Weight Loss Jab Sales: What People Already Prescribed Need to Know

Demand for GLP-1 and dual GIP/GLP-1 receptor agonist medicines has increased substantially across many countries. Mounjaro (tirzepatide) and Wegovy (semaglutide) are both prescription-only injectable medicines taken once a week, and both are prescribed by a qualified clinician based on individual suitability — they are not available over the counter or without a prescription.

Supply and availability

High demand has at times affected the consistency of supply in various markets. If you are concerned about whether your next pen will be available, the right person to speak to is your prescriber or doctor, or a registered pharmacy in your country. They can advise on what is currently in stock and whether any alternatives or adjustments are appropriate for your situation — that is a clinical decision, not one to make alone.

Reports of factory raids and enforcement action against unlicensed weight loss injection sellers highlight why sourcing medication only through a registered, legitimate pharmacy matters. Unlicensed products carry serious safety risks. If you have any concerns about the authenticity of your medication, contact your prescriber or pharmacist promptly.

Who uses these medicines?

Demographic data from various countries shows that these medicines are prescribed to a wide range of adults — different ages, different starting points, and different health backgrounds. Suitability is always an individual decision made by a prescriber. If you are curious whether your treatment plan is right for you, that conversation belongs with your healthcare professional.

For more background on how these injectable treatments work and what to expect, see our overview of weight loss injections or read about what a weight loss jab involves. If supply interruptions have affected your routine, our page on managing a weight loss jab shortage may also be helpful.

When supply uncertainty or a busy schedule disrupts your routine, the most important thing is keeping a clear record of every injection you have taken. GLP Trackr's injection-site tracking and rotation feature lets you log each dose, the date and time you took it, and which site you used — abdomen, thigh, or upper arm — so you always know exactly where you are in your rotation and when your next shot is due.

Dose reminders are built in, so even if life gets complicated, your weekly schedule stays on track. And if you do miss a dose or have a question about timing, the app lets you log it clearly so you can bring an accurate record to your next prescriber appointment rather than relying on memory.

Beyond injections, GLP Trackr brings your whole journey together — weight trends, daily check-ins, and side-effect logs — giving you a clear picture to share with your healthcare professional. That kind of consistent record matters most precisely when availability or circumstances change.

If you are navigating any changes to your injection routine, always follow the guidance of your prescriber or doctor. Any decision about your dose, timing, or medication should be made with them — never adjusted on your own. If you experience any side effects you are concerned about, contact your healthcare professional promptly, and report unexpected reactions to your national reporting scheme (such as the UK's Yellow Card scheme).

For a broader look at managing your injectable treatment day to day, visit our guide to weight loss injection practicalities or return to the full weight loss injections hub.

Log every injection, track your rotation, and keep your weekly routine on course — GLP Trackr is free to try for 7 days on the App Store and Google Play.