How Monthly Injection Schedules Work on Mounjaro and Wegovy
Both Mounjaro (tirzepatide) and Wegovy (semaglutide) are prescribed as once-weekly injections, so a typical month involves around four doses. Your prescriber will have started you on a low dose and may adjust it over time — that titration schedule is individual to you, and any changes belong entirely to your prescriber or doctor.
Injection sites and rotation
Common injection sites are the abdomen, outer thigh, and upper arm. Rotating between sites each week is generally recommended to allow tissue to recover and to reduce the chance of localised reactions. Many people find it helpful to keep a simple log of where they injected last so they always know where to go next.
What affects monthly progress?
Weight change on these medicines varies considerably from person to person. Factors like starting weight, diet, activity, sleep, stress, and how the body responds to the medicine all play a role. Average monthly weight loss figures you may read about online are population-level estimates — your own pattern will be unique, and comparing month-to-month within your own data is far more meaningful than comparing yourself to others. For a broader overview of how these medicines are used, see our guide to weight loss injections.
Keeping your own monthly tracker
Whether you prefer a printed monthly weight loss tracker template, a spreadsheet, or a dedicated app, recording your weight, doses, and how you feel at consistent points each month gives you the clearest picture of your progress. A record you can bring to your prescriber appointment — showing dose dates, injection sites, side effects, and weight trend — is genuinely useful. You can also read more about tracking your monthly injection in detail.
average weekly weight change in the first 16 weeks of Mounjaro & Wegovy use*
Tracking the right four numbers — weight, waist, protein and dose — turns a noisy chart into a clear story. That's the loop GLP-1 users keep coming back for.
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How GLP Trackr Helps You Stay on Top of Every Injection
The most practical problem many people on weekly injections face is keeping track of which site they used last. GLP Trackr's injection-site tracking logs each injection — abdomen, thigh, or arm — and suggests your next rotation automatically, so you never have to rely on memory or a paper note stuck to the fridge.
Beyond site rotation, the app lets you log every dose with its date, time, and strength, building a complete monthly record you can review or share with your prescriber. Gentle dose reminders mean a busy week is far less likely to result in a missed injection. And because progress is about more than the scale, the daily check-in captures weight, mood, energy, and sleep each morning — turning a month of data into a clear trend rather than a series of disconnected numbers.
If you are researching the cost side of your prescription, our page on weight loss injection pricing offers some neutral context, though GLP Trackr itself does not sell or supply any medicine.
If you notice anything unexpected — an injection-site reaction, a side effect that feels severe or persistent, or any concern about your health — contact your healthcare professional promptly. GLP Trackr helps you record what you experience so you can discuss it clearly at your next appointment; it is not a substitute for clinical advice, and any decision about your dose or treatment belongs with your prescriber.
Ready to turn your monthly injection routine into a clear, consistent record? Download GLP Trackr on the App Store or Google Play and start your free 7-day trial — your injection history, site rotation, and progress all in one place.
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Morning Check-In
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.
Hydration Reminders
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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Personalized meal plans built around your current dose phase and side effects. Every meal is GLP-1 optimized — high in protein, gentle on the stomach, and scaled to your reduced appetite.
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Browse 50+ high-protein, GLP-1-friendly recipes filtered by meal type, prep time, and dietary needs. Every recipe includes full nutrition info, step-by-step instructions, and tips for eating with side effects.
Progress Analytics
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.
AI Meal Scanning
Snap a photo of any meal and get a full nutrition breakdown in seconds — calories, protein, carbs, fat, and fibre. No searching. No manual logging. Just point, snap, and track.
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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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Log your Mounjaro or Wegovy injection in seconds. Track your pen, your dose level, and your injection site — so you always know exactly where you are in your treatment.
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Frequently asked questions.
Both Mounjaro and Wegovy are once-weekly injections, so most people take around four doses per month. Your exact schedule and any dose adjustments are set by your prescriber or doctor.
Monthly weight loss varies significantly between individuals and depends on factors like starting weight, diet, activity levels, and how the body responds. Population averages exist but your own month-to-month trend is the most meaningful measure — always discuss progress with your prescriber.
Rotating injection sites — between the abdomen, outer thigh, and upper arm — is generally recommended to give tissue time to recover. Your prescriber or the patient information leaflet with your pen will give you specific guidance on site rotation.
Logging each dose, injection site, weight, and how you feel at consistent points each month gives you the clearest picture. A tracking app like GLP Trackr records all of this automatically and can generate a summary to bring to your prescriber appointments.
GLP Trackr captures doses, injection sites, weight, mood, and side effects digitally, making it a more detailed alternative to a printable monthly tracker. It also suggests your next injection site automatically and sends dose reminders, available free to try for 7 days.