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
Pilates for Weight Loss: Exercise and Medication Options in the UK
Pilates is an effective low-impact exercise that can support weight loss when combined with a calorie deficit and healthy eating habits. However, many people wonder whether exercise alone is enough or if prescription weight management medication might help. This guide explores how pilates fits into a weight loss strategy, and discusses UK-licensed medication options available for eligible adults seeking additional support alongside lifestyle changes.
10,000+ calculations today · NHS-aligned thresholds · 100% free
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 Pilates Supports Weight Loss and Fitness
Pilates builds lean muscle, improves core strength, and increases overall body awareness—all valuable for sustainable weight management. A typical 50-minute pilates session burns approximately 200–300 calories depending on intensity and body weight, which contributes to the calorie deficit needed for weight loss. More importantly, pilates strengthens muscle, and muscle tissue burns more calories at rest than fat tissue, supporting long-term metabolism.
- Low-impact nature makes it sustainable for regular practice
- Improves posture and reduces injury risk compared to high-impact exercise
- Complements other activities like walking or swimming effectively
- Builds confidence and body awareness during weight loss journeys
However, the NHS emphasises that sustainable weight loss requires both exercise and dietary change—typically a calorie deficit of around 500 kcal per day supports a loss of approximately 0.5 kg per week. For eligible adults seeking additional support alongside pilates and dietary improvements, prescription weight management medication is available in the UK.
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.
UK Prescription Weight Management Options
Three prescription-only weight management injections are licensed in the UK for eligible adults: Mounjaro (tirzepatide), Wegovy (semaglutide), and Saxenda (liraglutide). These GLP-1 and GIP/GLP-1 medications work alongside lifestyle changes like pilates to help regulate appetite and support fuller feelings after meals. Clinical trials showed Mounjaro helped participants lose an average of 15–21% of body weight, while Wegovy showed approximately 15% average weight loss—though individual results vary significantly.
- Available through NHS specialist weight management services or private prescribing
- Require clinical assessment to confirm eligibility
- Designed to complement, not replace, exercise and healthy eating
Eligibility includes adults with BMI 30 or above, or BMI 27–29.9 with weight-related health conditions. Your GP can advise whether you qualify and discuss options for accessing treatment in your area.
If you're wondering whether prescription weight management is right for you, calculate your BMI using our free BMI calculator above to see where you fall on NHS guidelines. For a projected view of how medication might support your goals, our GLP-1 weight loss calculator can help estimate potential outcomes at different doses. Many people find that combining structured exercise like pilates with medication support provides the best long-term results. Start by speaking with your GP, who can assess your individual health, discuss whether prescription options are appropriate, and explain NHS vs. private access in your area. Even modest weight loss of 5–10% can significantly improve blood pressure, joint health, and energy levels.
- 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 pilates alone help me lose weight?
Pilates supports weight loss by building muscle and burning calories, but weight loss requires a calorie deficit achieved through both exercise and healthy eating. The NHS recommends losing 0.5–1 kg per week, which typically requires a 500 kcal daily deficit. Pilates is excellent for building sustainable fitness habits but works best alongside dietary changes.
What prescription weight loss options are available on the NHS in the UK?
Mounjaro, Wegovy, and Saxenda are licensed for weight management on the NHS through specialist tier 3 weight management services. Access varies by region and waiting times can be significant. Your GP can refer you to your local specialist service, where a clinical team will assess eligibility and suitability.
What's the difference between Mounjaro and Wegovy?
Both are once-weekly injections for UK weight management. Mounjaro (tirzepatide) is a dual GIP/GLP-1 agonist with a maximum dose of 15 mg, while Wegovy (semaglutide) is a GLP-1 agonist with a maximum dose of 2.4 mg. Clinical trials showed Mounjaro may support slightly higher average weight loss, but individual results vary. Your prescriber will recommend the most suitable option.
How quickly can I expect to lose weight with prescription medication?
Weight loss with GLP-1 medications typically becomes apparent within 4–8 weeks, with most significant losses in months 3–6. Average weight loss varies widely—clinical trials showed 15–clinically studied weight loss over 68–72 weeks alongside reduced-calorie diet and increased physical activity. Individual results depend on adherence, dose, and personal metabolism.
Do I need to stop pilates if I start weight loss medication?
No—prescription weight loss medication is designed to complement, not replace, exercise and healthy eating. Many people find pilates and other regular activity work synergistically with medication to improve results. Always discuss your exercise routine with your prescriber, especially if you have any underlying health conditions.
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.