BPC 157 Prime Human Labs BPC 157 TB 500 NextGenPeps BPC 157: Miracle Healing Peptide or Hidden Danger? What Is BPC 157? A Medical Clinic's Guide to the Body Protective Peptide, Its Uses, and What It Actually Does Perfect B BPC 157 Mark Hyman, MD 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.