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
Moringa Powder Benefits for Weight Loss — What the Evidence Shows
Moringa powder is widely promoted for weight management, but clinical evidence supporting its weight loss benefits remains limited. While moringa contains nutrients and antioxidants, it is not a proven weight loss supplement. If you're interested in evidence-based weight management approaches in the UK, prescription medications like Mounjaro and Wegovy have demonstrated significant results in clinical trials. This guide explains what science actually shows about moringa, and introduces you to NHS-approved weight management options that may be more effective 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-Licensed Prescription Weight Loss Options
If you're considering weight loss supplements, it's worth knowing that the UK has several prescription-only weight loss medications with robust clinical evidence. These are more regulated and better studied than herbal supplements like moringa.
- Mounjaro (tirzepatide) — A dual GIP and GLP-1 injection. Clinical trials showed average weight loss of 15–21% of body weight over 72 weeks, alongside diet and exercise.
- Wegovy (semaglutide) — A GLP-1 receptor agonist injection given once weekly. Evidence from the STEP-1 trial demonstrated approximately 15% average weight loss at the highest dose.
- Saxenda (liraglutide) — A daily GLP-1 injection. Clinical data supports modest but meaningful weight loss results.
All three are prescription-only and require a clinical assessment to check eligibility. Individual results vary, but these medications are far more rigorously tested 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.
Finding Out If You're Eligible — NHS vs Private
In the UK, you may be eligible for prescription weight loss medication if you have a BMI of 30 or above, or a BMI of 27–29.9 with weight-related health conditions (type 2 diabetes, high blood pressure, sleep apnoea, or cardiovascular disease). Calculate your personal BMI using our free BMI calculator above to see where you stand.
NHS access: Ask your GP about referral to a specialist weight management service. Availability varies by region and waiting times can be long. Private access: You can consult a UK-licensed prescriber online for a clinical assessment without an NHS referral. Both routes require a proper medical evaluation — prescription weight loss medications are not available over the counter.
- 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 moringa powder effective for weight loss?
Moringa powder contains nutrients and antioxidants, but clinical evidence for weight loss is limited. While it may have general health benefits, it is not proven as a weight loss aid. Evidence-based prescription medications like Mounjaro and Wegovy have much stronger clinical support for actual weight loss results.
What's the difference between Mounjaro and Wegovy?
Mounjaro (tirzepatide) is a dual GIP and GLP-1 receptor agonist, while Wegovy (semaglutide) is a GLP-1 agonist only. In clinical trials, Mounjaro showed slightly higher average weight loss (15–21% vs 15%). Both are once-weekly injections. Individual results vary, and choice depends on suitability assessed by your prescriber.
How do I know if I'm eligible for weight loss medication in the UK?
You may be eligible if your BMI is 30 or above, or 27–29.9 with a weight-related health condition. Use our free BMI calculator on this page to check your personal BMI. Then discuss options with your GP or contact a private prescriber for a clinical assessment. Lower BMI thresholds apply if you're of South Asian, Chinese, Black African, or Black Caribbean heritage.
Can I get weight loss injections through the NHS?
Yes, but access is through specialist tier 3 weight management services via GP referral. Availability varies significantly by region and waiting times can be substantial. Private online prescribing offers faster access following a clinical assessment. Both routes require a valid prescription from a UK-licensed healthcare professional.
How much weight can I realistically lose with prescription medication?
Clinical trials show average weight loss of 15–21% of body weight with Mounjaro and around 15% with Wegovy over several months, alongside reduced-calorie diet and increased physical activity. Individual results vary significantly. Your prescriber will discuss realistic goals based on your personal health profile and medical history.
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.