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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Juicing Ideas for Weight Loss
Fresh juices can be part of a weight management strategy, but they work best when combined with a balanced diet and increased physical activity. While whole fruits and vegetables are often better for weight loss than their juiced versions—because they contain more fibre and keep you fuller longer—home-made vegetable and low-sugar fruit juices can support your overall approach to losing weight. This guide explores practical juicing ideas and how they fit into effective UK weight loss strategies.
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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.
Best Juicing Ideas for Weight Loss
Vegetable-based juices are typically lower in natural sugars than fruit juices and can support a reduced-calorie diet. Try combinations like carrot, celery, and ginger for a nutrient-dense, low-calorie option. Green juices using spinach, kale, cucumber, and lemon provide vitamins and minerals with minimal calorie impact. You can also add a small amount of apple or pear for natural sweetness without overdoing sugar content.
- Cucumber and mint juice — hydrating, under 50 calories per serving
- Beetroot, carrot, and orange — nutrient-rich but use sparingly due to natural sugars
- Celery, ginger, and lemon — supports digestion and very low calorie
- Spinach, apple, ginger, and lime — balanced nutrition and natural sweetness
Important reminder: juices are not meals. A glass of juice contains concentrated sugars and lacks the fibre of whole fruit, so it won't keep you satisfied as long as eating the fruit whole. Use our free BMI calculator to track your health metrics as part of your weight management journey.
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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 Juicing Fits Into Weight Loss
Juicing works best as a supplement to a broader weight management strategy, not as a replacement for whole foods or meals. The NHS recommends losing weight through a combination of balanced eating, physical activity, and lifestyle changes. A calorie deficit of around 500 calories per day typically results in sustainable weight loss of approximately 0.5 kg per week.
If you're exploring prescription weight loss options alongside diet changes, our GLP-1 weight loss calculator can help you understand potential outcomes with medical support. Remember that any sustainable weight loss approach requires consistency over time—juicing alone won't create the calorie deficit needed, but combined with whole foods and increased movement, it can support your overall goal.
- 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.
Are juices good for weight loss?
Fresh vegetable juices can support weight loss when part of a calorie-controlled diet, but they're not a standalone solution. Whole fruits and vegetables are generally better because they contain fibre, which keeps you fuller longer. Use juices as a supplement, not a meal replacement, and always account for juice calories in your daily intake.
What's the best juice recipe for losing weight?
Low-sugar vegetable juices are best: try cucumber, celery, ginger, and lemon combinations. Green juices with spinach and kale are excellent. Avoid high-sugar fruit juices or smoothies with added sugars. Aim for vegetables to make up 80% of your juice and only small amounts of fruit for natural sweetness.
How much juice should I drink daily for weight loss?
A single 150–200ml serving of fresh vegetable juice per day is reasonable as part of a balanced diet. Don't use juice as a meal replacement or drink multiple large glasses—this adds excessive calories and natural sugars. Always prioritise whole fruits and vegetables over juice for better satiety and nutrition.
Can juicing replace meals during weight loss?
No. Juice lacks fibre and protein, so it won't keep you satisfied long-term. Replacing meals with juice often leads to overeating later. The NHS recommends balanced meals with vegetables, whole grains, and protein. Juices work best as a low-calorie addition to a proper meal plan, not as a substitute.
Should I consider weight loss medication alongside dietary changes?
If you have a BMI of 30 or above (or 27+ with weight-related health conditions), your GP can assess whether prescription weight loss medication might help. Medications like Mounjaro or Wegovy are prescribed alongside diet and exercise, not instead of them. Always discuss all options with your healthcare provider to find the right approach for you.
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.