The TRIUMPH-4 Phase 3 trial in obesity with knee osteoarthritis later reported 28.7% mean weight loss at 68 weeks with retatrutide 12 mg/week, and identified a dose-related dysesthesia (nerve-tingling) signal in 8.8% of 9 mg and 20.9% of 12 mg patients (Bays et al., 2025)
Without the training and the protein, a surplus just adds fat and the peptide does nothing useful
According to the FDAs eligibility criteria, Wegovy is also approved for adults who have overweight and at least one weight-related comorbidity, such as: type 2 diabetes hypertension, or high blood pressure dyslipidemia, or high levels of fats in the blood Its important to note that in any of its forms, semaglutide is meant to be used alongside dietary adjustments and regular physical activity
Importantly, the new language links carbohydrate reduction to food quality , specifically limiting processed foods
The conclusion is that glucagon receptor agonism likely gives retatrutide an advantage, though stronger human evidence is still needed
