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
Lunch Meal Prep Recipes for Weight Loss
Meal prepping your lunch is one of the most effective ways to support sustainable weight management in the UK. By preparing nutritious, portion-controlled lunches in advance, you reduce the temptation to reach for high-calorie takeaways or convenience foods during the working week. Whether you're managing your weight through dietary changes alone or alongside prescription weight loss medication, having healthy lunches ready makes staying on track significantly easier. This guide shares practical, calorie-controlled lunch recipes designed to keep you satisfied while supporting your weight loss goals.
10,000+ calculations today · NHS-aligned thresholds · 100% free
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.
Protein-Rich Lunch Recipes for Sustained Fullness
High-protein lunches are key to feeling full for longer and avoiding mid-afternoon snacking. The NHS recommends including lean protein at every meal, as protein increases satiety and supports muscle preservation during weight loss. Try these simple meal prep ideas: grilled chicken breast with brown rice and roasted vegetables (approximately 450 kcal), baked salmon with sweet potato and broccoli (around 500 kcal), or turkey and lentil bolognese served with courgette noodles (approximately 400 kcal).
- Chicken and chickpea salad: Combine diced cooked chicken, tinned chickpeas, cucumber, tomatoes, and a light olive oil dressing. Prep in mason jars with dressing at the bottom.
- Tuna and quinoa bowl: Mix tinned tuna, cooked quinoa, sweetcorn, red pepper, and a squeeze of lime juice.
- Lentil soup: Red lentil and vegetable soup freezes well and provides sustained energy without excess calories.
Aim for a calorie target of 400–550 kcal per lunch to support a modest calorie deficit for weight loss. Our free BMI calculator can help you determine your personalised calorie needs based on your current weight and health profile.
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.
Vegetables, Portion Control, and Making Meal Prep Sustainable
Fill half your plate with non-starchy vegetables — they're nutrient-dense, low in calories, and add volume without excess energy. Include colourful options: spinach, broccoli, peppers, courgettes, and carrots. For carbohydrates, portion control matters: a closed fist of brown rice, sweet potato, or wholemeal pasta is a helpful guide. Store prepared lunches in individual containers in the fridge (use within 3–4 days) or freeze for later weeks.
Meal prepping doesn't require complex recipes. Simple combinations of grilled protein, measured carbohydrates, and generous vegetables work brilliantly. Use our weight loss calculator to track your progress week by week, and remember that sustainable weight loss typically progresses at around 0.5–1 kg per week alongside reduced-calorie eating and increased physical activity.
- 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 my lunch contain for weight loss?
For most adults aiming to lose weight, a lunch of 400–550 kcal supports a moderate calorie deficit. However, your ideal calorie target depends on your personal circumstances, current weight, and activity level. Your GP or a registered dietitian can advise on your specific needs. The NHS recommends a calorie deficit of approximately 500 kcal per day for steady weight loss of around 0.5 kg per week.
What makes a meal-prep lunch good for weight management UK?
A weight-loss-friendly lunch includes lean protein (to keep you satisfied), plenty of vegetables (for volume and nutrients without many calories), and controlled portions of carbohydrates. Avoid calorie-dense dressings and oils, and drink water rather than sugary drinks. Preparing lunches in advance removes the temptation to grab high-calorie convenience foods during busy working days.
Can I use meal prep recipes if I'm taking GLP-1 weight loss medication?
Yes. If you're taking prescription weight loss medication like Wegovy or Mounjaro, meal prep lunches remain important. These medications may reduce your appetite, but proper nutrition still matters. Ensure your meals include adequate protein and micronutrients. Always follow your prescriber's guidance on diet, and discuss any significant changes with your healthcare team.
How do I make meal prep lunches interesting and avoid boredom?
Prepare 3–4 different lunch recipes per week, rotating proteins (chicken, fish, turkey, tofu, lentils) and vegetables. Change dressings and seasonings to vary flavour without adding calories. Batch-cook components: rice, protein, roasted vegetables separately, then combine them differently each day. This approach keeps meals fresh while maintaining portion control.
What's the difference between weight loss through diet and using weight loss injections?
Dietary changes create a calorie deficit through eating fewer calories, while prescription medications like Wegovy (semaglutide) work by reducing appetite and promoting fullness. Clinical trials show that combining medication with dietary changes produces better results than either approach alone. Medication is prescribed only to those meeting specific eligibility criteria — your GP can assess whether it may be appropriate for you.
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.