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
Healthy Dinner Meals For Weight Loss
Creating nutritious, balanced dinner meals is one of the most effective ways to support sustainable weight loss. A healthy dinner should be rich in protein and vegetables whilst keeping portion sizes reasonable—typically around 500–600 calories for most adults aiming to lose weight. Combined with physical activity and lifestyle changes, the right evening meals can help you stay in a calorie deficit, which is essential for gradual, lasting weight loss. Our free BMI calculator can help you understand your starting point, whilst our GLP-1 weight loss calculator can show how diet combines with other weight management approaches.
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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.
What Makes a Healthy Weight Loss Dinner
A healthy dinner for weight loss should include three key components:
- Lean protein (25–35g): Chicken breast, fish, turkey, tofu, or legumes help keep you fuller for longer and preserve muscle during weight loss
- Non-starchy vegetables (at least half your plate): Broccoli, spinach, peppers, courgettes, and carrots are low in calories but high in fibre and nutrients
- Whole grains or starchy vegetables (one quarter of your plate): Brown rice, sweet potato, or oats provide sustained energy without excess calories
The NHS recommends avoiding fried foods, heavy sauces, and processed meals at dinner, as these are calorie-dense. Instead, grill, bake, steam, or boil your meals. Portion control matters—using a smaller plate can help you naturally eat less. Dinner should ideally be eaten 2–3 hours before bed to aid digestion and sleep quality, both important for weight management UK 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.
Practical Dinner Ideas For Sustainable Weight Loss
Example healthy dinner meals (approximately 500–550 calories):
- Grilled salmon fillet (150g) with steamed broccoli and new potatoes
- Turkey meatballs with tomato sauce, wholemeal pasta, and green salad
- Stir-fried tofu with mixed vegetables and brown rice
- Baked chicken breast with roasted sweet potato and green beans
- Lentil curry with cauliflower rice and a small portion of brown rice
These meals are balanced, satisfying, and help create the calorie deficit needed for gradual weight loss. Track your meals using our free progress tracker to identify patterns and stay accountable. Remember, sustainable weight loss typically occurs at 0.5–1 kg per week. If you're considering prescription weight loss medication alongside dietary changes, speak to your GP about options available through the NHS or a licensed prescriber.
- 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 healthy weight loss dinner contain?
Most adults aiming to lose weight should aim for dinners of 500–600 calories. This supports a calorie deficit when combined with breakfast, lunch, and snacks. Use our free progress tracker to log meals and monitor your intake. However, individual calorie needs vary by age, metabolism, and activity level—your GP can give personalised guidance.
Is it safe to eat dinner late if I'm trying to lose weight?
Timing matters less than total daily calories, but eating dinner 2–3 hours before bed supports better digestion and sleep. Poor sleep affects weight loss hormones, so avoid heavy meals very close to bedtime. The NHS suggests eating regular meals at consistent times to support stable hunger and metabolism.
Can I lose weight eating only salads for dinner?
Salads alone often lack sufficient protein and healthy fats to keep you satisfied, which can lead to overeating later or nutrient deficiency. Include lean protein (fish, chicken, tofu) and a small portion of whole grains with your salad. Balanced meals are far more sustainable for long-term weight loss than restrictive approaches.
How does dinner affect weight loss medication like GLP-1 injections?
GLP-1 weight loss medications work by reducing appetite and helping you feel fuller—but they work best alongside balanced, nutritious dinners rather than replacing proper nutrition. Healthy, protein-rich meals support muscle preservation during weight loss and work synergistically with prescription weight loss uk approaches. Always follow prescriber guidance on dietary support.
Should I count calories if I'm using a weight loss calculator?
Our free GLP-1 weight loss calculator shows potential weight loss outcomes, but calorie awareness is still helpful. Creating a calorie deficit of around 500 kcal per day typically results in 0.5 kg weekly loss. Many people find tracking 2–3 weeks of meals using our progress tracker helps identify where calories come from, then adjust naturally.
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.