---
title: "Ozempic vs Mounjaro: Which Is Right for You?"
description: "Ozempic is semaglutide (GLP-1). Mounjaro is tirzepatide (GIP + GLP-1). Both treat type 2 diabetes; one loses more weight."
canonical: https://glpeak.ai/answers/ozempic-vs-mounjaro
reviewer: Sydney Duong, RD, GLPeak Clinical Lead
last_updated: 2026-06-17
category: comparison
---

# Ozempic vs Mounjaro: Which Is Right for You?

> **Quick answer:** Ozempic is semaglutide, a single GLP-1 agonist. Mounjaro is tirzepatide, a dual GIP/GLP-1 agonist. Both are FDA-approved for type 2 diabetes. Mounjaro produces greater average A1C reduction and weight loss at maximum doses, but tolerability varies by patient.

## Different drug classes

Ozempic activates one hormone pathway (GLP-1). Mounjaro activates two (GLP-1 and GIP). The added GIP activity appears to amplify the metabolic and appetite-suppressing effects.

## Glycemic and weight outcomes

In the SURPASS-2 trial (the head-to-head trial in patients with type 2 diabetes), Mounjaro 15 mg produced an average A1C reduction of ~2.30% and ~11.2 kg weight loss versus Ozempic 1.0 mg's ~1.86% A1C reduction and ~5.7 kg weight loss over 40 weeks.

## Dose ladders

Both titrate slowly to reduce GI side effects.

- Ozempic: 0.25 → 0.5 → 1.0 → 2.0 mg weekly
- Mounjaro: 2.5 → 5 → 7.5 → 10 → 12.5 → 15 mg weekly
- 4-week minimum at each step

## Which to choose

Both are reasonable first-line options for type 2 diabetes. Mounjaro tends to produce more weight loss and A1C reduction on average; Ozempic has a longer real-world track record and broader insurance coverage. Your prescriber will weigh tolerability, cost, and goals.

## Frequently asked questions

### Is Mounjaro stronger than Ozempic?

On average, Mounjaro produces greater A1C reduction and more weight loss than Ozempic at their respective maximum doses. The dual GIP/GLP-1 mechanism is thought to be why.

### Can I switch from Ozempic to Mounjaro?

Yes, with prescriber guidance. There's no direct dose conversion. Most patients restart at Mounjaro 2.5 mg for 4 weeks and titrate up.

### Which has worse side effects?

Side effects are similar in type and frequency (nausea, constipation, reflux). Some patients tolerate one better than the other; trial discontinuation rates were comparable.

### Are they both covered for diabetes?

Most insurance plans cover both for type 2 diabetes. Coverage for off-label weight loss without diabetes is rare for either — Wegovy or Zepbound are the on-label weight-loss versions.

## References

- [SURPASS-2 (NEJM)](https://www.nejm.org/doi/full/10.1056/NEJMoa2107519)

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_Educational only — not medical advice._