# Tirzepatide > FDA-approved GLP-1/GIP dual agonist. Source: https://peptides.cafe/peptide/tirzepatide Category: Metabolic · Incretin Tag: Weight loss ## Mechanism A dual agonist of the GLP-1 and GIP receptors. The combined incretin action improves glucose control and produces greater weight loss than GLP-1 monotherapy in head-to-head trials. ## Research areas - Type 2 diabetes (Mounjaro) - Chronic weight management (Zepbound) - Sleep apnea in obesity (recent approval) ## Common research protocols - Weekly subcutaneous clinical use: Stepwise dose escalation in approved indications. ## Study summaries - "Tirzepatide once weekly for weight management (SURMOUNT-1)" — New England Journal of Medicine (2022): Up to ~21% mean weight loss at 72 weeks at the highest dose. ## Considerations - FDA-approved; requires prescription and physician oversight. - GI side effects are dose-limiting. - Compounded versions are not FDA-evaluated. ## Disclaimer Educational content only. Not medical advice, diagnosis, or treatment. Most research peptides are not FDA-approved for human therapeutic use. Consult a licensed clinician before any use.