Those who take tirzepatide, the drug sold as Zepbound and Mounjaro, could lose more weight than those who take semaglutide, known as Ozempic and Wegovy, according to new research.

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Participants who took Eli Lilly’s tirzepatide, which is sold as Zepbound, lost 50 pounds on average, while those using Novo Nordisk’s semaglutide, also known as Wegovy, lost an average of 33 pounds.