The Peptide Boom Is Getting Out of Hand The Atlantic Ask anyone from gym bros to marathoners to your 65 year old dad who says he's suddenly spry and you'll hear about BPC 157's potential to heal tendons and ligaments, speed up postsurgical recovery, and Have you used peptides? What are your thoughts? Let me know below Peptides are short chains of amino acids that play vital roles in cellular signaling and repair throughout the body. Healthletic BPC 157 Under Review: Best Body Protection Compound Oral Peptides with Science Backed Results The Human Lab Rats Injecting Themselves with Peptides Office for Science and Society McGill University