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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Cumin Seeds And Weight Loss — What Works In The UK
Cumin seeds have been used in traditional medicine and are sometimes promoted for weight management, but evidence for their effectiveness is limited. While exploring natural approaches to health is understandable, adults in the UK struggling with their weight now have access to prescription medications with stronger clinical evidence. If you're overweight or obese, your GP can discuss whether you're eligible for weight loss medication through the NHS, or you may explore private prescription options. This guide looks at cumin alongside the proven pharmaceutical weight management options available to UK adults.
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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 looking for weight management in the UK, three prescription medications are currently licensed for adults:
- Mounjaro (tirzepatide) — a once-weekly injection that activates dual GIP and GLP-1 pathways. In clinical trials, it helped participants lose an average of 15–21% of body weight.
- Wegovy (semaglutide) — a once-weekly GLP-1 injection. Clinical evidence showed an average weight loss of around 15% of body weight.
- Saxenda (liraglutide) — a daily GLP-1 injection, with evidence supporting weight loss of 5–10% of body weight on average.
All three are prescription-only medicines requiring clinical assessment. They are prescribed alongside a reduced-calorie diet and increased physical activity — not as a replacement for lifestyle changes. Individual results vary significantly.
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.
NHS Eligibility And How To Access Weight Loss Support
To access prescription weight loss medication through the NHS, you'll typically need a BMI of 30 or above, or 27 or above with weight-related health conditions such as type 2 diabetes or high blood pressure. Access is through specialist tier 3 or 4 weight management services, usually following referral from your GP. Regional availability varies significantly — waiting lists can be lengthy in some areas.
Privately, prescription weight loss medications are available through online consultations with UK-licensed prescribers, without needing NHS referral. Use our free BMI calculator to check your starting point, and speak with your GP about which route suits your circumstances.
- 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.
Do cumin seeds actually help with weight loss?
Limited clinical evidence exists. While cumin has been studied for metabolic effects, the results are modest and mixed. Most weight loss supplements lack the rigorous clinical evidence behind prescription medications like Mounjaro or Wegovy. Always discuss any supplement with your GP before starting.
What's the difference between Mounjaro and Wegovy for weight loss?
Mounjaro (tirzepatide) is a dual GIP+GLP-1 agonist and showed average weight loss of 15–21% in trials. Wegovy (semaglutide) is a single GLP-1 agonist with average weight loss around 15%. Both are once-weekly injections requiring clinical assessment and prescription.
Am I eligible for NHS weight loss medication?
Generally, yes, if you have a BMI of 30 or above, or 27 or above with weight-related health conditions. However, NHS access is through specialist services with varying regional availability. Your GP can refer you and discuss eligibility based on your individual health.
Can I get prescription weight loss medication privately?
Yes. Private online prescribers can issue prescriptions for Mounjaro, Wegovy, or Saxenda following a clinical consultation. These are dispensed by GPhC-registered pharmacies. Costs vary by dose and provider, typically ranging from £129–£320 per month.
How much weight can I expect to lose with medication?
Clinical trials show average weight loss of 5–21% of body weight depending on the medication and dose. However, individual results vary significantly. Weight loss is maximised when medication is combined with a reduced-calorie diet and increased physical activity. Your prescriber will discuss realistic expectations.
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.