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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Rowing and weight loss: a complete UK guide
Rowing is one of the most effective exercises for weight loss, burning significant calories whilst building lean muscle across your entire body. Whether you're rowing at a gym, on the water, or using a home machine, this low-impact aerobic activity can support sustainable weight management when combined with a reduced-calorie diet. This guide covers how rowing supports weight loss, realistic expectations, and UK prescription options available alongside exercise for eligible adults seeking additional support.
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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.
How rowing supports weight loss and UK prescription options
Rowing burns approximately 250–900 calories per hour depending on intensity, body weight, and fitness level — making it highly effective for creating the calorie deficit needed for sustainable weight loss. Unlike running, rowing is low-impact, protecting joints whilst engaging roughly 85% of your body's muscles: legs, core, back, and arms. This means you build lean muscle mass whilst losing fat, which helps support long-term weight management.
For adults in the UK with a BMI of 30 or above, or 27 or above with weight-related health conditions like type 2 diabetes or high blood pressure, prescription weight management options are available. These include GLP-1 medications such as Mounjaro (tirzepatide) and Wegovy (semaglutide), which are designed to work alongside exercise and dietary changes, not replace them. Clinical trials show these medications may help support additional weight loss when combined with physical activity like rowing and reduced calorie intake.
- Rowing burns more calories per hour than many land-based exercises
- Low-impact nature means sustainable long-term participation
- Builds lean muscle, which supports metabolic rate
- Prescription weight loss medication can complement exercise efforts
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.
NHS access and private prescription weight loss in the UK
In the UK, prescription weight management options are available through two main routes. The NHS provides access via specialist tier 3/4 weight management services following GP referral — though availability and waiting times vary significantly by region. Alternatively, private online prescribing through GPhC-registered pharmacies offers faster access following an online clinical assessment without requiring NHS referral.
Before starting any medication, use our free BMI calculator to check your personal BMI and understand whether you may be eligible. Your GP can advise on NHS options, or you can access private prescriptions if you meet clinical criteria. Weight loss is most effective when combining medication (if eligible), exercise like rowing, and sustainable dietary changes — not one approach alone.
- 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.
How many calories does rowing burn per hour?
Rowing burns approximately 250–900 calories per hour depending on your body weight, intensity, and fitness level. A 70kg person rowing at moderate intensity typically burns 400–500 calories per hour, making it one of the most calorie-efficient exercises available.
Is rowing suitable for weight loss beginners?
Yes, rowing is excellent for beginners because it is low-impact and has a smooth, controlled motion that is gentler on joints than running. Start at moderate intensity and gradually increase duration and intensity as your fitness improves.
Can I use prescription weight loss medication whilst rowing?
Yes. If you're eligible for prescription weight loss medication like Mounjaro or Wegovy, these are designed to work alongside exercise and dietary changes, not replace them. Always inform your prescriber about your exercise routine.
What BMI qualifies me for UK prescription weight loss treatment?
Adults with a BMI of 30 or above, or 27 or above with weight-related health conditions (diabetes, high blood pressure, etc.), may be eligible for prescription weight loss treatment in the UK. Use our free BMI calculator to check your personal BMI instantly.
How much weight can I realistically lose with rowing?
Weight loss depends on calorie deficit, diet, and consistency. Rowing alone with a 500 kcal/day deficit typically supports loss of 0.5–1 kg per week. Combined with prescription medication (if eligible) and dietary changes, results may be greater — though individual outcomes vary.
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.