Mounjaro vs Trulicity: Which Is Better in 2026?
Comparing Mounjaro and Trulicity side by side — weight loss results, side effects, cost, dosing, and who should choose each.
| Category | Mounjaro | Trulicity |
|---|---|---|
| Active Ingredient | Tirzepatide | Dulaglutide |
| Mechanism | Dual GIP/GLP-1 receptor agonist ✓ | GLP-1 receptor agonist |
| Administration | Once weekly injection | Once weekly injection |
| Average Weight Loss | ~20-25% of body weight ✓ | ~5-7% of body weight |
| A1C Reduction | ~2.0-2.4% ✓ | ~1.1-1.4% |
| FDA Approved For | Type 2 diabetes | Type 2 diabetes |
| Starting Dose | 2.5mg weekly | 0.75mg weekly |
| Maximum Dose | 15mg weekly | 4.5mg weekly |
| Time on Market | Since 2022 | Since 2014 ✓ |
| Monthly Cost (US, no insurance) | ~$1,000-1,100 | ~$900-1,000 ✓ |
| Cardiovascular Outcome Data | Limited (ongoing trials) | REWIND trial — proven benefit ✓ |
| Clinical Trials | SURPASS / SURMOUNT series | AWARD series |
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Enzo's Tip
Think of this as Eli Lilly competing with itself! Trulicity is the reliable older sibling — well-known, well-studied, and more affordable. Mounjaro is the flashy younger sibling that showed up and blew everyone away with dramatically better results. If cost isn't a barrier, Mounjaro is the clear upgrade. But Trulicity still gets the job done and may be easier on the wallet. Enzo respects both!
Choose Mounjaro if you...
- • Have insurance that covers it
- • Want an established track record
- • Prefer a well-known medication
Choose Trulicity if you...
- • Want maximum weight loss potential
- • Have tried other GLP-1s without success
- • Your doctor recommends it
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Medical Disclaimer: Enzo is a tracking companion, not a doctor. Always consult your healthcare provider before starting, stopping, or changing any medication. The information on this page is for educational purposes only and should not be considered medical advice. Individual results may vary.