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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Weight Loss Food Delivery in the UK — What You Need to Know
Weight loss food delivery services are meal subscription plans designed to support weight management in the UK. These services deliver pre-prepared meals with controlled portions and nutritional information, helping you maintain a calorie deficit without the effort of meal planning or cooking. While food delivery alone cannot clinically studied weight loss, it can be a practical tool alongside regular physical activity and, in some cases, prescription weight loss medication. Success depends on choosing the right plan for your needs and staying consistent with your diet and lifestyle.
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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.
How Weight Loss Food Delivery Services Support Weight Management
Weight loss food delivery services work by providing pre-prepared meals with controlled calories that align with weight loss goals. The NHS recommends losing weight at a sustainable rate of 0.5 to 1 kg per week, which typically requires a calorie deficit of around 500 kcal daily. Many UK weight loss meal plans deliver between 1,200 and 1,800 kcal per day, depending on your target intake.
- Portion control: Pre-measured meals remove guesswork, making it easier to stick to your calorie target
- Nutritional balance: Most services provide macronutrient breakdowns (protein, carbs, fats) to support sustainable weight loss
- Convenience: Meals arrive ready-to-eat or require minimal preparation, reducing barriers to healthy eating
- Accountability: Regular deliveries can help you stay motivated and on track with your weight management UK goals
Food delivery services work best when combined with increased physical activity and behavioural changes. If you're considering prescription weight loss medication alongside meal delivery—such as Mounjaro or Wegovy—these injections are used alongside dietary changes, not instead of them.
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.
Using Food Delivery with Prescription Weight Loss Options
If you're eligible for prescription weight loss medication through your GP or private prescriber, a structured meal plan can complement treatment. GLP-1 weight loss injections like Mounjaro (tirzepatide) and Wegovy (semaglutide) work by reducing appetite and promoting satiety, which often makes portion-controlled meals from a delivery service easier to follow. Try our free GLP-1 weight loss calculator to see projected results at different medication doses—remembering that these estimates assume consistent dietary and activity changes.
When choosing a weight loss food delivery service in the UK, check that meals provide balanced nutrition with adequate protein (to preserve muscle during weight loss), fibre, and micronutrients. Some services offer NHS-aligned options designed for medical weight management. Always discuss any significant dietary changes with your GP, especially if you're taking medication or have underlying health conditions.
- 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.
Will weight loss food delivery alone help me lose weight?
Food delivery services can support weight loss by providing calorie-controlled meals, but results depend on consistency and adherence. The NHS emphasises that sustainable weight loss requires a calorie deficit plus regular physical activity. Food delivery removes meal planning stress but doesn't replace exercise or lifestyle changes. For most people, combining a meal plan with 150 minutes of moderate activity weekly gives the best results.
Can I use weight loss food delivery with prescription weight loss injections like Wegovy?
Yes, meal delivery services work well alongside prescription weight loss medication. GLP-1 medications like Wegovy reduce appetite, which can make smaller portions easier to manage. However, medication is prescribed alongside—not instead of—dietary changes and exercise. Your prescriber will advise on the best approach for your individual circumstances.
How much does UK weight loss food delivery typically cost?
Costs vary by provider and meal type, typically ranging from £40 to £100+ per week depending on calorie targets and meal variety. Some services offer discounts for longer commitments. Compare the cost against your normal grocery and eating-out spending. Check if your chosen service provides nutritional information that aligns with NHS weight management guidelines.
What should I look for when choosing a weight loss meal delivery service?
Look for services that provide clear calorie and nutritional information, offer balanced macronutrients (including adequate protein), have flexible meal options, and can accommodate dietary requirements. Check customer reviews for reliability and taste quality. The best service is one you'll stick to consistently. Use our free BMI calculator to establish your current weight, then set a realistic weekly loss target alongside your meal plan.
Is weight loss food delivery suitable for everyone?
Food delivery services are suitable for most adults, but some people may need modified approaches. Pregnant or breastfeeding women, children, and people with certain medical conditions should consult their GP before starting a restrictive meal plan. If you have diabetes or take medications, discuss any new diet with your healthcare provider first.
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.