Powerful new obesity drug poised to upend weight loss care

As a growing number of overweight Americans clamor for Ozempic and Wegovy — drugs touted by celebrities and on TikTok to pare pounds — an even more powerful obesity medicine is poised to upend treatment.

Tirzepatide, an Eli Lilly and Co. drug approved to treat type 2 diabetes under the brand name Mounjaro, helped people with the disease who were overweight or had obesity lose up to 16% of their body weight, or more than 34 pounds, over nearly 17 months, the company said on Thursday.