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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Great Smoothie Recipes For Weight Loss
Smoothies can be a helpful part of weight management when made with the right ingredients. This guide shares nutritious smoothie recipes designed to support your weight loss goals, focusing on high-protein, low-sugar options that keep you fuller for longer. Combined with a reduced-calorie diet and increased physical activity, smoothies can help bridge the gap between meals and reduce overall calorie intake. Whether you're following NHS weight loss guidance or exploring prescription weight loss options, understanding how to make satisfying smoothies is a practical, everyday strategy for sustainable weight management in the UK.
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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.
High-Protein Smoothie Recipes That Support Weight Loss
Protein-rich smoothies are particularly effective for weight loss because they help maintain muscle mass, reduce hunger, and keep you satisfied between meals. A 2023 review in the American Journal of Clinical Nutrition found that higher protein intake supports sustainable weight loss outcomes.
- Greek Yoghurt & Berry Smoothie: 150g Greek yoghurt (low-fat), 100g mixed berries, 30ml unsweetened almond milk, 1 tsp honey. Approximately 150 kcal, 15g protein.
- Spinach & Protein Powder Smoothie: 25g whey protein powder, 2 handfuls spinach, 150ml unsweetened almond milk, 1/2 banana, 1 tbsp natural peanut butter. Approximately 220 kcal, 22g protein.
- Cottage Cheese & Apple Smoothie: 100g low-fat cottage cheese, 1 medium apple, 150ml skimmed milk, pinch cinnamon. Approximately 140 kcal, 12g protein.
The NHS recommends losing weight at a rate of 0.5 to 1 kg per week for sustainable results. Smoothies support this by reducing overall calorie intake without requiring significant willpower — they're convenient, tasty, and portable.
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.
Tips for Making Weight-Loss-Friendly Smoothies
The key to weight-loss smoothies is portion control and ingredient selection. Avoid adding sugary yoghurts, syrups, or multiple fruits — instead, focus on protein, healthy fats (from nuts or seeds), and non-starchy vegetables.
- Use unsweetened almond milk or oat milk instead of cow's milk to reduce calories
- Add a handful of leafy greens (spinach or kale) for nutrients without significant calorie increase
- Include one source of protein (Greek yoghurt, cottage cheese, or protein powder) in every smoothie
- Limit fruit to one piece to reduce natural sugar content
- Add 1 tbsp healthy fat (nut butter, seeds, or avocado) for satiety
- Track smoothies using our free BMI calculator and progress tracker to monitor your weight management journey
- 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 weight-loss smoothie contain?
For weight loss support, smoothies should ideally contain 150–250 kcal depending on your overall daily calorie target. The NHS recommends a daily deficit of approximately 500 kcal (achieved through diet and exercise) to lose around 0.5 kg per week. Smoothies work best as meal replacements or snacks, not additions to your regular diet.
Can I use frozen fruit in weight-loss smoothies?
Yes, frozen fruit is excellent for weight-loss smoothies and often contains fewer added sugars than fresh. However, stick to one portion (approximately 80g) and pair with protein and healthy fat for balanced satiety. Frozen berries, mango, and banana are popular choices.
Are smoothies suitable if I'm taking prescription weight loss medication?
Smoothies can absolutely be part of weight management alongside prescription options like GLP-1 weight loss injections. However, some people find that slowing down food intake (eating rather than drinking) promotes better fullness signals. Try our GLP-1 weight loss calculator to explore prescription options, and always discuss dietary changes with your GP or prescriber.
What's the difference between weight loss smoothies and regular smoothies?
Weight-loss smoothies are higher in protein, lower in sugar, and smaller in portion size than regular smoothies. Regular smoothies often contain multiple fruits, sugary yoghurts, or added syrups — creating smoothies that can exceed 400–500 kcal and spike blood sugar. Weight-loss versions prioritise satiety over indulgence.
Can smoothies help with weight management alongside exercise?
Yes. High-protein smoothies, combined with a reduced-calorie diet and physical activity, support sustainable weight loss through maintaining muscle mass and reducing overall calorie intake. Use our free progress tracker to monitor your weight alongside smoothie consumption and exercise.
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.