While the drugs certainly contribute to weight loss and health gains, they also cause a decline in muscle that some doctors find concerning. In trials of Wegovy, up to 40% of weight loss was from a decrease in lean or fat-free mass, rather than excess fat. In addition, quitting the drugs can mean adding back the pounds.

According to a study funded by Eli Lilly, the trial revealed that participants taking tirzepatide, the drug sold as Zepbound, lost an average of 50 pounds, while those who took semaglutide, or Wegovy, lost about 33 pounds. The two weight-loss drugs are ...

A new federal ruling means that patients will no longer have access to cheaper versions of Eli Lilly weight loss and diabetes drugs from compounding pharmacies.

Eli Lilly said sales of weight loss drug Zepbound and diabetes treatment Mounjaro soared in the first quarter.

CVS Caremark decided to stop offering one product in favor of another for weight loss, the latest example of insurance-imposed limits that disrupt treatment.

Some of the bankrupt company’s closest rivals, newer telehealth firms, face a new challenge of their own as federal regulators crack down on the