Mounjaro vs Wegovy: Complete Comparison
Wondering how Mounjaro and Wegovy compare? This guide breaks down the key differences in ingredients, dosing, FDA approvals, and who each medication may be best suited for. Use the comparison below to have an informed conversation with your healthcare provider.
Side-by-Side Comparison
| Feature | Mounjaro | Wegovy |
|---|---|---|
| Generic Name | tirzepatide | semaglutide |
| Molecule Type | Dual GIP/GLP-1 receptor agonist | GLP-1 receptor agonist |
| Manufacturer | Eli Lilly | Novo Nordisk |
| FDA Approval | Type 2 diabetes | Chronic weight management |
| Available Doses | 2.5mg, 5mg, 7.5mg, 10mg, 12.5mg, 15mg | 0.25mg, 0.5mg, 1mg, 1.7mg, 2.4mg |
| Half-Life | ~5 days | ~7 days |
| Dosing Frequency | Once weekly | Once weekly |
Key Differences
- •Mounjaro uses tirzepatide (dual GIP/GLP-1) while Wegovy uses semaglutide (GLP-1 only) - different molecules with different mechanisms.
- •Mounjaro is FDA-approved for type 2 diabetes, while Wegovy is FDA-approved for chronic weight management.
- •Tirzepatide (Mounjaro) has demonstrated greater A1C reduction and weight loss in cross-trial comparisons versus semaglutide (Wegovy).
- •Mounjaro has 6 dose strengths (2.5-15mg) compared to Wegovy's 5 (0.25-2.4mg), offering more granular dose adjustments.
- •Insurance pathways differ: Mounjaro is covered under diabetes benefits while Wegovy falls under weight management, which often has more restrictive coverage.
Who Should Consider Each Medication?
Who May Prefer Mounjaro
Patients with type 2 diabetes seeking both glucose control and weight loss, those who want the dual-agonist mechanism, or patients who need more dose titration options.
Who May Prefer Wegovy
Patients without diabetes who qualify for FDA-approved weight management treatment, those who have responded well to semaglutide, or patients with insurance coverage for Wegovy.
Track Either Medication with JellyPal
Whether you choose Mounjaro or Wegovy, JellyPal helps you track injections, visualize medication levels, monitor side effects, and share reports with your doctor. Our pharmacokinetic plotter uses each medication's specific half-life for accurate level modeling.
This comparison is for informational purposes only and is not medical advice. Both Mounjaro and Wegovy are prescription medications that should only be taken under the supervision of a qualified healthcare provider. Consult your doctor to determine which medication is appropriate for your individual needs.
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