FDA to weigh easing limits on unproven peptides Why Are People Injecting Themselves with Peptides? The New Yorker Compounded "semaglutide" is not FDA approved semaglutide.com The FDA scheduled a hearing on peptides and the implications could be significant for prescribers and 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 Legal? Understanding Its Status and Implications