Patients with Inflammatory Bowel Disease (IBD), disease in remission and chronic fatigue will receive high dose oral Thiamine treatment for 4 weeks in a RCT, cross-over study.~After the high dose treatment period, participants will be randomized to 3 months treatment with Thiamine 300mg/day or placebo.
Patients with Inflammatory Bowel Disease (IBD), disease in remission and chronic fatigue will receive oral Thiamine treatment for 4 weeks in a RCT, cross-over study.