The aim of this project, would be to develop a new formula, with high nutrition content on a vegan basis. The investigators expect to produce this novel vegan-based juice product, which does not exist on the marked today. The juice would consist of different selected varieties of vegetables and fruits. Beside the vegetables, the juice will also contain plant oils to increase the calorie level, as well as a protein sources containing amino acids with high anabolic effects.

The products will be tested in an intervention study on patients with inflammatory bowel disease.

Inclusion Criteria:

• Between 18 and 85 years old
• Diagnosed with or show signs of UC or Crohns disease
• Mild symptoms i.e intestinal symptoms
• Has had the same medicin the previous week before starting in the study

Exclusion Criteria:

• Food or vegetable allergi
• Cognitive diseases e.g alzheimers or dementia
• Has diabetes requiring insulin or GLP-1 analog treatment (NB: No does include T2D patients, taking tablets or other diabetes therapy)