What the Eligibility Criteria Generally Look Like
Public health programmes that fund weight loss injections — such as those available through the NHS in the UK — are designed for people with clinically significant weight-related health needs. While exact thresholds can differ between programmes and may be updated as guidance evolves, the criteria commonly considered include:
- BMI: A BMI of 35 or above (sometimes 30 or above in certain specialist or pilot programmes), assessed alongside other health factors rather than in isolation.
- Weight-related health conditions: The presence of at least one condition linked to excess weight, such as type 2 diabetes, high blood pressure, or raised cholesterol, is often required alongside the BMI threshold.
- Previous attempts at weight management: Many programmes expect evidence of engagement with lifestyle interventions — such as diet, exercise, or structured weight-management support — before injectable medicines are considered.
- Clinical suitability: Your prescriber will also consider whether the specific medicine is appropriate for you based on your full medical history, other medicines you take, and any contraindications.
It is worth noting that access criteria for funded programmes are set by health authorities and can change. Specialist weight-management services, primary care, and pilot schemes may each operate under slightly different thresholds. For a full picture of weight loss injections and the NHS, including how funded access currently works, see our dedicated page.
If you are researching whether you might be eligible, our guide on how to qualify for weight loss injections covers the broader qualification landscape beyond any single national scheme. Your prescriber or doctor remains the only person who can give you a definitive answer based on your own circumstances.
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Already Prescribed? How GLP Trackr Helps You Stay on Track
If you have already been prescribed a weight loss injection such as Mounjaro (tirzepatide) or Wegovy (semaglutide), keeping a clear and consistent record of your injections is one of the most practical things you can do. GLP Trackr's injection-site tracking and rotation feature lets you log each injection — recording the site (abdomen, thigh, or upper arm), the date, and the dose — so you always know where you last injected and where to go next. The app suggests your next rotation site automatically, removing any guesswork.
Alongside site tracking, dose reminders help make sure a weekly injection is never accidentally missed — particularly useful in the early weeks when a new routine is still forming. If you ever need to bring a summary of your injection history to a prescriber appointment, having a consistent log makes that conversation much easier.
For a broader overview of managing your treatment, visit our weight loss injections hub, which brings together guidance on every aspect of the journey.
GLP Trackr is a tracking and journaling app — it is not a medical service and does not provide clinical advice. Any questions about your eligibility, dose, or treatment should always be discussed with your prescriber or doctor, who knows your full health history.
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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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Frequently asked questions.
NHS-funded weight loss injection programmes commonly require a BMI of 35 or above, though some specialist or pilot programmes may consider a lower threshold. Eligibility also typically depends on having at least one weight-related health condition. Your prescriber or doctor can advise based on current local criteria.
Many funded programmes expect evidence of prior engagement with lifestyle or weight-management interventions — such as a structured diet programme or supervised exercise plan — before injectable medicines are considered. Your prescriber can tell you what is required in your specific programme.
Yes. Criteria are set by health authorities and can be updated as guidance evolves or new programmes are introduced. It is always worth checking current criteria directly with your prescriber or doctor rather than relying on older information.
Having a condition such as type 2 diabetes that is linked to excess weight is often one of the clinical criteria considered alongside BMI. However, eligibility decisions are made individually by a prescriber or specialist based on your full health picture.
GLP Trackr lets you log each injection, track rotation sites, set weekly dose reminders, and record side effects — all in one place. This helps you stay consistent and build a clear record to discuss with your prescriber at appointments.