bpc 157 vs ozempic Is a Biologic? GLP-1 vs. Peptide Therapy: What's
Description
This article explains why a person with Crohns disease may have a vitamin B12 deficiency and how doctors may diagnose it

Studies from the NIH Office of Dietary Supplements confirm this mechanism

The BMJ

Side effects include abdominal pain and discomfort, oily or fatty stools, gas
