Peptides take off as a DIY treatment but is that a good idea? : NPR AP's BPC 157 peptide warning skips every doctor who disagrees Seattle Red Why Are People Injecting Themselves with Peptides? The New Yorker What Peptides Are Legal in the U.S.? Understanding FDA Approval, Compounding, and the Legal Gray Areas Holt Law Peptides are a HUGE category. Were talking about everything from insulin to GLP 1s Some are incredibly well researched and FDA approved., But in the injury recovery world? Thats where it gets a Gray Market Peptides: So Much Hype, So Little Data