BPC 157 Mark Hyman, MD Heard about BPC 157 in health and wellness products? Think it's a "miracle" peptide? Think again. Claims about BPC 157 are based on lab or animal studies, NOT human clinical studies. Don't What Is BPC 157? A Medical Clinic's Guide to the Body Protective Peptide, Its Uses, and What It Actually Does Perfect B What Is BPC 157? A Medical Clinic's Guide to the Body Protective Peptide, Its Uses, and What It Actually Does Perfect B Dr. TLDR: BPC 157 has not been proven to cause cancer. But it has also not been proven safe in people with active cancer, recent cancer, premalignant conditions, suspicious lesions, or high