'People are turning themselves into lab rats': the injectable peptides craze sweeping the US Well actually The Guardian BPC 157: the ultimate healing peptide., Known for its powerful regenerative properties, BPC 157 is a synthetic peptide derived from proteins naturally found in the stomach. Its been shown to aid in 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 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