Think twice before injecting peptides bought online: unauthorized products can seriously harm you Canada.ca Understanding Negative Side Effects of Peptides: Mechanisms and Prevention BPC 157: The Promise and Perils of a Healing Peptide: Apple, Alex: 9798319471673: Amazon.com: Books BPC 157: The Secret Weapon for Injury Repair & Gut Health Desert Mobile Medical Desert Mobile Medical, PLC 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, 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