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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Do Juicing Recipes Really Help with Weight Loss and Detox?
Juicing has become popular as a weight loss and detox strategy, but the science is more nuanced than many claims suggest. Whilst fresh fruit and vegetable juices can be part of a healthy diet, relying on juicing alone for weight loss isn't supported by evidence. The NHS recommends a balanced approach to weight management that includes whole foods, regular physical activity, and sustainable lifestyle changes. This guide explains how juicing fits into a realistic weight loss plan, backed by UK health guidance and practical advice for anyone looking to manage their weight effectively.
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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 Juicing Works for Weight Loss (and Its Limitations)
Juicing can support weight loss as part of a calorie-controlled diet, but it has significant limitations. Fresh juices are nutrient-dense but lack the fibre found in whole fruits and vegetables, which is essential for satiety, digestive health, and blood sugar control. A typical glass of juice can contain 100–200 calories from natural sugars—equivalent to eating several whole fruits but without the fullness benefit. The NHS recommends a balanced approach to weight loss that includes whole foods alongside any juicing. One study showed that whole fruit consumption supports weight management better than juice because the fibre slows sugar absorption. For sustainable weight loss in the UK, the NHS advises a calorie deficit of around 500 kcal per day, which typically results in approximately 0.5 kg per week loss. Juicing can help create this deficit if it replaces higher-calorie foods, but it works best when combined with physical activity and other dietary changes—not as a standalone strategy.
- Fresh juice retains vitamins and minerals but removes fibre
- Whole fruits and vegetables are more satiating than their juiced equivalent
- Natural sugars in juice can spike blood sugar if consumed rapidly
- Juice diets often lack sufficient protein for muscle maintenance during weight loss
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.
Practical Juicing Recipes and Sustainable Weight Loss Context
If you choose to include juicing in your weight management plan, prioritise vegetable-based juices with moderate fruit content. A balanced recipe might include: leafy greens (spinach or kale), cucumber, celery, one apple for sweetness, fresh ginger, and lemon. These are lower in calories (80–120 per glass) and higher in fibre-retaining nutrients than fruit-heavy juices. Green juices can be part of a healthy diet, but they shouldn't replace meals. For sustainable weight management in the UK, combine juicing with whole meals, adequate protein intake, and regular physical activity. If you're considering prescription weight loss support—such as GLP-1 weight loss medication—juicing alone is not sufficient; evidence-based approaches work best. Use our free BMI calculator above to assess your current health status, and speak with your GP about realistic weight loss goals and whether prescription support is appropriate 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.
Is juicing good for detoxing the body?
Your liver and kidneys naturally detoxify your body continuously. There's no scientific evidence that juicing "detoxes" beyond what your body already does. Fresh juices can support nutrition and hydration as part of a balanced diet, but marketing claims about detox properties are not backed by NHS or clinical evidence. Focus on whole foods, water, and lifestyle rather than relying on juicing for detoxification.
How much weight can you lose with a juice diet?
Weight loss depends on your calorie intake and overall lifestyle. A juice diet may support short-term weight loss if it creates a calorie deficit, but rapid loss from juice-only approaches often returns when normal eating resumes. The NHS recommends losing 0.5–1 kg per week for sustainable results. Consult your GP to discuss realistic weight loss targets and appropriate support, including whether prescription medication is suitable.
Can juicing replace meals for weight loss?
No—juicing should not replace meals. Juice lacks protein, healthy fats, and fibre needed for muscle maintenance, satiety, and overall health during weight loss. The NHS recommends balanced meals including whole grains, protein, vegetables, and healthy fats. Juicing can supplement a healthy diet, but sustainable weight loss requires adequate nutrition and physical activity.
What's the difference between detox juicing and regular healthy juicing?
"Detox" juicing is a marketing term without scientific backing. Regular, nutrient-rich juicing using vegetables and modest fruit can support your diet, but there's no special detoxifying process. Vegetable-heavy juices (with cucumber, celery, greens, and lemon) are more nutritious than fruit-heavy options. The key is viewing juicing as one component of a balanced diet, not a standalone solution.
How does juicing fit with NHS weight loss advice?
The NHS recommends a calorie deficit of around 500 kcal daily for sustainable weight loss. Juicing can contribute to this if it replaces higher-calorie foods, but whole fruits and vegetables are preferred because they retain fibre. For many people, prescription weight loss support combined with dietary changes may be more effective. Use our free GLP-1 weight loss calculator to explore whether medication support might suit your situation.
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.