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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Healthy Dinner Options for Weight Loss
Preparing healthy dinners is one of the most effective ways to support sustainable weight loss. In the UK, many adults use a combination of dietary changes and lifestyle adjustments to reach a healthier weight. For some, prescription weight management options are also available through the NHS or private prescribers. This guide covers practical dinner ideas that align with weight loss goals, and explains how prescription weight loss medication can complement a balanced diet approach.
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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.
Nutrition-First Dinner Strategies for Weight Loss
Creating healthy dinners for weight loss starts with understanding portion sizes and macronutrients. Aim to fill half your plate with vegetables, one quarter with lean protein, and one quarter with whole grains or starchy vegetables. Lean proteins — such as grilled chicken, fish, tofu, or lentils — help you feel fuller for longer, which is crucial for sustainable weight management uk. Include vegetables like broccoli, spinach, sweet potato, and peppers, which are nutrient-dense but low in calories.
- Grilled salmon with roasted vegetables and brown rice
- Stir-fried chicken with mixed vegetables and quinoa
- Vegetable-based curries using chickpeas or lentils
- Baked white fish with sweet potato and green beans
- Turkey mince bolognese with wholemeal pasta and hidden vegetables
Portion control matters too. A healthy weight loss rate is approximately 0.5–1 kg per week, which typically requires a calorie deficit of around 500 kcal daily. Try using smaller plates, eating slowly, and avoiding second helpings. Track your dinners using our free progress tracker to monitor patterns and stay consistent with your dietary goals.
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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.
Prescription Weight Loss Options Available in the UK
For adults struggling with weight loss through diet and exercise alone, several prescription weight loss medication options are available in the UK. Mounjaro (tirzepatide), Wegovy (semaglutide), and Saxenda (liraglutide) are all licensed for weight management. These work by reducing appetite and supporting feelings of fullness — making it easier to maintain a reduced-calorie diet like the healthy dinners described above.
To be eligible, you typically need a BMI of 30 or above, or 27 or above if you have weight-related health conditions such as type 2 diabetes or high blood pressure. Check your BMI using our free BMI calculator. Access to these medications is through NHS weight management services (which may have waiting lists) or private online prescribing following a clinical assessment. Your GP can advise on NHS eligibility and local specialist services. Private prescribers can assess suitability quickly and provide medication if appropriate. Weight loss medication works best alongside healthy dinners and increased physical activity — not instead of them.
- 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.
What makes a dinner "healthy" for weight loss?
A healthy weight loss dinner includes lean protein (fish, chicken, tofu), at least two portions of vegetables, and a sensible amount of whole grains or starchy vegetables. Aim for nutrient density over calorie density — foods that fill you up without excess calories. Prepare grilled, baked, or steamed options rather than fried. Portion size matters: use smaller plates and eat slowly.
Can I lose weight with diet alone, or do I need medication?
Many people lose weight successfully through diet, exercise, and lifestyle changes alone. However, for some individuals — particularly those with a BMI over 30 or weight-related health conditions — prescription weight loss medication can provide additional support. This is a personal decision best discussed with your GP, who can assess whether medication is appropriate for you.
How do GLP-1 weight loss injections help with healthy eating?
GLP-1 medications like Wegovy and Mounjaro reduce appetite and help you feel fuller after smaller meals, making it easier to stick to healthy dinners and maintain a calorie deficit. They work alongside diet and exercise, not as a replacement. Clinical trials show average weight loss of 15–21% with these medications, though individual results vary significantly.
How do I know if I'm eligible for weight loss medication on the NHS?
NHS weight loss medication eligibility typically requires a BMI of 30 or above, or 27 or above with weight-related conditions. Access is usually through specialist tier 3 weight management services — ask your GP for a referral. Waiting times vary significantly by region. Alternatively, private online prescribers can assess eligibility quickly if you prefer private access.
Should I track my dinner choices if I'm taking weight loss medication?
Yes. Even with prescription medication, tracking your diet and using our free progress tracker helps you understand patterns, stay consistent, and identify which dinners work best for you. Medication plus healthy dinners plus activity creates the strongest foundation for sustainable weight loss.
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.