Understanding the Legal Risks of BPC 157 and Other Unapproved Peptides Holt Law 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 Deep Dive: Regulatory Status of Popular Compounded Peptides Holt Law