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. FDA takes first step in possible reversal of ban on some peptides The Washington Post FDA to weigh easing limits on unproven peptides When will the FDA reclassify BPC 157 to Category 1? Odds & Predictions Is BPC 157 Legal? Understanding Its Status and Implications