In a nutshell Tirzepatide (Mounjaro) produced 20.2% weight loss compared to semaglutide’s (Wegovy) 13.7% after 72 weeks of treatment Tirzepatide users experienced greater waistline reduction (7.2 inches vs.

In a 72-week trial, people taking Zepbound lost 50 pounds on average, compared with about 33 pounds for people taking Wegovy.

A head-to-head trial found that tirzepatide led to significantly greater weight loss and waist reduction than semaglutide in adults with obesity but without diabetes. Over 72 weeks, tirzepatide helped more participants reach key weight loss milestones,