BPC 157: Miracle Healing Peptide or Hidden Danger? Dupuytren's contracture is caused by a fibroproliferative disease in which fibrous cords form in the hand, pulling one or more fingers into a bent position and interfering with hand function. What Is BPC 157? A Medical Clinic's Guide to the Body Protective Peptide, Its Uses, and What It Actually Does Perfect B Pentadecapeptide BPC 157 and its effects on a NSAID toxicity model: Diclofenac induced gastrointestinal, liver, and encephalopathy lesions ScienceDirect BPC 157 Mark Hyman, MD