Stable Gastric Pentadecapeptide BPC 157 and Striated, Smooth, and Heart Muscle Most people dabble with peptides But don't feel the full therapeutic effect when used appropriately. For the past 7+ years, BPC 157 has been the cornerstone of my stack (cycled) For optimization and BPC 157 Cost: What You Need to Know 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.