Multifunctionality and Possible Medical Application of the BPC 157 PeptideLiterature and Patent Review The U.S. Food and Drug Administration is moving toward allowing compounding pharmacies to produce more than a dozen injectable peptides that were banned because of potentially significant safety risks, the New York 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. Copper Peptide (GHK Cu) 2% Recovery Serum Copper Peptides For Hair Growth GHK Cu Copper Peptides 99% Purity 1 Gram Powder For Skin Firming & Hair Growth Hguc Gp03