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
Good Smoothie Recipes for Weight Loss
Smoothies can be a useful part of a weight loss plan when made with the right ingredients — but they work best alongside a calorie deficit and increased physical activity. In the UK, weight management uk approaches combine dietary changes with medical support where appropriate. This guide covers smoothie recipes that support your goals, plus information on NHS weight loss options and prescription medication available to eligible adults, including GLP-1 weight loss injections.
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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.
Smoothies and Weight Loss — How They Help
A well-made smoothie can support weight management by providing nutrient-dense calories that keep you fuller for longer. The key is balancing protein, fibre, and healthy fats while avoiding hidden sugars.
- Protein smoothies: Add Greek yoghurt, protein powder, or silken tofu — aim for 15–25g protein per smoothie
- High-fibre options: Include oats, chia seeds, or ground flaxseed — fibre slows digestion and supports satiety
- Calorie awareness: A weight loss smoothie should be 200–300 kcal, not a 600+ kcal dessert drink
- Avoid added sugars: Use frozen fruit instead of juice, skip syrups and sweetened yoghurts
Try our free BMI calculator above to check where you stand, and use our GLP-1 weight loss calculator to see how prescription medication might support your efforts if you're eligible.
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.
Weight Loss Medication and Prescription Options in the UK
If you're working towards weight loss, prescription weight loss medication nhs and private options are available to eligible adults. Mounjaro (tirzepatide), Wegovy (semaglutide), and Saxenda (liraglutide) are UK-licensed GLP-1 and GIP/GLP-1 medications that work alongside diet and exercise — not as replacements. These medications may help reduce appetite and support feeling fuller after smaller meals.
To find out if you're eligible, speak with your GP about weight loss medication nhs pathways, or explore private prescribing options following an online clinical assessment. Eligibility typically requires a BMI of 30 or above, or 27+ with weight-related health conditions like type 2 diabetes or high blood pressure. Use our weight converter to check your weight status, and our progress tracker to log your weight loss journey alongside any treatment plan.
Getting Started — Next Steps for Weight ManagementCombine smoothies with a sustainable approach: A balanced diet, regular physical activity, and consistent tracking are the foundations of lose weight uk success. Whether you choose to manage weight through diet and exercise alone or with prescription support, consistency matters more than perfection.
Talk to your GP about your weight management goals. They can assess whether prescription medication is appropriate for you and refer you to NHS weight loss services if needed. If you're eligible for GLP-1 weight loss injections, your prescriber will guide you on how to use them effectively alongside your smoothie plan and lifestyle changes. Start tracking your progress today — our free progress tracker helps you log weight, measurements, and how you feel over time.
- 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.
Can smoothies alone help me lose weight?
Smoothies can support weight loss as part of a calorie-deficit diet, but they're not a solution on their own. Weight loss requires consistent dietary changes, physical activity, and sustainable habits. Prescription weight loss medication can help if you're eligible, but always works alongside lifestyle changes.
What's the best smoothie recipe for weight loss?
The best smoothie combines protein (Greek yoghurt, tofu, or protein powder), fibre (oats, chia seeds), and low-sugar fruit (berries, banana). Keep it to 200–300 kcal and avoid juice, syrups, or sweetened yoghurts. Aim for 15–25g of protein per smoothie.
Are weight loss injections available on the NHS in the UK?
Yes. Mounjaro, Wegovy, and Saxenda are NHS-approved for eligible adults, but access varies by region and usually requires referral to specialist tier 3 weight management services. Private prescribing is also available. Your GP can advise on both options.
How do prescription weight loss medications work with diet?
Medications like Mounjaro and Wegovy are designed to be used alongside a reduced-calorie diet and increased physical activity — not instead of them. They may help reduce appetite and support feeling fuller, but they work best when combined with consistent lifestyle changes.
What's my healthy weight range for my height?
Use our free BMI calculator above to find your healthy weight range based on your height. Your GP or a healthcare professional can also discuss what's healthy for you specifically, as it depends on muscle mass, frame size, and overall health.
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.