As unregulated peptides grow in popularity, doctors warn of unknown risks ABC7 San Francisco Have you thought about taking peptides that aren't approved by the FDA? Think again. CBS News' chief medical correspondent, @drlapook, shares a cautionary tale from medical history about why testing medications is Sources: U.S. Food and Drug Administration (FDA) Compounding and the FDA (503A & 503B guidance) FDA warning letters on unapproved peptide products National Institutes of Health (NIH) PubMed Is Your Peptide Store Website FDA Aligned? onPoint Studio Web Design and Development Services The wellness world is eager for RFK Jr.'s promised move on peptides : NPR What Peptides Are Legal in the U.S.? Understanding FDA Approval, Compounding, and the Legal Gray Areas Holt Law