The study compared three types of the medication: tirzepatide (better known under the brand names Zepbound and Mounjaro), semaglutide (sold as Wegovy and Ozempic), and liraglutide (aka Saxenda and Victoza).
Source: [The Hill](https://thehill.com/policy/healthcare/5932371-which-glp-1-works-best-new-meta-study-puts-them-head-to-head/)