mounjaro retatrutide Most powerful weight-loss jab ever' that outperforms Wegovy and shows insane results Mounjaro vs Retatrutide UK: Which

To help, we tapped three doctors who prescribe these medications to break it all down

Pharma giant Eli Lilly also is pushing to get FDA approval for tirzepatide, a diabetes medication, to be added to the weight loss market in the U.S

As of early 2026, retatrutide is in Phase 3 clinical trials (the TRIUMPH program)

Food Science & Nutrition, 7 (1), 96108

They are adjuncts, not replacements

In March 2026, Structure reported 44-week topline data from the ACCESS II Phase 2 study, showing placebo-adjusted weight loss of up to 16.3%, which the company described as the highest efficacy demonstrated among oral GLP-1 receptor agonists at that time point