How Eligibility for Weight Loss Injections Is Generally Assessed
Because you are already prescribed a weight loss injection, you have already been through this process. The information below is general context that many people find useful to understand — particularly those who have questions about how their prescription came about, or who want to support a conversation with their prescriber.
BMI Thresholds
In many healthcare systems, a BMI of 30 or above (or around 27.5 or above in some South Asian and other higher-risk populations) is a starting point for clinical consideration. BMI is not the only factor — it is one piece of a broader clinical picture. You can read more about how BMI relates to eligibility for weight loss injections for a fuller overview.
Weight-Related Health Conditions
Prescribers typically look for the presence of at least one weight-related condition — such as type 2 diabetes, high blood pressure, raised cholesterol, sleep apnoea, or cardiovascular risk — alongside BMI. The exact combination of factors required can differ by programme and by individual clinical judgement.
Prior Attempts at Weight Management
Many structured programmes ask that a person has already tried to manage their weight through diet and lifestyle changes before a medicine is considered. This is standard clinical practice, not a barrier — it reflects the evidence base for how these medicines are used most effectively alongside lifestyle support.
Programme-Specific Rules
In the UK, access through NHS specialist weight management services follows guidance from bodies such as NICE, but criteria can vary by local service and by the specific medicine being considered. Criteria for Wegovy and for Mounjaro have been assessed and updated separately by clinical authorities. For detail on how general eligibility criteria are structured, see our overview of what the criteria for weight loss injections involve, or explore the criteria for weight loss jabs explained.
If you have questions about your own eligibility or prescription, your prescriber or doctor is the right person to speak to — they have access to your full clinical history and can explain the reasoning behind your treatment.
average weekly weight change in the first 16 weeks of Mounjaro & Wegovy use*
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Tracking Your Injection Journey with GLP Trackr
Once you are prescribed a weight loss injection, keeping a clear and consistent record of your treatment becomes genuinely useful — both for your own understanding and for conversations with your prescriber.
GLP Trackr's injection-site tracking and rotation feature is designed specifically for this. Each time you inject, you can log which site you used — abdomen, thigh, or upper arm — and the app keeps a history of your rotation so it can suggest where to inject next. This takes the guesswork out of rotating sites and helps you avoid overusing the same area.
Alongside site logging, the app lets you record each dose, date, and time in one place, and set reminders so a weekly injection is never accidentally missed. If you want to bring a clear summary to a prescriber appointment — showing your injection history, any side effects you have noticed, and your progress over time — the doctor report feature pulls this together for you. For a broader view of the journey, take a look at our weight loss injections hub.
GLP Trackr is an informational tracking tool, not a medical service. Any questions about your dose, your eligibility, or your treatment plan should always go to your prescriber or doctor — they are the right source of guidance for your individual situation.
Ready to keep your injection routine organised from day one? GLP Trackr is free to try for 7 days — available on the App Store and Google Play.
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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.
Smart Meal Planning
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.
Recipe Library
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.
Exercise & Steps
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.
Community Support
Connect with thousands of others navigating the same medication journey. Share milestones, ask questions, find accountability partners, and get support from people who truly understand.
Never Forget a Dose Again.
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.
Watch Your Body Transform, Week by Week.
Log your weight, measurements, and how you're feeling after each dose. GLPTrackr turns your data into clear, motivating charts that show you how far you've really come.
You're Not on This Journey Alone.
Connect with thousands of real GLP-1 users sharing their wins, side effect tips, and meal ideas. Get the support of people who truly get it — because they're living it too.
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GLPIQ tracks where you are in your injection cycle and adjusts everything around it: lighter meals on nausea days, higher protein when appetite returns, and smarter targets as your medication level shifts.
Predicts Before You Feel It
GLPIQ learns your personal side effect patterns over time. After a few cycles, it starts warning you the morning before a rough day — and adjusts your meal plan automatically.
Finds Your Golden Dose
GLPIQ analyses every dose you've been on: weight loss rate, side effects, food noise, mood, protein adherence and tells you which dose gave you the best results. No other app does this.
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Frequently asked questions.
NHS eligibility for weight loss injections like Wegovy or Mounjaro is generally based on BMI (commonly 30 or above), the presence of a weight-related health condition, and clinical assessment. Exact criteria depend on the specific medicine and local service. Your prescriber or doctor can explain what applied in your case.
Wegovy (semaglutide) has been assessed by NICE for use in specialist NHS weight management services, with eligibility typically involving BMI thresholds and at least one weight-related condition. Criteria are programme-specific and assessed individually by a prescriber or doctor.
Mounjaro (tirzepatide) criteria for NHS access are set by clinical guidance and assessed on an individual basis by a prescriber. BMI and the presence of weight-related health conditions are typically considered. Speak to your prescriber or doctor for details relevant to your situation.
BMI is one factor in eligibility — commonly around 30 or above, or lower for some higher-risk groups. It is assessed alongside other clinical factors such as weight-related health conditions. Your prescriber makes the final determination based on your full clinical picture.
GLP Trackr helps you log each injection, track and rotate your injection sites, set weekly dose reminders, and record side effects and progress over time. It is a tracking companion, not a medical service — all clinical decisions stay with your prescriber or doctor.