BPC 157 Explained: Benefits, Safety & Oral vs Injectable Options Why Are People Injecting Themselves with Peptides? The New Yorker 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. Peptides and the Role They Play in Treating Foot Pain Lighthouse Foot and Ankle