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
Dinner Ideas For Weight Loss
Creating healthy dinner meals doesn't have to be restrictive or boring. Sustainable weight management in the UK starts with building balanced evening meals that support a calorie deficit while keeping you satisfied. Whether you're managing your weight through lifestyle changes alone or alongside prescription weight loss medication, the right dinner choices make a significant difference. These practical ideas focus on nutrient-dense foods that help you feel fuller for longer, making weight loss easier to maintain over time.
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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.
Key Principles for Weight Loss Dinners
Effective weight loss dinners follow a simple pattern: protein + vegetables + controlled carbohydrates. Protein (fish, chicken, lean meat, legumes, tofu) keeps you satisfied and supports muscle retention during weight loss. Non-starchy vegetables (broccoli, spinach, peppers, courgettes) provide volume and nutrients with minimal calories. Whole grains or starchy vegetables in portion-controlled amounts complete the meal. The NHS recommends a calorie deficit of around 500 kcal per day for sustainable weight loss of approximately 0.5 kg per week. For weight management in the UK, aim for dinners between 400–600 kcal depending on your daily allowance. Use our free BMI calculator above to understand your personal healthy weight range, then adjust portion sizes accordingly. If you're using prescription weight loss medication like GLP-1 injections, you may find smaller portions more comfortable anyway—but balanced nutrition remains essential.
- Fill half your plate with vegetables
- Include a palm-sized portion of protein
- Add a fist-sized portion of whole carbohydrates
- Use herbs and spices instead of high-calorie sauces
- Track portions if possible—our progress tracker helps log your meals
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.
Practical Dinner Ideas (Week-by-Week Examples)
Monday: Baked salmon fillet (150g) with roasted sweet potato and steamed broccoli. Tuesday: Lean beef stir-fry with mixed vegetables (peppers, snap peas, mushrooms) and brown rice. Wednesday: Grilled chicken breast with butternut squash and green beans. Thursday: Lentil curry with basmati rice and side salad. Friday: White fish (cod or haddock) with new potatoes and roasted vegetables. Weekend: Turkey meatballs with whole-wheat pasta and tomato-based sauce, or homemade vegetable soup with beans. Plan meals in advance—batch cooking makes it easier to maintain consistency. Cooking at home gives you control over oil, salt, and hidden calories unlike takeaways. When eating out, ask for dressings on the side and choose grilled over fried options. Staying consistent with balanced dinners supports nhs weight loss guidance and works well whether you're managing weight through diet and exercise or prescription weight loss medications.
- 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.
How many calories should a weight loss dinner be?
Most UK adults aiming for weight loss benefit from dinners of 400–600 kcal, depending on their daily calorie target and activity level. A calorie deficit of approximately 500 kcal per day typically results in losing around 0.5 kg per week. Your GP or a registered dietitian can suggest your personal target. If you're on prescription weight loss medication, portion sizes may naturally become smaller.
What are the best proteins for weight loss dinners?
Lean proteins keep you satisfied and support muscle retention. Choose: skinless chicken breast, fish (salmon, cod, haddock), lean beef, turkey, eggs, tofu, tempeh, and legumes (lentils, chickpeas, beans). Aim for a palm-sized portion (around 120–150g cooked weight) per dinner. Plant-based proteins combined with whole grains create complete amino acid profiles.
Can I eat carbohydrates when trying to lose weight?
Yes—carbohydrates are important for energy and health. The key is portion control and choosing whole grains. Include a fist-sized portion of brown rice, whole-wheat pasta, sweet potato, or oats. These provide sustained energy, fibre, and satiety compared to refined carbohydrates, supporting better weight management and nhs weight loss recommendations.
How does dinner timing affect weight loss?
Eating dinner 2–3 hours before bedtime is generally recommended to allow digestion and avoid sleep disruption. There's no evidence that earlier or later eating inherently burns more calories. What matters most is total daily calorie intake and consistency. Create a routine that fits your lifestyle and stick with it.
Should I use our weight loss calculator if I'm planning dinners?
Yes—our GLP-1 weight loss calculator helps you understand potential outcomes with structured eating. Even if you're not using medication, it shows how calorie and activity patterns affect weight loss projections, helping you set realistic expectations and stay motivated with your dinner planning strategy.
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.