WHO and Eli Lilly caution patients against falling for fake versions of popular weight-loss drugs

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By Yosi Yahoudai
Founder and Managing Partner

The pharmaceutical company said fake versions of its drugs frequently advertised or sold online are never safe to use.

WASHINGTON — The World Health Organization and drugmaker Eli Lilly and Co. are warning people to be wary of fake versions of popular weight-loss and diabetes medicines.

WHO said Thursday that it has fielded several reports of fake semaglutide — the active ingredient in Novo Nordisk’s Wegovy and Ozempic — in all geographic regions of the world since 2022.

Lilly said in an open letter that it was “deeply concerned” about growing online sales and social media posts involving phony or compounded versions of tirzepatide, the active ingredient behind its drugs Mounjaro and Zepbound.

The Indianapolis-based company said it was the only lawful supplier of those drugs, and it does not provide tirzepatide to compounding pharmacies, wellness centers or online retailers.

Lilly said fake versions of its drugs frequently advertised or sold online are never safe to use.

Novo Nordisk has issued similar warnings in the past about its medications.

WHO said patients can protect themselves by using prescriptions from licensed physicians to buy the medications. The agency said patients also should avoid buying the drugs from unfamiliar sources.

Lilly said any products marketed as tirzepatide and not Mounjaro or Zepbound were not made by the drugmaker and are not approved by the U.S. Food and Drug Administration.

The Associated Press Health and Science Department receives support from the Howard Hughes Medical Institute’s Science and Educational Media Group. The AP is solely responsible for all content.

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About the Author
Yosi Yahoudai is a founder and the managing partner of J&Y. His practice is comprised primarily of cases involving automobile and motorcycle accidents, but he also represents people in premises liability lawsuits, including suits alleging dangerous conditions of public property, third-party criminal conduct, and intentional torts. He also has expertise in cases involving product defects, dog bites, elder abuse, and sexual assault. He earned his Bachelor of Arts from the University of California and is admitted to practice in all California State Courts, and the United States District Court for the Southern District of California. If you have any questions about this article, you can contact Yosi by clicking here.