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
Free tracker included with every download this week
Vibration Plates And Weight Loss — Do They Work?
Vibration plates are marketed as a quick way to lose weight, but evidence for their effectiveness is limited. While they may support fitness when used alongside exercise, they're not a primary weight loss solution. If you're looking for evidence-based weight management in the UK, prescription options like Mounjaro and Wegovy are available for eligible adults. This guide explains vibration plates, their actual benefits, and the prescription alternatives that clinical evidence supports for sustainable weight loss.
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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 Prescription Weight Management Options
If you're interested in weight management in the UK, several prescription-only medications are licensed and available for eligible adults alongside diet and physical activity. Mounjaro (tirzepatide) is a dual GIP and GLP-1 receptor agonist injection administered once weekly. Clinical trials showed adults on the maximum 15 mg dose lost an average of 20.9% of their body weight. Wegovy (semaglutide) is a GLP-1 injection also given once weekly, with average weight loss around 14.9% at the maximum 2.4 mg dose. Saxenda (liraglutide) is a daily injection alternative. These medications work by regulating appetite hormones and may help you feel fuller after smaller meals. All are prescription-only and require clinical assessment before being prescribed. Our free GLP-1 weight loss calculator can help you understand potential outcomes at different doses—individual results vary significantly based on lifestyle changes and personal factors.
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 Eligibility And How To Get Started
In the UK, you may be eligible for prescription weight loss treatment if you have a BMI of 30 or above, or 27 or above with a weight-related health condition such as type 2 diabetes, high blood pressure, or sleep apnoea. Access varies: NHS route involves referral to a specialist tier 3 weight management service through your GP, though waiting lists can be significant in many areas. Private route involves an online consultation with a UK-licensed prescriber and prescription from a GPhC-registered pharmacy. Start by speaking with your GP about your weight management goals—they can discuss which approach suits you best. Use our free BMI calculator to check where you fall on the NHS weight categories, and remember that prescription medication works best alongside reduced-calorie diet and increased physical activity.
- 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 actually help with weight loss?
Vibration plates alone are unlikely to cause significant weight loss. They may assist as a complement to exercise, but evidence suggests minimal calorie burn compared to traditional exercise. Weight loss requires a calorie deficit, which vibration plates cannot create independently. For evidence-based weight loss support, prescription options are available for eligible UK adults.
What's the difference between Mounjaro and Wegovy?
Mounjaro (tirzepatide) is a dual GIP and GLP-1 agonist with average weight loss around 20.9% at maximum dose. Wegovy (semaglutide) is a single GLP-1 agonist with average weight loss around 14.9%. Both are once-weekly injections. Clinical trial results show different mechanisms, but individual outcomes vary. Your prescriber can discuss which suits your health profile.
Can I access prescription weight loss medication on the NHS?
Yes, if eligible. You need a BMI of 30 or above, or 27 or above with weight-related health conditions. Access is through specialist tier 3 weight management services—ask your GP for referral. Availability and waiting times vary significantly by region. Private options are also available without NHS referral.
How quickly will I lose weight on GLP-1 medication?
Safe weight loss is typically 0.5–1 kg per week. Clinical trials showed sustained weight loss over several months alongside diet and exercise. Results vary individually—some people lose more, some less. Our free progress tracker helps you log weight changes over time and spot trends. Always consult your prescriber about realistic timescales for your situation.
What happens if vibration plates don't work for weight loss?
If you've tried lifestyle approaches and want more support, prescription weight loss medication may help. UK GLP-1 options like Mounjaro and Wegovy have strong clinical evidence. Start by speaking with your GP about your weight management goals and whether you're eligible. They can assess your individual health needs and discuss the right next steps for you.
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.