Butyrate Levels
- High evidence
- Clinical
During the 6-week isocaloric oat diet, these parameters remained stable
Effect
Neutral
Effect size
Small
Significant
No
Dose
1 × 80 g oatmeal/d for 6 weeks (isocaloric diet)