Zepbound vs Mounjaro: What’s the Difference?
Key takeaways
- Same ingredient: Both contain tirzepatide (dual GIP/GLP-1)
- Different approvals: Mounjaro for diabetes, Zepbound for weight loss
- Same dosing: Both available in 2.5mg to 15mg doses
- Similar pricing: Both ~$1,000-1,100/month without insurance
- Insurance differs: Mounjaro covered for diabetes, Zepbound coverage limited
Are they the same medication?
Yes. Zepbound and Mounjaro contain the exact same active ingredient, tirzepatide, at the same doses. The only difference is FDA approval and marketing.
Side-by-side comparison
| Feature | Mounjaro | Zepbound |
|---|---|---|
| Active ingredient | Tirzepatide | Tirzepatide |
| FDA approval | Type 2 diabetes | Weight loss |
| Approved date | May 2022 | November 2023 |
| Doses | 2.5-15mg | 2.5-15mg |
| List price | ~$1,000-1,100/mo | ~$1,000-1,100/mo |
Which should you choose?
Choose Mounjaro if:
- You have type 2 diabetes (better insurance coverage)
- Your insurance covers it for diabetes
Choose Zepbound if:
- You’re primarily seeking weight loss without diabetes
- Your insurance specifically covers weight loss medications
- You’re paying out-of-pocket (Zepbound has self-pay programs)
Insurance coverage
Mounjaro: Most commercial insurers cover it for type 2 diabetes with prior authorization.
Zepbound: Coverage is more limited since many insurers exclude weight loss medications. However, some do cover it with BMI requirements.
The bottom line
Zepbound and Mounjaro are the same medication with different labels. Choose based on your medical situation and insurance coverage, not the drug itself.
Our commitment to accuracy: This article was reviewed by a board-certified physician. Read our editorial policy.