Does BPC 157 Cause Erectile Dysfunction? Evidence and Safe Treatments Bolt Pharmacy Frontiers Stable Gastric Pentadecapeptide BPC 157 and Wound 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 Multifunctionality and Possible Medical Application of the BPC 157 PeptideLiterature and Patent Review I spent 4 months reporting on the peptide BPC 157 and its unlikely journey from a research lab in post communist Croatia to today's MAHA movement. Ask me anything. : r IAmA