Mounjaro vs Zepbound: Complete Comparison
Wondering how Mounjaro and Zepbound 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 | Zepbound |
|---|---|---|
| Generic Name | tirzepatide | tirzepatide |
| Molecule Type | Dual GIP/GLP-1 receptor agonist | Dual GIP/GLP-1 receptor agonist |
| Manufacturer | Eli Lilly | Eli Lilly |
| FDA Approval | Type 2 diabetes | Chronic weight management |
| Available Doses | 2.5mg, 5mg, 7.5mg, 10mg, 12.5mg, 15mg | 2.5mg, 5mg, 7.5mg, 10mg, 12.5mg, 15mg |
| Half-Life | ~5 days | ~5 days |
| Dosing Frequency | Once weekly | Once weekly |
Key Differences
- •Both contain the same active ingredient (tirzepatide) but are approved for different conditions - Mounjaro for type 2 diabetes and Zepbound for weight management.
- •The dosing strengths are identical (2.5mg, 5mg, 7.5mg, 10mg, 12.5mg, 15mg) since they use the same molecule.
- •Insurance coverage differs: diabetes plans typically cover Mounjaro while weight management coverage for Zepbound varies.
- •Clinical trial programs differ: Mounjaro was studied in SURPASS (diabetes) while Zepbound was studied in SURMOUNT (obesity).
- •The medications are pharmaceutically identical - same molecule, same manufacturer, same pen device - but are marketed and prescribed differently.
Who Should Consider Each Medication?
Who May Prefer Mounjaro
Patients with a type 2 diabetes diagnosis who need glycemic control (with weight loss as an added benefit), or those whose insurance covers diabetes medications more readily.
Who May Prefer Zepbound
Patients whose primary goal is weight loss and who have a BMI of 30+ (or 27+ with comorbidities), particularly those without a type 2 diabetes diagnosis.
Track Either Medication with JellyPal
Whether you choose Mounjaro or Zepbound, 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 Zepbound 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.
Frequently Asked Questions
Start tracking your medication journey
Whether you take Mounjaro or Zepbound, JellyPal helps you understand your medication, track side effects, and optimize your health journey.