BPC 157 & The Gut Brain Axis: A Practitioner's Definitive Review of the Evidence 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 Understanding Negative Side Effects of Peptides: Mechanisms and Prevention BPC 157 is one of the peptides that has been getting a lot of attention recently. It is a synthetic peptide derived from a protein found in human gastric juice. In experimental research, BPC 157 No Proof Required! Office for Science and Society McGill University