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
What Is a Weight Loss Camp and How Can It Help?
A weight loss camp is an intensive, structured programme designed to help you lose weight through supervised exercise, nutrition education, and behaviour change support. These residential or online-based programmes range from a few days to several weeks, offering daily guidance from nutritionists, fitness instructors, and health professionals. In the UK, weight loss camps vary significantly in approach, cost, and evidence base — some are commercial wellness retreats, while others are clinical interventions run within NHS weight management services. Understanding your options can help you choose an approach that fits your circumstances and health goals.
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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.
Types of Weight Loss Camps Available in the UK
Weight loss camps in the UK fall into several categories. Residential wellness retreats are typically private, fee-paying programmes offering intensive exercise and nutrition coaching in a dedicated facility — usually lasting 1–4 weeks. Online weight loss programmes provide structured support via video coaching, meal planning, and community forums, without requiring residential attendance. NHS tier 3 specialist services include group-based weight management interventions delivered through the NHS, often combining behaviour change support with medical supervision — though these vary significantly by region and availability. Hybrid programmes combine initial residential weeks with ongoing online support. The most effective approach depends on your BMI weight loss goals, lifestyle, budget, and whether you have weight-related health conditions qualifying you for NHS support. Use our free BMI calculator to determine your current category — this can help guide which programme type may be most appropriate for you.
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.
What to Consider When Choosing a Weight Loss Camp
When evaluating a weight loss camp, consider evidence of long-term success, qualifications of staff, cost, location, and whether the programme includes post-camp support — most people regain weight without ongoing guidance. NHS weight loss programmes are free at the point of use but may have waiting lists; private retreats cost between £2,000 and £15,000+ depending on duration and facilities. Check whether the camp addresses underlying behaviours and nutrition habits, or simply restricts calories short-term. Look for programmes that combine exercise, dietary education, and psychological support — research shows this combination yields better sustained results than exercise or diet alone. Some modern programmes now integrate prescription weight loss medication like GLP-1 injections alongside lifestyle coaching, offering a more comprehensive approach. Ask for references, success rates, and what happens after the camp ends. Try our weight converter to track progress in your preferred units (stone, kg, or lbs) throughout the programme.
- 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 weight loss camps effective long-term?
Residential camps can jumpstart weight loss and build healthy habits, but long-term success depends on sustained behaviour change after the programme ends. Studies show camps produce initial weight loss of 0.5–2 kg per week, but without ongoing support, 30–50% of weight is typically regained within 1–2 years. Programmes that include follow-up coaching, community support, or prescription medication show better retention. Success is highly individual.
How much does a UK weight loss camp cost?
NHS programmes are free through the NHS, though waiting lists can be lengthy. Private residential camps typically cost £2,000–£8,000 per week, with 2–4 week programmes totalling £4,000–£20,000+. Online programmes are usually £500–£3,000 for several weeks. Budget should include post-camp support to maximise lasting results.
Can I combine a weight loss camp with prescription weight loss treatment?
Yes. Some private weight loss camps now integrate GLP-1 medications (like those used for nhs weight loss management) into their programmes. Prescription weight loss medication is only available through a licensed prescriber following a clinical assessment. Combining medication with intensive lifestyle support during a camp may enhance results, but individual eligibility varies.
What's the difference between a weight loss camp and an NHS weight management programme?
NHS weight management programmes (tier 3 services) are free, medically supervised, and designed for people with a BMI of 30+ or 27+ with weight-related health conditions. They focus on behaviour change, not just calorie restriction. Private camps are typically commercial, residential, and may focus more on intensive exercise. NHS programmes usually include GP coordination; private camps do not.
Will I keep the weight off after a weight loss camp?
Maintaining weight loss requires ongoing behaviour change — diet, exercise, and often psychological support. Camps that teach sustainable habits and provide post-programme coaching show better long-term results than those offering intensive short-term intervention only. Using our free progress tracker to monitor weight after the camp can help maintain accountability and identify early regain before it becomes significant.
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.