FDA Warns Against Counterfeit GLP-1 Receptor Agonists in Unauthorized Online Pharmacies
• The FDA issued an urgent safety alert on March 20, 2026, warning of counterfeit versions of semaglutide and tirzepatide circulating through unverified online retailers, with 47 adverse events reported including severe infections and allergic reactions. • Counterfeit products lack sterility assurance and may contain contaminated ingredients or incorrect dosing, posing serious health risks to consumers seeking weight loss or diabetes treatment. • The agency recommends patients obtain GLP-1 medications only through licensed pharmacies with valid prescriptions, emphasizing that legitimate suppliers require medical supervision.
fda.gov