fda warning letters glp-1 compounding september 2025 Issues 30 to Telehealth Firms Over Misleading Compounded Marketing Compound versions of GLP-1 drugs

Compounded semaglutide, while produced from the same active ingredient, is not FDA-approved as a finished product but meets rigorous pharmacy compounding standards

The most prescribed medications included phentermine, semaglutide (Wegovy), liraglutide (Saxenda), and tirzepatide (Zepbound)

Patients should be advised not to take ascorbic acid, vitamin C supplements along with deferoxamine chelation therapy unless such supplements are prescribed with the approval of their health care professional

Huang Z-L, Zhang Z, Qu W-M (2014) Roles of adenosine and its receptors in sleepwake regulation

Not instant or permanent : Weight loss is gradual, and stopping the medication often leads to weight regain