Is Mounjaro on Sale? November 2026

Questions and answers

What is the difference between Mounjaro and Zepbound?

Both contain tirzepatide. Mounjaro is approved for type 2 diabetes, while Zepbound is approved for chronic weight management. The pens, doses and labeling differ, so the two are not interchangeable without a prescriber's guidance.

How does Mounjaro work?

Tirzepatide acts on two incretin receptors, GIP and GLP-1, which improves blood sugar control and slows gastric emptying. It is given as a once-weekly subcutaneous injection. Dose increases are stepped up gradually to limit side effects.

What doses does Mounjaro come in?

The single-dose pens come in 2.5, 5, 7.5, 10, 12.5 and 15 mg strengths. Treatment usually starts at 2.5 mg and is raised in steps of 2.5 mg. The starting dose is for tolerance, not for glycemic control.

Does Mounjaro need refrigeration?

Unused pens should be kept refrigerated. Once in use, a pen can be stored at room temperature for a limited period, so check the leaflet that comes with your supply. Never use a pen that has been frozen.

What are the common side effects?

Nausea, diarrhea, vomiting, constipation and reduced appetite are the most frequent. They often ease as the dose stabilizes. Mounjaro carries a boxed warning for thyroid C-cell tumors, so tell your prescriber about any personal or family history of thyroid cancer or MEN2.

Are there Mounjaro discount codes?

Deal.ai checks what Mounjaro products actually cost at every store, so a real markdown shows on this page as a deal as soon as it starts, and each product's page has its price history to tell a sale from its usual price.