BPC 157 vs. TB 500: Which Peptide Is Better for Your Recovery? BPC 157 has a decades long safety record with zero deaths or hospitalizations. Yet, it's unapproved because the FDA process is too expensive and the business model doesn't allow for profit. Approved drugs with FDA Puts BPC 157, TB 500, and 5 Other Peptides Under the Microscope: What Prescribers Need to Know About the 503A Review Lengea Healing Ankle Injuries: PRP vs BPC 157 & Regenerative Medicine BPC 157 Dosage: A Complete Guide Dr. Rogers Centers.com