Is BPC157 Legal? WADA, FDA Status, and What You Need to Know Decoded with Dr Andrius: BPC 157 and Tendon Injuries Roam FDA to weigh easing limits on unproven peptides promoted by RFK Jr. Which non FDA (United States Food and Drug Administration) approved peptides, such as BPC 157 (Body Protection Compound 157) and TB 500 (Thymosin Beta 500), are likely legitimate for medical use under strict supervision? Peptide BPC 157 Does It Work? Breaking Down the Evidence and the Hype