Study Finds Compounded GLP-1 Market Remains Strong Despite FDA Crackdown

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A new study published in JAMA Health Forum suggests the market for compounded GLP-1 weight-loss drugs remains robust despite the FDA's resumption of enforcement against copies of commercially available products following the end of semaglutide and tirzepatide shortages.

Researchers conducted a "secret shopper" survey of 75 weight-loss clinics and medical spas in Oklahoma and West Virginia and found that more than half (56%) offered compounded GLP-1 products mixed with B vitamins, while about 9% sold oral formulations. The study also identified 23 compounding pharmacies supplying the products, including four that lacked licenses for sterile compounding and four that had been subject to FDA warning letters or state disciplinary actions since 2023.

The authors concluded that, although the FDA has resumed enforcement against unauthorized copies of GLP-1 drugs, compounders continue to market products with added ingredients that may fall outside those restrictions. They said the findings raise ongoing clinical and regulatory concerns because some suppliers lacked appropriate sterile compounding credentials or had histories of regulatory violations.

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