People are turning themselves into lab rats': the injectable peptides craze sweeping the US Well actually The Guardian 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? When will the FDA reclassify BPC 157 to Category 1? Odds & Predictions BPC 157 FDA Approval Status 2026: RFK Jr, Advisory Committee & Reclassification