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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Vibration Plate Weight Loss and UK Prescription Weight Management
Vibration plates are popular fitness equipment, but evidence for significant weight loss on their own is limited. If you're looking to manage your weight in the UK, prescription weight loss medication may be available alongside exercise and diet changes. This guide explains UK-licensed prescription options, who is eligible, and how to access them through the NHS or private prescribing.
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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 Management Options
For adults struggling with weight management in the UK, three prescription-only medications are licensed for weight loss support:
- Mounjaro (tirzepatide) — a once-weekly injection that works as a dual GIP and GLP-1 receptor agonist, helping regulate appetite and food cravings. Clinical trials showed average weight loss of around 15–21% of body weight over 72 weeks when used with reduced-calorie diet and physical activity.
- Wegovy (semaglutide) — a once-weekly GLP-1 injection with evidence supporting approximately 15% average weight loss in clinical trials alongside lifestyle changes.
- Saxenda (liraglutide) — a daily GLP-1 injection option, requiring three injections per day.
All are prescription-only medicines requiring a clinical assessment. Eligibility typically includes adults with a BMI of 30 or above, or BMI 27–29.9 with weight-related health conditions like type 2 diabetes, high blood pressure, or sleep apnoea. You can use our free GLP-1 weight loss calculator to understand potential weight loss projections at different doses, and our BMI calculator to check if you may meet eligibility criteria.
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.
Accessing Prescription Weight Loss in the UK
NHS route: Weight loss medication is available through specialist tier 3 weight management services, typically accessed via GP referral. Availability and waiting times vary significantly by region. Many areas have substantial waiting lists.
Private route: GPhC-registered online pharmacies offer prescription weight loss treatment following an online clinical assessment with a UK-licensed prescriber. This typically provides faster access without NHS referral. Costs range from approximately £129–£320 per month depending on dose and provider.
Your GP can discuss which approach suits your circumstances and health profile. Even if you use vibration plates or other exercise equipment, combining evidence-based lifestyle changes with prescription support (if eligible) offers a comprehensive weight management approach. Track your progress using our free progress tracker tool.
- 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.
Do vibration plates alone help you lose weight?
Vibration plates may support fitness and muscle engagement, but clinical evidence for significant standalone weight loss is limited. They work best combined with calorie deficit, regular exercise, and healthy diet. For substantial weight loss, prescription options and lifestyle changes offer stronger evidence.
Who is eligible for prescription weight loss medication in the UK?
Adults with BMI 30 or above, or BMI 27–29.9 with at least one weight-related condition (diabetes, hypertension, sleep apnoea) may be eligible. South Asian, Chinese, Black African, and Black Caribbean adults may have lower eligibility thresholds. A prescriber assesses individual circumstances.
What is the difference between Mounjaro and Wegovy?
Mounjaro (tirzepatide) is a dual GIP and GLP-1 agonist with maximum dose 15 mg weekly, showing average 15–clinically studied weight loss. Wegovy (semaglutide) is a GLP-1 agonist only, maximum 2.4 mg weekly, with average clinically studied weight loss. Both are once-weekly injections; individual results vary.
How long does it take to see weight loss results?
Most people see initial weight changes within 2–4 weeks of starting prescription weight loss medication. Significant weight loss typically occurs over 8–16 weeks. Results depend on dose, adherence, diet, and exercise. Our weight loss calculator can estimate potential timelines.
Can I use weight loss medication alongside exercise like vibration plates?
Yes. Prescription weight loss medication works best combined with reduced-calorie diet and increased physical activity. Vibration plates, walking, or other exercise complements medication effects. Always discuss your full fitness routine with your prescriber.
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.