Why Mounjaro and Wegovy Doses Cannot Be Directly Compared
The short answer is that 5mg Mounjaro is not formally equivalent to any specific Wegovy dose. The two medicines have different active substances, different mechanisms, and dose schedules that were developed independently through separate clinical programmes.
Different mechanisms, different scales
Wegovy contains semaglutide, a GLP-1 receptor agonist. Its dose range runs from 0.25mg up to 2.4mg once weekly. Mounjaro contains tirzepatide, a dual GIP and GLP-1 receptor agonist, with dose strengths ranging from 2.5mg up to 15mg once weekly. The numbers look very different because the active substances themselves are different molecules — a higher milligram figure for tirzepatide does not mean a stronger or weaker effect compared with a lower semaglutide figure.
Titration is prescriber-led for both medicines
Both medicines are typically started at a low dose and adjusted over time, with the pace and end-point set by the prescriber based on how each individual responds. For Mounjaro, commonly referenced strengths include 2.5mg, 5mg, 7.5mg, 10mg, 12.5mg, and 15mg. For Wegovy, they include 0.25mg, 0.5mg, 1mg, 1.7mg, and 2.4mg. Whether you are asking about what 10mg Mounjaro relates to in Wegovy terms or curious about what 1mg Wegovy corresponds to on Mounjaro, the principle is the same: dose decisions belong with your prescriber.
What questions like this usually mean in practice
People searching for equivalences are often switching between the two medicines, comparing notes with others, or trying to make sense of where they are in their own treatment. If you are considering switching or have questions about your current dose stage, the right conversation is with your prescriber or doctor — not a milligram comparison found online. For a broader look at how the two medicines sit alongside each other, see our page on Wegovy and Mounjaro equivalent doses.
average weekly weight change in the first 16 weeks of Mounjaro & Wegovy use*
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Tracking Your Dose Journey with GLP Trackr
Even without a cross-medicine equivalence table, keeping a clear record of your own dose history is genuinely useful — especially if you ever need to discuss your treatment with your prescriber or switch between medicines.
GLP Trackr's dose logging feature lets you record each injection as it happens: the dose strength, date, and time. Over weeks and months, this builds a complete picture of your titration journey. If you have moved from 2.5mg to 5mg to 7.5mg Mounjaro, that history is all in one place — clear and easy to share at your next appointment.
The app also includes dose reminders, so a weekly injection is less likely to be missed, and a doctor report feature that summarises your logged journey — doses, weight, side effects — in a format designed to support a productive conversation with your healthcare team.
If you are on Mounjaro and want to understand more about your dose stage, the Mounjaro 5mg overview covers what this stage of treatment generally involves.
Any decision about your dose — including whether to stay at your current strength, move up, or switch medicines — should always be made with your prescriber. GLP Trackr records your journey; it does not replace clinical guidance.
Start logging your dose history today — GLP Trackr is free to try for 7 days and available on the App Store and Google Play.
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Log every dose with a single tap. Track your dose history, phase in your cycle, estimated medication levels, and upcoming injection dates — with reminders so you never miss a scheduled shot.
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Staying hydrated is especially important on GLP-1 medications. Set daily water targets, log intake throughout the day, and receive smart nudges when you're falling behind your goal.
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Log walks, workouts, and movement with activity targets that flex with your energy levels. On lower-energy dose days, gentler targets keep you moving without burning out.
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Frequently asked questions.
No direct equivalence exists. Mounjaro (tirzepatide) and Wegovy (semaglutide) are different molecules with separate dose scales. A milligram figure for one does not translate to the other. Any dose comparison or switch decision should be discussed with your prescriber or doctor.
There is no established milligram equivalence between Mounjaro and Wegovy. The two medicines work differently and their doses were developed independently. If you are considering switching or comparing doses, your prescriber is the right person to guide that conversation.
Mounjaro doses are decided by your prescriber based on how you are responding to treatment. The medicine is typically started at a low strength and adjusted over time. Common strengths include 2.5mg, 5mg, 7.5mg, 10mg, 12.5mg, and 15mg, but your individual schedule is set by your healthcare team.
Yes. GLP Trackr lets you log each dose — strength, date, and time — so you have a complete record of your titration journey. This can be useful to review with your prescriber. The app does not advise on dosing; it records what you have been prescribed.
No. Switching between prescription-only medicines is a clinical decision that belongs with your prescriber or doctor. Online dose comparisons cannot account for your individual health history, response to treatment, or other factors your healthcare professional needs to consider.