Bodybuilders Use This Peptide to Build Muscle. So Why Are People Injecting It Into Their Dogs? AOL Peptides are everywhere. Here's what you need to know. MIT Technology Review Imagine a compound that accelerates healing, reduces inflammation, and supports muscle recoverythat's BPC 157. This powerful peptide is derived from gastric juice and works by increasing growth factors at the site of Gary Brecka's Top Supplement Picks for Optimal Health FDA Is Expected to Lift Restriction on Peptides, Heeding RFK Jr.'s Wishes The New York Times