Inclusion criteria
Crohn’s disease, ulcerative colitis, gastrointestinal inflammation
DISEASE, GASTROINTESTINAL INFLAMMATION, ULCERATIVE COLITIS

Male or female aged between 18 and 65 years (included)Well-characterized Crohn’s disease or ulcerative colitis (physician assessment):◦ Fulfilling standard clinical, endoscopic, radiologic, and histological criteria according to clinical guidelinesA minimum of 1 year of disease duration from the time of diagnosis to the inclusionOne or more of the following pharmacological treatments within 3 months before inclusion:◦ 5-Aminosalicylic acid◦ Corticosteroids◦ Azathioprine, 6-mercaptopurine, methotrexate◦ Anti-TNFα (infliximab, adalimumab, golimumab), ustekinumab, or anti-integrin (vedolizumab)Disease activity defined by clinical disease score:◦ HBI [◦ SCCAI [Marker for gastrointestinal inflammation:◦ Fecal calprotectin > 200 mg/g [The patient must be medically evaluated for safe participation in the intervention by the physician in charge of the patient