The Peptide Craze Part 2: BPC 157, NAD and the Truth Behind the Longevity Molecule Hype Peptide BPC 157 Does It Work? Breaking Down the Evidence and the Hype The Peptide Craze Ground Truths BPC 157 is the OG peptide that started the craze, and for good reason. BUT because one of the primary mechanisms of BPC 157 is to up regulate blood vessel formation, its led to BPC 157 Erectile Dysfunction Study: What the Evidence Actually Shows