The science behind the peptide craze Scientific American Peptides eh? : r gymsnark Peptides BPC 157 promise to help heal and recover you from injuries and tough workouts (and do way more than that sometimes too!). But theres limited research into their effectiveness. So how do you Peptides are everywhere. , People take them for recovery, to build muscle, to lose fat, to improve their skin, and more., But are they really worth it? link in bio