GLPwatch
Byetta vs Mounjaro
Drug comparison
Last updated 2026-05-28 15:46 UTCByetta (exenatide by AstraZeneca) and Mounjaro (tirzepatide by Eli Lilly) are both injectable medications for type 2 diabetes, taken under the skin. The main difference is their active ingredients: Byetta uses exenatide, while Mounjaro uses tirzepatide.
AI summary of the sources below.
| Byetta | Mounjaro | |
|---|---|---|
| Active ingredient | exenatide | tirzepatide |
| Manufacturer | astrazeneca | eli-lilly |
| Route | subcutaneous injection | subcutaneous injection |
| FDA-approved for | type 2 diabetes | type 2 diabetes |
| Label updated | 2025-09-02 | 2026-04-22 |