Darren first heard about MK 677 in the backroom of a gym that smelled like old chalk, sweat, and secrets. It wasn't on the supplement shelf or being hyped on a billboard. It TLDR; no. BPC 157 is a peptide that is not approved by the FDA, but it seems like our good friends over at the supplement industry marketing team have gotten their hands on Peptide BPC 157 Does It Work? Breaking Down the Evidence and the Hype How did BPC 157 become the wellness industry's star peptide?