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
How Meal Prep Delivery Can Support Weight Loss
Meal prep delivery services are becoming increasingly popular across the UK as a practical way to support weight management and healthy eating. These services provide pre-prepared, portion-controlled meals delivered to your home, removing the need to plan, shop, and cook. When combined with regular physical activity and other weight management strategiesβincluding prescription weight loss medication if prescribed by your GPβmeal prep delivery can help make sustainable weight loss more achievable. Understanding how to use these services effectively is an important part of a comprehensive approach to managing your weight.
10,000+ calculations today Β· NHS-aligned thresholds Β· 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/mΒ²).
While BMI isn't a perfect measure β it doesn't account for muscle mass, bone density, or fat distribution β 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 β 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 Meal Prep Delivery Supports Weight Loss
Meal prep delivery services support weight loss in several key ways. Portion control: Pre-portioned meals help you avoid overeating and make it easier to maintain a calorie deficit, which is essential for weight loss. The NHS recommends losing weight at a rate of 0.5 to 1 kg per week, which typically requires a calorie deficit of around 500 calories per day. Nutritional transparency: Most UK meal prep services display calorie counts and macronutrient breakdowns, helping you understand exactly what you're consuming. Reduced decision fatigue: Having meals ready eliminates daily food choices, reducing the likelihood of reaching for unhealthy options. Time saving: With busy schedules often contributing to poor food choices, pre-prepared meals save time that can be invested in physical activity instead.
- Portion sizes matched to weight loss targets
- Balanced nutrition across carbohydrates, protein, and fats
- Convenience reduces reliance on takeaways and processed foods
- Works well alongside GLP-1 weight loss medication for those prescribed it
Clinically BackedWeight Loss
No appointments. No waiting rooms. Just care β 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 β 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 β completely free.
Choosing the Right Service for Your Weight Management
When selecting a meal prep delivery service in the UK, look for providers that offer flexibility in calorie ranges (typically 1200β2000 kcal/day depending on your goals), customisation for dietary preferences, and quality ingredients. Check whether the service provides nutritional information and supports your personal preferences. Services work best when combined with your overall weight management planβwhether that includes lifestyle changes alone or alongside prescription weight loss medication prescribed by your GP. Track your progress using our free progress tracker to monitor which combinations of meal prep, activity, and other strategies work best for you. Remember that meal prep is a tool to support your efforts, not a replacement for addressing underlying eating habits.
- 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 β 5mg β 7.5mg β 10mg β 12.5mg β 15mg
- GLP-1 receptor agonist
- Up to 15β17% body weight loss (STEP trials)
- Weekly injection, 5-step dose escalation
- NHS & private prescription available
- Doses: 0.25mg β 0.5mg β 1mg β 1.7mg β 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 | 15β22.5% | 12β17% |
| Key trial | SURMOUNT-1 (2022) | STEP 1 (2021) |
| Max dose | 15 mg weekly | 2.4 mg weekly |
| Escalation period | 20β32 weeks | 16β20 weeks |
| Administration | Weekly injection (pen) | Weekly injection (pen) |
| NHS availability | Private prescription only | NHS & private |
| Approx. private cost | Β£150βΒ£250/month | Β£150βΒ£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 β 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 meal prep delivery alone cause weight loss?
Meal prep delivery is most effective as part of a comprehensive weight loss approach. It supports portion control and consistency, but weight loss ultimately depends on maintaining a calorie deficit alongside physical activity. Your GP can advise on what combination of strategies is right for you.
How much do meal prep delivery services cost in the UK?
Costs vary widely, typically ranging from Β£5 to Β£15 per meal depending on the provider and meal complexity. Budget approximately Β£50βΒ£100 per week for meal prep delivery. Some people find this cost-effective compared to frequent takeaways and food waste.
Can I use meal prep delivery with prescription weight loss medication?
Yes. Services like meal prep delivery work well alongside GLP-1 weight loss medication (such as Wegovy or Mounjaro) prescribed by your GP. The combination of portion-controlled meals and medication may support better results, though always follow your prescriber's guidance.
What if meal prep delivery doesn't match my weight loss goals?
If results plateau, discuss with your GP about adjusting calorie intake, increasing physical activity, or exploring other weight management options. Some people find that varying meal prep providers or combining meal prep with other strategies produces better outcomes.
Are meal prep delivery services suitable for everyone?
Meal prep delivery is useful for many people, but isn't essential for weight loss. Some prefer cooking their own meals or using the MyWeightCheck BMI calculator and weight loss calculator to plan meals independently. The best approach is whatever you can sustain long-term.
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.