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
Does Cider Vinegar Help With Weight Loss?
Cider vinegar is often promoted as a weight loss remedy, but what does the evidence actually show? While some small studies suggest apple cider vinegar may have modest effects on appetite and blood sugar control, there is no strong scientific evidence that it directly causes weight loss. Weight management in the UK is most effective when combining dietary changes with increased physical activity. If you're looking to lose weight, your GP can discuss evidence-based approaches tailored to your individual health needs and circumstances.
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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.
What The Evidence Shows About Cider Vinegar
Research on apple cider vinegar and weight loss remains limited and inconclusive. A small number of studies suggest acetic acid (the main active compound in vinegar) may have minor effects on metabolism and appetite regulation, but these findings are not strong enough to recommend cider vinegar as a primary weight loss strategy. NHS weight management guidance emphasises sustainable approaches including reduced-calorie eating, increased physical activity, and behavioural support.
- Some studies show modest blood sugar stabilisation effects, which theoretically could support weight management
- Individual results vary significantly — cider vinegar is not a substitute for lifestyle changes
- No clinically studied weight loss outcomes have been demonstrated in rigorous clinical trials
- Consuming vinegar regularly may cause tooth enamel erosion or digestive discomfort in some people
If you're interested in exploring weight loss options, use our free BMI calculator above to understand your current weight category and health context. Evidence-based prescription weight loss medication, when appropriate, offers more reliable support than dietary supplements.
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.
Evidence-Based Weight Loss Alternatives in the UK
If you're seeking to lose weight, the NHS recommends a structured approach: a calorie deficit of around 500 kcal per day typically supports sustainable loss of 0.5–1 kg per week. For adults with a BMI of 30 or above, or 27 or above with weight-related health conditions, prescription weight loss medication may be appropriate following a clinical assessment. GLP-1 weight loss injections like Mounjaro and Wegovy are now available through NHS specialist services or private prescribing in the UK, with clinical trial evidence supporting meaningful weight loss when combined with lifestyle changes.
- Consult your GP to discuss your weight management options
- Try our GLP-1 weight loss calculator to explore potential outcomes with prescription medication
- Use our progress tracker to log sustainable weight loss progress
- 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 I lose weight by just drinking cider vinegar?
No. Cider vinegar alone will not cause significant weight loss. Weight loss requires a calorie deficit achieved through dietary changes and increased physical activity. Cider vinegar may have minor effects on blood sugar, but there is no strong evidence it produces weight loss on its own.
Is cider vinegar safe to drink regularly for weight loss?
Vinegar is acidic and consuming large amounts regularly may erode tooth enamel, irritate your stomach, or interact with certain medications. Always dilute vinegar in water. If you're considering regular vinegar consumption, discuss it with your GP first, especially if you take diabetes or blood pressure medications.
What weight loss methods actually work according to the NHS?
The NHS recommends a calorie deficit (typically 500 kcal per day), regular physical activity, and behaviour change support. For eligible adults, prescription weight loss medications like GLP-1 injections have strong clinical evidence. Our BMI calculator and weight loss calculator can help you understand your options.
How much weight can I realistically lose?
Safe, sustainable weight loss is 0.5–1 kg per week. A 5–10% reduction in body weight produces meaningful health benefits including better blood pressure and blood sugar control. Individual results vary based on your starting point, lifestyle changes, and other factors.
Should I try cider vinegar or see my GP about weight loss?
See your GP. They can assess your individual health, discuss evidence-based options, and refer you to specialist weight management services if appropriate. Prescription medications like Mounjaro or Wegovy offer more reliable outcomes than unproven remedies like cider vinegar.
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.