Diet Treatment of Patients With Ulcerative Colitis in Remission

Patients are randomized to either standard care, low FODMAP diet or a normal FODMAP diet. Run-in on a low FODMAP diet, thereafter parallel design where one arm is assign a blinded food supplement with low FODMAP content and the other arm is assigned a blinded food supplement containing FODMAP. A control group is "watchful waiting". Symptom reports, blood, and fecal samples are collected.