Wegovy vs Mounjaro: The Two Leading Weight Loss Drugs Compared
Verdict Summary
Both are highly effective. Mounjaro produces greater average weight loss (~20-22% vs ~15%) but Wegovy has longer obesity-specific approval history. The choice often comes down to insurance and individual response.
Medical Disclaimer: This comparison is for educational purposes only. Consult a healthcare provider before starting any peptide protocol. Full disclaimer →
At a Glance
| Dimension | Wegovy | Mounjaro |
|---|---|---|
| Active Compound | Semaglutide 2.4mg | Tirzepatide |
| Mechanism | GLP-1 agonist | GIP + GLP-1 dual agonist |
| Avg. Weight Loss | ~15% | ~20-22% |
| FDA Obesity Approval | 2021 | 2023 (Zepbound) |
| Dosing | Once weekly | Once weekly |
Wegovy Deep Dive
Wegovy is the obesity-specific formulation of semaglutide at 2.4mg weekly. The STEP trials established it as a landmark obesity treatment with ~15% average weight loss and significant cardiometabolic benefits.
How to Choose
Choose Wegovy if…
- •Wegovy has better insurance coverage for you
- •You prefer the longer obesity-specific track record
- •You are sensitive to GIP receptor effects
Choose Mounjaro if…
- •Maximum weight loss is the priority
- •You have not achieved adequate results on semaglutide
- •Zepbound is covered by your insurance
Consider Both If…
Both are excellent first-line options. Many clinicians start with Wegovy and escalate to Mounjaro if response is insufficient.
Frequently Asked Questions
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