Gray Market Peptides: So Much Hype, So Little Data BPC 157 aka Wolverine. This peptide is not FDA approved, but it is very popular among the biohacking population. Ashley explains the science behind it, but remember, it doesnt have human data yet, so BPC 157 and Erectile Dysfunction: What the Evidence Actually Shows FDA to weigh easing limits on unproven peptides of the Federal Food, Drug, and Cosmetic Act (FDCA).* What are peptides? The treatments promising weight loss and better skin, explained Vox