Eli Lilly & Co.’s obesity drug Zepbound helped people trim about two inches more off their waists than Novo Nordisk A/S’s ...

Participants who took tirzepatide (Zepbound) dropped an average of 50 pounds over 72 weeks. Those who took semaglutide ...

Researchers compared two popular weight-loss injections and found that while both helped people lose kilos, one turned out to be more effective.