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. BPC 157: Tendon Repair and More Peptides BPC 157 promise to help heal and recover you from injuries and tough workouts (and do way more than that sometimes too!). But there's limited research into their effectiveness. So how do Too often, BPC 157 gets boxed into a single use: injury recovery. Gabriel Alizaidy, MD, MS