Understanding Negative Side Effects of Peptides: Mechanisms and Prevention PEPTIDE PLAYBOOK EPISODE 1: BPC 157 Kicking off the series with the peptide that's taken the biohacking world by storm: BPC 157. Known as the Body Protection Compound, it's praised for healing 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 What Is BPC 157? A Medical Clinic's Guide to the Body Protective Peptide, Its Uses, and What It Actually Does Perfect B Can BPC 157 Help with Erectile Dysfunction?