The Human Lab Rats Injecting Themselves with Peptides Office for Science and Society McGill University BPC 157 is one of the most talked about peptides and for good reason. Originally discovered in the gastric juices of the stomach, this peptide helps protect and repair the intestinal lining and BPC 157: Miracle Healing Peptide or Hidden Danger? Systemic Benefits of BPC 157: Fat Loss & Workout Recovery What Is BPC 157? A Medical Clinic's Guide to the Body Protective Peptide, Its Uses, and What It Actually Does Perfect B BPC 157 has already hit the mainstream, but should it hit your bloodstream?