Eli Lilly’s Mounjaro could outpace Ozempic as the most powerful treatment on the market. To develop it, the drug company needed to overhaul long-held but failing practices. 

People who are overweight are flocking to the drug Ozempic to slim down. Looming is an even more powerful weight-loss treatment.

The drug Mounjaro helped a typical person with obesity who weighed 230 pounds lose up to 50 pounds during a test period of nearly 17 months.