Why Stock Shortages Happen and What They Mean for Your Treatment
Demand for tirzepatide (Mounjaro) and semaglutide (Wegovy) has grown significantly faster than manufacturers initially anticipated, and that demand has outpaced supply in a number of markets. Shortages are not unique to any single country — similar pressures have been reported across Europe, North America, and elsewhere.
What a shortage typically looks like
During a period of restricted supply, pharmacies may have limited pen strengths available, or none at all. Some people find a particular dose is harder to source than others — often higher dose strengths are affected first, though this varies by time and location. Your prescriber or doctor is the right first point of contact if you are struggling to access your medication; they can advise on options within your local healthcare system.
What you can do as someone already prescribed
- Contact your prescriber or doctor early — do not wait until you run out. They may be able to adjust your prescription, advise on alternative supply routes, or provide guidance on what to do if you miss a dose period.
- Check with multiple registered pharmacies — availability varies between dispensers at any given time.
- Keep records of your current dose and treatment history — this makes any conversation with a healthcare professional much more productive, especially if continuity of care is disrupted.
Any decision about pausing, continuing, or adjusting your treatment during a stock gap must come from your prescriber, not from online information. GLP Trackr has a guide to managing stock issues on Mounjaro with more practical detail, and if you want to hear how others are handling supply disruptions, the GLP Trackr community forums are a supportive place to connect with people in similar situations.
For a broader overview of Mounjaro as a treatment, visit our Mounjaro information hub.
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How Staying Organised With GLP Trackr Helps During Supply Disruptions
When supply is unpredictable, your own treatment records become more valuable than ever. GLP Trackr's dose logging feature lets you record every injection — the date, dose strength, and which pen you used — so you always have a clear picture of where you are in your treatment. That log is genuinely useful to bring to a prescriber appointment if there has been any gap or disruption.
The app also includes dose reminders, which matter during stock uncertainty: knowing exactly when your last injection was helps you and your prescriber make informed decisions about timing if a delivery is delayed. You can also log any side effects or changes you notice during a gap, so nothing gets lost before your next clinical conversation. See also further guidance on Mounjaro supply for people already on treatment.
GLP Trackr is a tracking companion — it does not source, supply, or sell medication, and it cannot tell you where stock is available. For that, your prescriber, doctor, or a registered pharmacy in your country is always the right place to go.
If any symptoms change, worsen, or concern you during a period without medication, contact your healthcare professional promptly. Do not make decisions about restarting, pausing, or adjusting your dose without clinical guidance.
Keep your treatment history clear and ready for your next appointment — download GLP Trackr on the App Store or Google Play and start a free 7-day trial today.
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Frequently asked questions.
Demand for tirzepatide (Mounjaro) has grown faster than supply in many countries, leading to shortages of certain dose strengths. Availability varies by location and changes over time. Your prescriber or a registered pharmacy in your country is the best source of current information.
Contact your prescriber or doctor as soon as possible — ideally before you run out. They can advise on your options, including whether to try alternative pharmacies or how to manage any gap in treatment safely. Do not adjust or stop your dose without clinical guidance.
Yes, semaglutide (Wegovy) has also experienced supply constraints in a number of markets. As with Mounjaro, availability differs by region and dose strength. Your prescriber or a registered pharmacy is the right contact for up-to-date local supply information.
GLP Trackr cannot source or supply medication. However, it helps you maintain a clear log of your dose history, injection dates, and any side effects — records that are useful to share with your prescriber when navigating a supply gap or restarting treatment.
Any decision about missed or delayed doses must come from your prescriber or doctor, not from online guidance. Contact your healthcare professional for advice specific to your situation. GLP Trackr can help you log the gap to discuss at your next appointment.