The UK's most complete GLP-1 guide
Every Question Answered. Every Side Effect Explained.
- How GLP-1 medications work
- Mounjaro vs Wegovy compared
- Injection instructions
- Side effects & solutions
- What to eat on treatment
- FAQs answered
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Will Weight Loss Help Snoring? UK Prescription Options
Yes, weight loss can significantly help reduce snoring in many cases. Excess weight, particularly around the neck and throat, narrows airways and increases snoring and sleep apnoea risk. For eligible adults in the UK, prescription weight management medications are now available through NHS services or private prescribers. This guide explains how weight loss helps snoring and what medication options you can discuss with your GP.
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Calculate Your BMI Instantly
Enter your height and weight below. Supports both imperial (stone & lbs) and metric (kg). Results include NHS category, healthy weight range, and ethnicity adjustments.
What Is BMI and Why Does It Matter?
Body Mass Index (BMI) is the most widely used screening tool for assessing whether your weight falls within a healthy range. Used by the NHS, GPs, and weight management services across the UK, BMI provides a quick snapshot of your weight relative to your height. The formula is simple: your weight in kilograms divided by your height in metres squared (kg/m²).
While BMI isn't a perfect measure — it doesn't account for muscle mass, bone density, or fat distribution — it remains the standard first step in identifying potential weight-related health risks including type 2 diabetes, cardiovascular disease, high blood pressure, and certain cancers.
The NHS also recommends adjusted thresholds for people of South Asian, Chinese, or Black African heritage — a BMI of 23 or above is classified as overweight, and 27.5 as obese. Our calculator includes this adjustment as a one-click toggle.
UK-Licensed Prescription Weight Loss Medications
Three prescription medications are licensed in the UK for weight management: Mounjaro (tirzepatide), Wegovy (semaglutide), and Saxenda (liraglutide). These work by reducing appetite and helping you feel fuller after smaller meals, supporting sustainable weight loss when used alongside dietary changes and increased physical activity.
Mounjaro is a dual GIP and GLP-1 receptor agonist injected once weekly (doses 2.5–15 mg). Clinical trials showed participants lost an average of 15–21% of their body weight over 72 weeks — individual results vary.
Wegovy is a GLP-1 agonist also injected once weekly (doses 0.25–2.4 mg), with clinical evidence showing average weight loss of approximately 15% of body weight.
Eligibility for UK prescription weight loss medication: Adults with a BMI of 30 or above, or 27 or above with weight-related health conditions (including sleep apnoea), may be eligible. Use our free BMI calculator above to check your personal BMI instantly, then discuss options with your GP.
Clinically BackedWeight Loss
No appointments. No waiting rooms. Just care — from a UK-regulated online pharmacy.
How It Works
Three simple steps to understand your weight and take action.
Enter your height and weight in our free calculator. Get your BMI, NHS category, healthy weight range, and ethnicity-adjusted thresholds instantly.
If your BMI suggests you're overweight or obese, explore our GLP-1 calculators to project potential weight loss on Mounjaro or Wegovy.
Use our progress tracker to log your weight weekly, visualise your journey with charts, and stay motivated — all stored privately in your browser.
Free Weight Loss Tools & Guides
Everything you need to understand your weight, explore medication options, and track your progress — completely free.
NHS vs Private Access and Next Steps
NHS access: Weight loss medication through the NHS is available via tier 3 specialist weight management services. Your GP can refer you, though waiting lists vary significantly by region. NICE has approved tirzepatide and semaglutide for NHS use.
Private access: Available through GPhC-registered online prescribers following a clinical assessment, without NHS referral. Costs typically range from £129–£320 monthly depending on dose.
If snoring is affecting your sleep quality or you suspect sleep apnoea, speak to your GP first — they can assess whether weight loss medication is suitable for you and discuss whether it aligns with your specific health needs. Our GLP-1 weight loss calculator can help you understand potential outcomes at different doses if you progress to treatment.
- Dual GIP/GLP-1 receptor agonist
- Up to 22.5% body weight loss (SURMOUNT-1)
- Weekly injection, dose escalation over 20+ weeks
- Available via private prescription in the UK
- Doses: 2.5mg → 5mg → 7.5mg → 10mg → 12.5mg → 15mg
- GLP-1 receptor agonist
- Up to 15–17% body weight loss (STEP trials)
- Weekly injection, 5-step dose escalation
- NHS & private prescription available
- Doses: 0.25mg → 0.5mg → 1mg → 1.7mg → 2.4mg
Mounjaro vs Wegovy: Head-to-Head
A side-by-side comparison of the two most popular GLP-1 weight loss medications available in the UK.
| Feature | Mounjaro | Wegovy |
|---|---|---|
| Drug class | Dual GIP/GLP-1 agonist | GLP-1 agonist |
| Active ingredient | Tirzepatide | Semaglutide |
| Avg. weight loss | 15–22.5% | 12–17% |
| Key trial | SURMOUNT-1 (2022) | STEP 1 (2021) |
| Max dose | 15 mg weekly | 2.4 mg weekly |
| Escalation period | 20–32 weeks | 16–20 weeks |
| Administration | Weekly injection (pen) | Weekly injection (pen) |
| NHS availability | Private prescription only | NHS & private |
| Approx. private cost | £150–£250/month | £150–£300/month |
| Common side effects | Nausea, diarrhoea, constipation | Nausea, vomiting, diarrhoea |
Data sourced from SURMOUNT-1 and STEP 1 clinical trials. Costs are approximate and vary by provider. Always consult a prescriber.
Am I Eligible for Weight Loss Medication?
In the UK, eligibility for GLP-1 weight loss medications like Mounjaro and Wegovy is based on your BMI and overall health profile.
- BMI of 30 or above (obese)
- Age 18 or over
- No contraindicated conditions
- Committed to lifestyle changes
- BMI of 27 or above
- Plus type 2 diabetes
- Or high blood pressure
- Or obstructive sleep apnoea
Use our BMI calculator to check whether your BMI falls within the eligible range.
How We Built These Tools
Every calculator and guide on myweightcheck is built with accuracy and transparency in mind. Our BMI calculator uses the standard WHO formula with NHS-aligned category thresholds. Our GLP-1 projections are modelled on published clinical trial data from SURMOUNT and STEP studies.
All data stays on your device. We don't require sign-ups, and we don't store your health information on any server. Your progress tracker saves data locally in your browser using localStorage, so only you can see it.
We're based in the UK and our tools are designed specifically for UK users — supporting stone & lbs by default, referencing NHS guidelines, using NICE-approved medication data, and linking to GPhC-registered pharmacies.
Frequently Asked Questions
Common questions about BMI, weight loss medications, and our free UK tools.
Can weight loss really reduce snoring?
Yes. Excess weight narrows airways and increases snoring severity and obstructive sleep apnoea risk. Clinical evidence shows that even a 5–clinically studied weight loss can significantly reduce snoring. Weight loss addresses the underlying cause, not just the symptom.
How much weight do I need to lose to stop snoring?
Individual results vary. Some people notice improvement after losing 5% of body weight, while others need more substantial loss. Your GP can advise based on your personal circumstances. Using our BMI calculator helps establish a healthy weight target for your height.
Who is eligible for prescription weight loss medication in the UK?
Adults with a BMI of 30 or above are typically eligible. Those with a BMI of 27–29.9 and a weight-related health condition (including sleep apnoea) may also qualify. South Asian, Chinese, Black African, and Black Caribbean adults may be eligible at lower BMI thresholds due to higher health risks.
How long does it take to see snoring improvement with weight loss medication?
Weight loss typically begins within 4–8 weeks, though individual timelines vary. Snoring improvement often follows as weight is lost, particularly around the neck and throat. Your prescriber will monitor your progress and adjust treatment as needed.
Can I use weight loss medication alongside other sleep apnoea treatments?
Possibly — this depends on your specific situation and should be discussed with your GP or sleep specialist. Weight loss medication is often used alongside other lifestyle changes. Never stop or adjust other treatments without professional guidance.
Ready to take control of your weight loss journey?
Start with a free BMI check, explore your GLP-1 options, or begin tracking your progress today. No sign-up. No cost. Just results.