Peptide BPC 157 Does It Work? Breaking Down the Evidence and the Hype The Peptide Craze Part 2: BPC 157, NAD and the Truth Behind the Longevity Molecule Hype Peptide Therapy for Pain Management and Healing Core Medical & Wellness BPC 157 No Proof Required! Office for Science and Society McGill University 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.