Mounjaro vs Zepbound

A side-by-side look at Mounjaro and Zepbound, two prescription medications advertised on TV. Informational only — not medical advice.

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Information reviewed July 24, 2026

US MounjaroUS Zepbound
Generic nametirzepatidetirzepatide
Drug classGIP/GLP-1 Receptor AgonistGIP/GLP-1 Receptor Agonist
TreatsType 2 diabetesChronic weight management, obstructive sleep apnea
CategoryDiabetesWeight Management
ManufacturerEli LillyEli Lilly
Year approved20222023
FDA warningBlack box warningBlack box warning
Est. TV ad spend$350M$300M
Common side effectsNausea, Diarrhea, Decreased appetite, VomitingNausea, Diarrhea, Vomiting, Constipation

Frequently asked questions

Is Mounjaro or Zepbound better?

Neither is universally "better." Mounjaro (tirzepatide) is used for type 2 diabetes, while Zepbound (tirzepatide) is used for chronic weight management, obstructive sleep apnea, but the right choice depends on your medical history, insurance and your doctor's guidance. This comparison is informational only.

What's the difference between Mounjaro and Zepbound?

Mounjaro is a GIP/GLP-1 Receptor Agonist made by Eli Lilly, while Zepbound is a GIP/GLP-1 Receptor Agonist made by Eli Lilly. See the table above for a side-by-side breakdown.

Which one spends more on TV ads?

Mounjaro has the larger estimated TV advertising budget of the two.

TVPills

A reference tool to help identify prescription medications and supplements seen in television advertising. This is not medical advice. Always consult a healthcare professional.

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