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 & The Gut Brain Axis: A Practitioner's Definitive Review of the Evidence BPC 157 & The Gut Brain Axis: A Practitioner's Definitive Review of the Evidence 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