Informational only. Not medical advice.INFORMATIONAL PLATFORM ONLY — NOT MEDICAL ADVICE, DIAGNOSIS, OR TREATMENT
Head-to-head comparison of Semaglutide and Retatrutide — mechanism, dosing, side effects, legal status, and pricing.
Semaglutide is an FDA-approved GLP-1 receptor agonist used to treat type 2 diabetes (Ozempic) and chronic weight management (Wegovy). It has become one of the most widely prescribed medications for obesity due to its significant weight-loss efficacy.
Retatrutide is a novel triple-agonist peptide targeting GLP-1, GIP, and glucagon receptors simultaneously. It is in Phase 3 clinical trials for obesity and type 2 diabetes and has demonstrated the highest weight loss of any anti-obesity medication tested to date.
Semaglutide
Retatrutide
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The STEP clinical trial program demonstrated average weight loss of 15–17% body weight over 68 weeks. The SELECT trial showed a 20% reduction in major adverse cardiovascular events. Oral semaglutide (Rybelsus) is also FDA-approved for type 2 diabetes.
The Phase 2 trial demonstrated up to 24.2% body weight loss at 48 weeks at the highest dose (12 mg), exceeding results of both semaglutide and tirzepatide. Significant reductions in hepatic steatosis (fatty liver) were also observed. Phase 3 trials are ongoing with results expected in 2025–2026. Eli Lilly is the developer.
Key references
Semaglutide and Retatrutide are both in the Metabolic category and may have overlapping mechanisms. Researchers should review both profiles carefully, understand the mechanisms of action, and monitor the relevant biomarkers when combining compounds in the same class. As always, consult a licensed healthcare provider before making any decisions about combining research compounds.
This platform provides informational tools only, not medical advice. This comparison is for educational purposes only. Consult a licensed provider.