$200 got me a vial of peptides in minutes, AI teaches how to inject it 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 The Human Lab Rats Injecting Themselves with Peptides Office for Science and Society McGill University The science behind the peptide craze Scientific American Peptides are surging in popularity. There's little evidence that they work.