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
Is Fruit Good For Weight Loss?
Yes, fruit can be part of a healthy weight loss plan when eaten mindfully. Fruit is nutrient-dense, high in fibre, and supports feeling fuller for longer — all beneficial for weight management in the UK. However, portion size and overall calorie intake still matter. The NHS recommends eating fruit as part of a balanced diet, and many people successfully lose weight whilst including fruit daily. Understanding how fruit fits into your calorie needs is key to sustainable weight loss.
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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.
How Fruit Supports Weight Management
Fruit offers several benefits for weight loss when incorporated thoughtfully into your eating plan:
- High in fibre: Fibre slows digestion and helps you feel fuller longer, reducing overall calorie intake
- Low energy density: Most fruits are mostly water and fibre, so you can eat a satisfying portion for fewer calories than processed snacks
- Nutrient-rich: Fruit provides vitamins, minerals, and antioxidants essential for health during weight loss
- Natural sugars: Whole fruit contains natural sugars alongside fibre, which blunts blood sugar spikes compared to sugary snacks
The key is eating whole fruit rather than fruit juice or dried fruit, which concentrate sugars and calories whilst losing fibre. A medium apple (around 95 calories) or a banana (around 105 calories) fits easily into a reduced-calorie diet. The NHS recommends eating a variety of fruits as part of your five-a-day, and research shows this approach supports sustainable weight loss UK-wide when combined with overall calorie awareness.
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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.
Fruit and Weight Loss — Practical Tips
To get the most from fruit during weight management:
- Eat whole fruit: Choose fresh or frozen whole fruit over juice, smoothies, or dried varieties
- Watch portions: One medium fruit or a small handful of berries counts as one portion — enjoy this amount regularly
- Pair with protein: Combine fruit with protein (yoghurt, nuts, cheese) to slow digestion and increase satiety
- Track within your calorie goal: Use our free BMI calculator and weight converter to understand your healthy weight range, then eat fruit within your daily calorie target
- Timing matters: Eat fruit as a snack between meals or with meals — not as a substitute for balanced nutrition
Fruit is not fattening when eaten mindfully. Many people who achieve sustainable weight loss include fruit daily. If you're following prescription weight loss medication such as GLP-1 treatment, fruit remains beneficial — smaller portions may feel more satisfying due to how these medications work.
- 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 you eat fruit and still lose weight?
Yes, absolutely. Fruit is high in fibre, low in calories, and nutrient-dense — all supportive of weight loss. A medium apple (95 calories) or berries (around 50 calories per small handful) fit easily into a reduced-calorie diet. The key is eating whole fruit and being aware of portion sizes within your overall calorie intake. The NHS recommends fruit as part of healthy eating during weight management.
Which fruits are best for weight loss?
Berries (blueberries, raspberries, strawberries) are excellent — low in calories, high in fibre, packed with antioxidants. Apples, pears, and oranges are also great choices. Bananas are slightly higher in calories (around 105 per medium banana) but still supportive of weight loss due to their fibre and satiety. Avoid dried fruit and fruit juice, which concentrate sugars and calories whilst losing beneficial fibre.
Is fruit bad for weight loss because of sugar?
No. Whole fruit contains natural sugars alongside fibre, which slows digestion and prevents blood sugar spikes. This is very different from sugary snacks or fruit juice. Fibre is the key — it fills you up, slows energy absorption, and supports healthy weight loss. The NHS includes fruit as a healthy carbohydrate choice for people managing their weight.
How much fruit should I eat when losing weight?
The NHS recommends including fruit as part of your five-a-day. For weight loss, one to three portions daily is typical, depending on your calorie target. One portion equals one medium fruit or a small handful of berries. If you're following prescription weight loss medication like GLP-1 treatment, smaller portions may feel more satisfying. Track your overall calorie intake using our free weight converter and BMI calculator to ensure fruit fits your plan.
Does fruit fit with weight loss injections like Mounjaro or Wegovy?
Yes. Fruit remains a healthy choice alongside prescription weight loss medication. GLP-1 medications (such as Wegovy) work by regulating appetite and fullness signals, making smaller portions naturally more satisfying. Whole fruit's high fibre content pairs well with how these medications function. Always discuss your diet with your prescriber or GP to ensure your food choices support your weight management plan. Use our free GLP-1 weight loss calculator to understand projected weight loss with medication.
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.