Peptide Therapy in Brandon & Lakeland, FL BPC 157, TB 500 & GHK Cu BPC 157 Mark Hyman, MD 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 Oral Peptides: FAQs on Bioavailability, Safety, and Clinical Use AJMC BPC 157: What It Is, What We Know, and Why Its Use for Arthritis Remains Unproven San Diego Orthobiologics Medical Group