"Symptoms of inflammatory bowel disease (IBD) can sometimes make it difficult for you to get enough calories and nutrition from food and supplements alone.

Your healthcare provider may recommend nutritional support therapy when IBD complications, such as weight loss, surgery, obstruction, or severe inflammation, prevent you from getting the right nutrients."

References:

1. https://www.crohnscolitisfoundation.org/diet-and-nutrition/nutritional-support-therapy