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
How Much Apple Cider Vinegar for Weight Loss?
There is no proven safe or effective dose of apple cider vinegar (ACV) for weight loss. While some small studies suggest ACV may modestly support weight management, the evidence is limited and doses vary widely in research. The NHS does not recommend ACV as a primary weight loss tool. If you're interested in your ideal weight for your height, use our free BMI calculator to establish your healthy weight range, then focus on evidence-based methods like calorie deficit and physical activity. Before taking ACV supplements, always consult your GP—particularly if you take medications or have diabetes or digestive issues.
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.
What Does the Evidence Say About ACV and Weight Loss?
Research on apple cider vinegar and weight loss is limited. A few small studies suggest ACV may help slightly reduce appetite or slow gastric emptying, but results are inconsistent and modest. Most studies involved very small groups, and many were short-term. The NHS does not currently recommend ACV as an evidence-based weight loss intervention.
Proposed mechanisms:
- May slow how quickly food leaves the stomach
- Might help blood sugar control slightly
- Could reduce appetite in some people
However, these effects, if real, are small and do not replace the proven benefits of a calorie deficit and increased physical activity. Your healthy weight range depends on your height and current BMI—our calculator can help establish your target.
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.
Safety Concerns and Why ACV Isn't a Weight Loss Solution
Apple cider vinegar is acidic and carries real risks. Regular consumption can erode tooth enamel, cause stomach upset, and interact with medications including diabetes drugs and diuretics. There is no agreed safe dose for weight loss—studies have used anything from 1 teaspoon to several tablespoons daily, making recommendations inconsistent.
For sustainable weight management aligned with NHS guidance, focus on proven methods: a modest calorie deficit (around 500 kcal per day for roughly 0.5 kg per week loss), increased physical activity, and consistent tracking. If you're unsure what your nhs healthy weight should be, speak to your GP. They can advise on a healthy weight for my height and personalised strategies.
- 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.
Is apple cider vinegar safe to drink daily for weight loss?
Apple cider vinegar is acidic and can damage tooth enamel and stomach lining with regular use. It may also interact with medications, especially diabetes drugs and diuretics. There is no established safe daily dose for weight loss. Always consult your GP before taking ACV supplements, particularly if you have existing health conditions.
How much apple cider vinegar should I take to lose weight?
There is no proven effective dose. Research studies have used highly variable amounts, and the NHS does not recommend ACV as a weight loss treatment. Instead, focus on evidence-based methods: create a calorie deficit (around 500 kcal daily), increase physical activity, and track progress. Use our free weight calculator UK to establish your healthy weight range.
Can apple cider vinegar replace diet and exercise for weight loss?
No. Even if ACV had modest effects, it cannot replace calorie deficit and physical activity—the two proven pillars of sustainable weight loss. The NHS recommends losing 0.5–1 kg per week through diet and exercise combined. Weight loss injections, if clinically suitable, are used alongside lifestyle changes, never instead of them.
What's my healthy weight for my height?
Your healthy weight range depends on your height and age. Use our free BMI calculator to find your healthy weight for height instantly. For an adult, a BMI between 18.5 and 24.9 is considered healthy by the NHS. For South Asian, Chinese, and Black African/Caribbean adults, lower thresholds apply. Your GP can also advise on what weight for height is right for you.
What are evidence-based alternatives to apple cider vinegar for weight loss?
Proven weight loss strategies include: creating a 500 kcal daily calorie deficit, increasing physical activity (150 minutes weekly), eating whole foods and reducing ultra-processed items, staying hydrated, and ensuring adequate sleep. For eligible adults, prescription weight loss medications like Mounjaro or Wegovy (used alongside lifestyle changes) have clinical trial evidence. Speak to your GP about what's appropriate for your situation.
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.