FDA Peptide Update: Category 2 Removals Explained 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 Multifunctionality and Possible Medical Application of the BPC 157 PeptideLiterature and Patent Review Some peptides are FDA approved drugs. Some are legal supplements. Some are neither. The same word, peptide, covers all three categories. The regulatory status of the specific compound is what determines legality. Is BPC 157 Banned? Oral vs. Injectable Forms Explained