A randomised trial in 65 German students (Ann Med, 2024): after 8 weeks, a vegan diet provided more fibre (about 35 vs 23 g/d) than a meat-rich diet, with no change in stool consistency or gastrointestinal quality of life.

Annals of Medicine · 2024Open accessPMID 38327148

Key facts

Who was studied: Physically active German university students
Sample: 65 people
Duration: 8 weeks
Main result: Fibre intake was 34.89 (18.46) g/d on the vegan diet versus 22.79 (12.5) g/d on the meat-rich diet.
Authors: Herter J et al.
Full text: PubMed Central (free)DOI 10.1080/07853890.2024.2305693

Editorial summary by Vegan Guide based on the publication. This is not medical advice.

Study details

Limitations

Modest sample size and potential reporting bias
No gut microbiota analysis
Free-living participants with no meals provided

Funding: Karl und Veronika Carstens-Stiftung

Conflict of interest: declared