The Tiny Powerhouses: How Peptides Could Revolutionize Orthopedic Healing Regenexx at New Regeneration Orthopedics PEPTIDES , How BPC 157 actually works:, BPC 157 is a synthetic peptide derived from a protective compound naturally found in your stomach lining., Its a 15 amino acid sequence thats been studied Peptides, Drugs And Supplements: Science, Risks, And Alternatives Los Angeles Times Should i take BPC 157? BPC 157 is a chain of 15 amino acids derived from a protein naturally found in your stomach lining. It has over 30 years of preclinical research behind it