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Brand guide · Tirzepatide

What is Zepbound?

Zepbound is a brand of Tirzepatide. FDA has approved it for 2 uses. People take it once weekly, at any time of day. The first labeled dose is 2.5 mg. The highest is 15 mg.

Source: Current FDA label, checked 2026-08-12

What matters first

Medicine
Tirzepatide
How often
Once weekly, at any time of day
Starting dose
2.5 mg
Highest labeled dose
15 mg

Choose what you need

Go straight to the answer

DosageZepbound dosage scheduleSee every labeled step from 2.5 mg to 15 mg.SafetyZepbound side effectsSee common trial results, serious warnings and later FDA reports.ResultsZepbound weight-loss resultsSee the weeks and study groups behind the reported averages.PriceWhat Zepbound costsCompare the list price, published cash offers and key limits.StorageHow to store ZepboundCheck the label rules for temperature, travel and time out of the fridge.Medicine guideRead about TirzepatideSee the medicine behind Zepbound and any other brands that use it.

Approved uses

What is Zepbound approved to treat?

Adults with obesity, or with overweight plus at least one related health condition.

Labeled maintenance: 5 mg, 10 mg or 15 mg once weekly

Adults with obesity and moderate to severe sleep apnea.

Labeled maintenance: 10 mg or 15 mg once weekly

Not an approved use: FDA has not approved Zepbound for type 2 diabetes or anyone under 18.

The product itself

How Zepbound comes

Single-dose pen

2.5, 5, 7.5, 10, 12.5 and 15 mg per 0.5 mL

1 dose

Single-dose vial

2.5, 5, 7.5, 10, 12.5 and 15 mg per 0.5 mL

1 dose

Multi-dose vial

10 to 60 mg per 2.4 mL, delivering 2.5 to 15 mg per 0.6 mL dose

4 doses

Single-patient-use KwikPen

10 to 60 mg per 2.4 mL, delivering 2.5 to 15 mg per dose

4 doses

Eli Lilly and Company makes Zepbound under NDA 217806. The label says it is given as a shot under the skin.

Same medicine, different label

How is Zepbound different from Mounjaro?

Two brand names use this drug. Zepbound is the one for weight-related care. Mounjaro is the one for type 2 diabetes. Their dose plans are not the same.

Read the Mounjaro overview
4primary sources, each with the day we read it — open the documents used on this page

Medically reviewed by Jennifer Montecillo, MD · non-practicing medical reviewer

Zepbound is a registered brand name. HealthspanLedger is not affiliated with or endorsed by Eli Lilly and Company. This page summarizes public FDA records and does not give medical advice.