Overview Oral Nano Vitamin D Supplementation Efficacy in Inflammatory Bowel Disease Status: Recruiting Trial end date: 2024-01-01 Target enrollment: Participant gender: Summary The purpose of this study is to compare efficacy of the suplementation using the conventional oral and oral nano form of the calciferol. Phase: Phase 4 Details Lead Sponsor: Tomas Bata Hospital, Czech RepublicCollaborator: Faculty Hospital Kralovske VinohradyTreatments: Vitamin D