Table I.

Clinical practice guidelines summarising dietary advice regarding fibre intake in IBD. Based on [10]

Phases/states of the IBD	Guidelines
Moderate/severe disease activity, fistulas, strictures, after surgery (e.g. colectomy)	Low-fibre diet, especially without: whole-grain products, brown rice, wild rice, bran corn, corn hulls, popcorn nuts, seeds raw fruits, fruits with seeds (except peeled apple, ripe banana and melon) beans raw vegetables, potatoes with skins prune juice
Periods of no symptoms, no or mild disease activity	Slow reintroduction of high-fibre foods one at a time in small amounts, to meet AI* recommendations for dietary fibre
Ulcerative proctitis	Consider high-fibre diet in case of constipation

^*AI – Adequate intake for age and gender.