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Semaglutide vs tirzepatide for weight loss: the honest head-to-head

Semaglutide vs tirzepatide for weight loss: the honest head-to-head

Semaglutide (Wegovy) and tirzepatide (Zepbound) are two prescription weight-loss shots that work in similar but not identical ways. In big trials, semaglutide 2.4 mg gave about 15% mean weight loss over 68 weeks, and tirzepatide gave about 20-21% over 72 weeks. A head-to-head trial found tirzepatide a bit ahead on average. Both need a doctor, a reduced-calorie diet, and activity, and both share the same class risks. This article compares them honestly so you can talk to your doctor with the facts in hand.

13 Jul 2026 · Burnie Academy
semaglutide tirzepatide weight-loss-medicines

If you are thinking about a prescription weight-loss shot, two names keep coming up: semaglutide (the medicine in Wegovy) and tirzepatide (the medicine in Zepbound). People ask: which one is better? Is tirzepatide just a stronger semaglutide? The honest answer is that they are different molecules, both work well, and in trials tirzepatide tended to produce a bit more weight loss on average. But more weight loss can also mean more side effects, and the choice is never yours alone to make. This is a comparison, not a recommendation. Your doctor chooses based on your body, your other conditions, what is available, what you can afford, and how you tolerate the medicine. Read this so you can ask your doctor better questions.

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