Not all peptides are created equal. And not all peptide sources are safe. At Synergy, every protocol starts with a complimentary consultation with a provider who actually knows what they're doing. Peptide: BPC 157 & TB 500 in The Colony TX 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 Healing Peptides: Hype or Hope? A Doctor's Comprehensive Perspective MSK Doctor Zaid Matti