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 doesn't have human data yet, so FDA takes first step in possible reversal of ban on some peptides The Washington Post Regulatory Alert: The Legal Status of BPC 157 in Compounding and Clinical Practice Holt Law What are peptides? The treatments promising weight loss and better skin, explained Vox