Legumes
Legumes are high-fiber, high-protein foods, including beans, lentils, and peas. These are also known for causing gas and bloating because of the indigestible sugars. You will want to pass on the following if you are having an ulcerative colitis flare-up:
- Soy nuts, including soybeans and edamame
- All beans, including chickpeas
- Adzuki beans