It is being developed by Eli Lilly and Company and is currently undergoing Phase 3 clinical trials, which are necessary to establish long-term safety, efficacy, and optimal dosing in larger, more diverse populations before a regulatory submission can be made
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Meals low in protein and fibre are especially problematic
Curcumin and green tea extract are usually safe in food, but at higher supplement doses, both have been linked to rare cases of liver toxicity, with green tea extract raising particular concerns," says Kumar
Nearly 40% of participants lost more than 25% of their body weight (Jastreboff et al., New England Journal of Medicine , 2022) SURMOUNT-2: In patients with type 2 diabetes and obesity, tirzepatide 15 mg produced 14.7% weight loss over 72 weeks (Garvey et al., Lancet , 2023) SURMOUNT-3: When added to an intensive lifestyle intervention, tirzepatide produced an additional 18.4% weight loss beyond what lifestyle changes alone achieved These results represent the most substantial weight loss outcomes ever achieved with a pharmaceutical intervention in clinical trials
Xie L, Anazco D, Chancay AH et al (2026) Glucagon-like peptide-1 receptor agonist switching and treatment persistence in adults without diabetes