Zepbound vs Mounjaro
A side-by-side comparison drawn from public information and community discussion.
Not medical advice. The information on this page reflects community and informational knowledge shared by members of The GLP-1 Forum. It is not a substitute for professional medical care. Always consult a qualified healthcare professional before starting, stopping, or changing any medication.
Zepbound and Mounjaro are both brand names for tirzepatide from the same manufacturer. They share the same dual GIP/GLP-1 molecule and dosing ladder; the difference is the FDA-approved indication.
At a glance
| Zepbound | Mounjaro | |
|---|---|---|
| Active ingredient | Tirzepatide | Tirzepatide |
| Mechanism | Dual GIP / GLP-1 receptor agonist | Dual GIP / GLP-1 receptor agonist |
| FDA-approved use | Weight management; obstructive sleep apnea | Type 2 diabetes |
| Dosing frequency | Once weekly injection | Once weekly injection |
| Dose range | 2.5 mg up to 15 mg | 2.5 mg up to 15 mg |
| Results discussion | Commonly discussed for weight loss | Commonly discussed for blood-sugar control and weight loss |
| Typical cost | ~$1,000–$1,300/mo list | ~$1,000–$1,100/mo list |
Common questions
Are Zepbound and Mounjaro the same drug?
Yes — both are tirzepatide. They are marketed under different names for different FDA-approved uses (Zepbound for weight management and sleep apnea, Mounjaro for type 2 diabetes). Your prescriber and insurance often determine which one you receive.
Which one is better for weight loss?
They contain the same molecule, so the active drug is identical. Coverage, indication, and savings programs usually drive the choice. Discuss your goals with your prescriber.
Discuss it with the community
Compare experiences and ask questions:
Medical disclaimer. The GLP-1 Forum is a community of people sharing personal experiences. Nothing here is medical advice, diagnosis, or treatment. Individual results and risks differ. Always consult a qualified healthcare professional before making any decision about your medication or health.