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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Does Cucumber Help In Weight Loss?
Cucumbers are low in calories and high in water content, which can support weight management when part of a balanced approach. However, no single food causes weight loss on its own — sustainable weight loss requires a calorie deficit and consistent lifestyle changes. Here's what the evidence actually shows about cucumbers and weight loss, and how they fit into a broader weight management UK strategy.
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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.
Nutritional Value and Calorie Content
A medium cucumber (around 150g) contains approximately 24 calories, making it extremely low in calorie density. Cucumbers are approximately 96% water, which is why they provide very few calories but significant volume — this can help you feel fuller after eating.
- One medium cucumber: ~24 calories, 4g carbs, 0.7g protein, 0.4g fat
- High water content supports hydration and satiety
- Small amounts of fibre (0.6g per medium cucumber) aids digestion
- Contain negligible amounts of vitamins K, C, and potassium
Compared to high-calorie snacks, cucumbers are genuinely lower in calories — but this alone does not create weight loss. You still need an overall calorie deficit. The NHS recommends losing weight at a rate of 0.5 to 1 kg per week for sustainable results, which requires a calorie deficit of approximately 500 kcal per day.
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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.
How Cucumbers Can Support Weight Loss Efforts
Cucumbers can support weight loss as part of a broader strategy, not as a standalone solution. Their high water content and low calorie density mean they can be eaten in larger portions without significantly impacting your daily calorie intake. This makes them useful for adding volume to meals and snacks, helping you feel satisfied without excess calories.
However, relying on cucumbers alone will not result in weight loss. Sustainable weight management requires consistent dietary changes, increased physical activity, and often behavioural support. For some adults, prescription weight loss medication like GLP-1 injections may be recommended by their GP alongside lifestyle changes. Use our free BMI calculator to check your starting point, and our GLP-1 weight loss calculator to explore what medication support might look like for you.
- 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 eating cucumber alone help me lose weight?
No. Eating cucumber alone will not cause weight loss — you need an overall calorie deficit. Cucumbers are very low in calories (24 per medium cucumber) and can help you feel fuller, but they should be part of a balanced diet with consistent calorie reduction and physical activity.
How many calories does a cucumber have?
A medium cucumber (approximately 150g) contains about 24 calories. They are 96% water and very low in fat and protein, making them ideal for adding volume to meals without significant calorie impact. This helps support portion control.
What does the NHS recommend for weight loss?
The NHS recommends losing weight at a rate of 0.5 to 1 kg per week for sustainable results. This typically requires a calorie deficit of around 500 kcal per day. Weight loss is achieved through a combination of dietary changes, physical activity, and behaviour change — not single foods.
Are cucumbers better than other vegetables for weight loss?
Cucumbers are among the lowest-calorie vegetables, but many vegetables support weight loss equally well — lettuce, spinach, broccoli, peppers, and courgettes are all low in calories and high in nutrients. Choose vegetables you enjoy; consistency matters more than the specific choice.
Can GLP-1 weight loss medication help alongside healthy eating?
Yes. GLP-1 medications like Wegovy may help reduce appetite and support weight loss when prescribed by your GP or a licensed prescriber, alongside dietary changes and physical activity. Evidence from clinical trials shows that GLP-1 medication can help achieve meaningful weight loss, though individual results vary. Eligibility depends on your BMI and health profile.
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.