The Human Lab Rats Injecting Themselves with Peptides Office for Science and Society McGill University BPC 157 vs. TB 500: Which One Actually Works? Dr. McKenna's Orthopedics and Biologics Texas What Is BPC 157? A Medical Clinic's Guide to the Body Protective Peptide, Its Uses, and What It Actually Does Perfect B 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.