Why Wegovy and Mounjaro Doses Cannot Be Directly Converted
Wegovy contains semaglutide, a GLP-1 receptor agonist, while Mounjaro contains tirzepatide, which acts on both GLP-1 and GIP receptors. Because they work through partly different mechanisms and are measured in entirely different dose ranges, there is no established clinical conversion table that maps one medicine's dose directly onto the other's.
How each dose progression is structured
Wegovy is commonly started at 0.25 mg once weekly, with dose stages typically moving through 0.5 mg, 1 mg, and 1.7 mg before reaching the 2.4 mg maintenance dose — all adjusted by the prescriber over time. Mounjaro typically begins at 2.5 mg once weekly, with stages moving through 5 mg, 7.5 mg, 10 mg, 12.5 mg, and up to 15 mg. The numbers look very different, but that reflects the different compounds and dose ranges involved, not a difference in potency that can be read off a scale.
What "equivalent" really means in practice
When people search for equivalent doses, they are often asking one of two things: what dose stage of one medicine corresponds broadly to an early, mid, or maintenance stage of the other, or whether switching between them requires starting from scratch. Both of those questions have the same answer — they depend entirely on your individual clinical history, how you have responded, and your prescriber's judgement. No general guide can substitute for that conversation.
If you are curious about how specific dose stages compare — for example, what 5 mg Mounjaro corresponds to on the Wegovy scale, or where 1 mg Wegovy sits relative to Mounjaro stages — those pages explore the topic in more detail. You can also read a broader look at how Mounjaro and Wegovy dose stages relate to each other for further context.
average weekly weight change in the first 16 weeks of Mounjaro & Wegovy use*
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Tracking Your Dose Journey with GLP Trackr
Whatever dose stage you are currently on — and whichever medicine you have been prescribed — keeping an accurate record of every injection is one of the most practical things you can do to stay on top of your treatment.
GLP Trackr's dose logging feature lets you record each injection as it happens: the dose strength, the date, and the time. Over weeks and months, that log becomes a clear, timestamped history of your titration journey — useful not just for your own peace of mind, but as a concrete reference when you speak to your prescriber about how things are going or whether a dose adjustment might be appropriate.
Alongside dose logging, the app's reminder feature means a weekly injection is less likely to be forgotten, and the insights tools let you see patterns across your whole journey — how your recorded weight, mood, and energy have shifted alongside each dose stage. If you want to explore how your experience at a particular dose compares across weeks, that data is already logged and ready to review.
You can find the full dose-tracking context in the Mounjaro dosing hub, which covers how titration works in more detail.
A note on dose decisions: any decision about your dose — including whether to progress, pause, or change medicine — belongs with your prescriber. GLP Trackr helps you record and review your journey; it is not a substitute for clinical guidance. If you have questions about your dose or are considering switching medicines, speak with your prescriber or doctor before making any changes.
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Start every day with a 60-second wellness check-in. Log how you're feeling, track nausea, appetite, energy, and mood — giving you and your care team a complete picture of how your medication is working.
Injection Tracking
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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Beautiful, easy-to-read charts show your weight loss trajectory, weekly nutrition trends, medication responses, and wellbeing scores over time — turning raw data into genuine insights.
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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.
There is no established milligram-for-milligram conversion between Wegovy (semaglutide) and Mounjaro (tirzepatide). They contain different active substances, work through different mechanisms, and use entirely separate dose scales. Any equivalence question should be discussed with your prescriber or doctor.
Wegovy is typically started at 0.25 mg once weekly and increased through stages — commonly 0.5 mg, 1 mg, and 1.7 mg — before reaching a 2.4 mg maintenance dose. Your prescriber determines when and whether to progress, based on your individual response and tolerability.
Mounjaro typically starts at 2.5 mg once weekly and may be increased through stages up to 15 mg. The higher milligram numbers reflect Mounjaro's different dose range, not a direct comparison with Wegovy. Your prescriber guides all dose changes.
Switching between these medicines is a clinical decision that belongs entirely with your prescriber or doctor. They will consider your history, how you have responded, and the appropriate starting point. No general guide can substitute for that individualised assessment.
GLP Trackr lets you log each injection — dose strength, date, and time — so you build an accurate record of your titration history. That log can be useful to review with your prescriber and helps you spot patterns in how you feel across different dose stages.