What Is the Brand Name for Tirzepatide? Mounjaro and Zepbound Explained

Direct Answer

Tirzepatide is the generic (active ingredient) name. It's sold under two brand names: Mounjaro, approved for type 2 diabetes and cardiovascular risk reduction, and Zepbound, approved for chronic weight management and obstructive sleep apnea. Both contain the same active ingredient, tirzepatide, marketed differently based on approved use and dosing.

Why Two Brand Names for One Drug

This is the same naming pattern used across the GLP-1 category, semaglutide as Ozempic and Wegovy, liraglutide as Victoza and Saxenda. Eli Lilly markets the same molecule under separate names since diabetes and weight-management indications were approved separately, with different maximum doses and target populations.

Quick Reference

Generic name: tirzepatide. Brand names: Mounjaro (type 2 diabetes) and Zepbound (weight management, obstructive sleep apnea). Drug class: dual GLP-1/GIP receptor agonist.

Bottom Line

Mounjaro and Zepbound are the same active ingredient, tirzepatide, just marketed under different names for different FDA-approved uses.

References

• Mounjaro and Zepbound Prescribing Information (FDA)

Related Resources

• Tirzepatide Medication Guide
• Mounjaro Medication Guide
• Zepbound Medication Guide
• Brand vs. Generic GLP-1 Names

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