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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Apple Vinegar for Weight Loss: What the Evidence Shows
Apple vinegar is a popular home remedy for weight loss, but the scientific evidence supporting it is weak and limited. While some studies suggest it may slightly reduce appetite or improve digestion, the effects are modest at best. For adults in the UK seeking effective weight management, prescription medications like Mounjaro and Wegovy have strong clinical evidence and are available through the NHS or private prescribing. Our GLP-1 weight loss calculator can help you explore realistic outcomes if you're eligible for prescription treatment. This guide explains what apple vinegar can and cannot do, and compares it to proven UK weight loss options.
10,000+ calculations today · NHS-aligned thresholds · 100% free
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 Medication
If you're looking for evidence-based weight management in the UK, several prescription weight loss medications are available with proven clinical trial data:
- Mounjaro (tirzepatide) — dual GIP and GLP-1 agonist; clinical trials showed participants lost an average of 15–21% of body weight over 72 weeks when combined with lifestyle changes
- Wegovy (semaglutide) — GLP-1 agonist; STEP trials demonstrated approximately 15% average weight loss at the maximum dose
- Saxenda (liraglutide) — daily GLP-1 injection; offers similar weight loss to Wegovy but requires daily rather than weekly injections
Unlike apple vinegar, these medications work by regulating appetite hormones and are prescribed only after clinical assessment. Eligibility depends on BMI and health status. Use our free BMI calculator above to check where you stand against NHS weight loss thresholds.
Weight 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.
How to Access Weight Loss Medication in the UK
Two routes are available for prescription weight loss treatment in the UK: NHS specialist services or private online prescribing.
NHS route: Your GP can refer you to a tier 3 weight management service if you meet eligibility criteria (BMI 30+, or 27+ with weight-related conditions). Waiting lists vary by region.
Private route: Licensed UK prescribers offer online consultations and prescription weight loss medication through registered pharmacies, often with faster access.
Either way, a prescriber will assess your individual health and eligibility. Start by speaking with your GP about whether prescription weight loss treatment is appropriate for you, or discuss private options with a registered online clinic.
- 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.
Does apple vinegar actually help with weight loss?
Apple vinegar has minimal scientific support for weight loss. Some small studies suggest it may slightly reduce appetite or improve blood sugar control, but effects are negligible compared to prescription medications. For meaningful, sustained weight loss, evidence-based options like Mounjaro and Wegovy are far more effective.
What makes Mounjaro and Wegovy different from home remedies?
Both are prescription medications approved by the MHRA with large-scale clinical trials proving their effectiveness. Mounjaro showed 15–clinically studied weight loss, Wegovy around 15%, compared to apple vinegar's minimal proven impact. They work by regulating hunger hormones, not just taste or digestion.
Am I eligible for prescription weight loss medication in the UK?
You may be eligible if your BMI is 30 or above, or 27 or above with a weight-related condition like high blood pressure or type 2 diabetes. Use our free BMI calculator on this page to check your starting point, then discuss eligibility with your GP or a private prescriber.
How do I get started with weight loss medication on the NHS?
Ask your GP for a referral to your local tier 3 weight management service if you meet the criteria. NHS access varies by region and can involve waiting lists. Private online prescribing offers faster access but is not free.
Can I combine apple vinegar with prescription weight loss medication?
While apple vinegar is unlikely to cause harm, prescription medications like Mounjaro and Wegovy require careful monitoring and work through different mechanisms. Always discuss all supplements and home remedies with your prescriber before combining them with any medication.
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.