Soluble fiber, found in foods like oat bran, beans, peas, and citrus fruits, can cause more gas and bloating than insoluble fiber because intestinal flora digest it.
Notes on verification
Confirmed by multiple independent, credible sources including medical/health organizations (IFFGD, Mayo Clinic, Medical News Today) that agree on both the food sources and the fermentation mechanism causing gas. [tier=unverified indep_score=0.3 clusters=3 claim_tier=notable] [rescored 2026-09-15: curated origin-host map (PR #65); unclassified hosts no longer scored as aggregators]
Sources
- 9 Surprising Facts About Your Stomach - WebMD (seed:health_and_medicine)
- https://iffgd.org/gi-disorders/symptoms-causes/intestinal-gas/foods-that-may-cause-gas/ (corroboration)
- https://www.medicalnewstoday.com/articles/314530 (corroboration)
- https://www.mayoclinic.org/healthy-lifestyle/nutrition-and-healthy-eating/in-depth/fiber/art-20043983 (corroboration)