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
Is Brown Rice Good for Weight Loss?
Brown rice can support weight loss efforts as part of a balanced diet due to its fibre content and lower glycaemic index compared to white rice. However, food alone rarely produces significant weight loss without calorie control and lifestyle changes. If you're struggling to lose weight through diet and exercise alone, UK-licensed prescription weight loss medication may be worth discussing with your GP. This guide explores brown rice's role in weight management uk and the prescription options available to eligible adults in the UK.
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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 Prescription Weight Loss Options for Eligible Adults
If you've been focusing on dietary changes like switching to brown rice but haven't seen the progress you hoped for, prescription weight loss medication may help. The UK has three licensed options: Mounjaro (tirzepatide), a dual GIP and GLP-1 injection; Wegovy (semaglutide), a GLP-1 injection; and Saxenda (liraglutide), a daily injection. All three are prescription-only and require clinical assessment.
- Mounjaro: Once-weekly injection, doses 2.5–15 mg. Clinical trials showed average weight loss of 15–21% of body weight.
- Wegovy: Once-weekly injection, maximum dose 2.4 mg. Average weight loss around 15% in clinical trials.
- Saxenda: Daily injection, maximum 3 mg. Effective for gradual, sustainable weight management.
These medicines work alongside reduced-calorie diet and exercise—not instead of them. Try our free GLP-1 weight loss calculator to explore potential results at different doses.
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 vs Private Access — How to Find Out If You're Eligible
NHS access: You'll need referral to a specialist tier 3 weight management service from your GP. Eligibility typically requires BMI of 30 or above, or 27–29.9 with weight-related health conditions (type 2 diabetes, high blood pressure, sleep apnoea). NHS waiting lists can be lengthy in many areas.
Private access: Available through online prescribing without NHS referral. A UK-licensed prescriber assesses your suitability. Start by speaking to your GP about your weight loss goals and whether prescription medication is appropriate for you. Use our free BMI calculator to check your current status and understand what eligibility thresholds mean for your situation.
- 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.
Does brown rice help with weight loss compared to white rice?
Brown rice has more fibre and nutrients than white rice, which can help you feel fuller for longer and may support weight management. However, portion control and overall calorie intake matter most. Brown rice alone won't produce weight loss without a calorie deficit alongside physical activity and consistent lifestyle changes.
What is the fastest way to lose weight in the UK?
Sustainable weight loss typically occurs at 0.5–1 kg per week through calorie deficit via diet and exercise. Prescription weight loss medication like Mounjaro or Wegovy can accelerate results for eligible adults when combined with lifestyle changes. NHS guidance emphasises that faster loss should only occur under medical supervision.
Am I eligible for prescription weight loss medicine on the NHS?
Generally, yes, if you have a BMI of 30 or above, or 27–29.9 with a weight-related health condition. However, NHS access is through specialist services with varying availability by region. Your GP can assess your eligibility and make a referral. Private prescribing may be faster if you prefer not to wait.
How much weight can I lose with Mounjaro or Wegovy?
Clinical trials showed average weight loss of 15–21% with Mounjaro and around 15% with Wegovy—but individual results vary significantly. Results depend on dose, adherence, diet, exercise, and personal metabolism. Use our weight loss calculator to estimate potential outcomes based on your situation.
Can I get weight loss injections without seeing my GP?
You don't need an NHS GP referral for private prescribing—an online consultation with a UK-licensed prescriber can assess suitability. However, your GP should always be informed of any weight loss treatment you're considering so they can monitor your health and any interactions with other medications.
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.