BPC 157 for athletes and injury treatment: Science, safety, and legal concerns 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 BPC 157 and TB 500: Injury Healing Peptides Jonathan L. Glashow posted on the topic LinkedIn How did BPC 157 become the wellness industry's star peptide? Too often, BPC 157 gets boxed into a single use: injury recovery. Gabriel Alizaidy, MD, MS Peptide Therapy for Pain Management and Healing Core Medical & Wellness