FDA Puts BPC 157, TB 500, and 5 Other Peptides Under the Microscope: What Prescribers Need to Know About the 503A Review Lengea BPC 157: Miracle Healing Peptide or Hidden Danger? FDA Targets GLP 1 and Peptide Compounding, Advertising and 'Research Use Only' Labeling 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