Lilly is warning the public that tirzepatide mixed with B12 is creating an impurity with “unknown effects” in humans.

The FDA has spent much of 2025 issuing warnings about a single, recurring problem with GLP-1 weight loss drugs: patients and ...

Many people around the world have likely heard of certain medicines gaining popularity for their supposed effectiveness in ...

Compounded GLP-1s for Weight Loss: What Are They and Are They Safe? GLP-1s (glucagon-like peptide-1 receptor agonists) are medications used to treat type 2 diabetes and obesity. You’ve probably heard ...

Eli Lilly said copycat versions of Zepbound that add B12 result in potentially dangerous impurities. The compounding industry ...

Does Compounded Semaglutide Work for Weight Loss? Compounded semaglutide can be an affordable alternative to brand-name weight loss injections like Ozempic and Wegovy. But it’s important to understand ...

WASHINGTON, March 12 (Reuters) - Compounded weight-loss drugs that contain vitamin B12 and the main ingredient in Eli Lilly's ...

Novo Nordisk’s CEO told CNN he is “alarmed” by the risks compounded versions of semaglutide — the active ingredient in the company’s diabetes drug Ozempic and weight loss drug Wegovy — are posing to ...

I first met Jane (not her real name, of course) on a Friday afternoon in our clinic. She was referred for further evaluation of her chest pain, which, in the context of her family history of ...

Hims & Hers is under scrutiny for promoting compounded weight-loss drugs in a Super Bowl ad without clear FDA approval or side effect disclosures. These compounded drugs, unlike generics, are not ...

Testing identified significant impurity formation when tirzepatide is compounded with B12 variants, suggesting chemical incompatibility that is not evaluated under FDA review pathways. Uncertainty ...