Mounjaro is more effective for weight loss than Ozempic. So how does it work? And why does it cost so much?

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A weight-loss drug more effective than Ozempic and Wegovy has recently been approved in Australia.

The drug, tirzepatide, is sold under the brand name Mounjaro and affects feelings of hunger and fullness, as well as changing how the body processess food. (In other countries, tirzepatide is also sound under the brand name Zepbound.)