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 Apple Cider Vinegar Help With Weight Loss?
Apple cider vinegar (ACV) is often promoted as a weight loss remedy, but the evidence for its effectiveness is limited. While some small studies suggest ACV may have modest effects on appetite and blood sugar, there is no scientific consensus that it produces meaningful weight loss on its own. In the UK, weight management approaches recommended by the NHS focus on calorie deficit, physical activity, and where appropriate, prescription weight loss medication. Understanding what the research actually shows about ACV can help you make informed decisions about your weight loss strategy.
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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 Does Research Show About Apple Cider Vinegar?
Several small studies have examined apple cider vinegar's effects on weight and metabolism. A 2018 study published in the Journal of Functional Foods found that participants consuming ACV alongside a reduced-calorie diet lost slightly more weight than the control group over 12 weeks—but the difference was modest (around 1.2 kg extra). Other research suggests acetic acid (the active compound in ACV) may support feelings of fullness and reduce appetite slightly. However, these studies involve small sample sizes and the effects are generally described as minor. Most evidence indicates that any weight loss benefit from ACV is marginal and not comparable to proven weight loss methods. The NHS emphasises that sustainable weight loss requires a calorie deficit of approximately 500 kcal per day, which typically results in losing 0.5–1 kg per week. Apple cider vinegar alone cannot create this deficit.
Clinically BackedWeight Loss
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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 vs. Apple Cider Vinegar
For meaningful and sustainable weight management in the UK, the NHS recommends a multifaceted approach combining dietary changes, increased physical activity, and behavioural support. Prescription weight loss medications—such as GLP-1 injections like Wegovy (semaglutide) or Mounjaro (tirzepatide)—are available for eligible adults and have strong clinical trial evidence behind them. These medications work by reducing appetite and supporting feelings of fullness, and clinical trials show average weight loss of 15–21% of body weight. If you're considering weight loss strategies, try our free GLP-1 weight loss calculator to understand what evidence-based approaches might achieve, and use our BMI calculator to track where you currently fall on NHS weight categories. Always consult your GP about the best approach for your individual health.
- 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.
Will apple cider vinegar help me lose weight?
Apple cider vinegar may have a very modest effect on appetite and blood sugar, but research shows minimal weight loss benefit on its own. Most studies show only small differences (1–2 kg) when ACV is combined with a reduced-calorie diet. For meaningful weight loss, you need a sustained calorie deficit—which ACV alone cannot provide.
How much apple cider vinegar should I drink for weight loss?
There is no established safe or effective dose for weight loss. Consuming undiluted ACV can damage tooth enamel and irritate the digestive system. If you choose to try ACV, dilute it in water (1–2 tablespoons per glass). However, relying on ACV instead of proven weight loss strategies is not recommended.
What is the NHS approach to weight loss?
The NHS recommends losing 0.5–1 kg per week through a calorie deficit (approximately 500 kcal per day), regular physical activity, and behavioural support. For adults with a BMI of 30 or above, or 27–29.9 with weight-related health conditions, prescription weight loss medications may be considered through specialist services.
What are prescription weight loss injections, and do they work better than apple cider vinegar?
Medications like Wegovy (semaglutide) and Mounjaro (tirzepatide) are GLP-1 and GLP-1/GIP agonists licensed for weight management in the UK. Clinical trials show average weight loss of 15–21% of body weight alongside diet and exercise—significantly more than ACV. They require a prescription and clinical assessment from a GP or prescriber.
How can I work out if I need professional weight loss support?
Use our free BMI calculator to check your current BMI against NHS guidelines. If your BMI is 30 or above, or 27–29.9 with weight-related health conditions (diabetes, high blood pressure, heart disease), discuss weight management options with your GP. They can refer you to specialist services or assess whether prescription medication is suitable 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.