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
Is Kumara Good For Weight Loss?
Kumara (sweet potato) can be part of a healthy weight loss diet, but it won't directly cause weight loss on its own. Like all foods, kumara affects weight management through calorie content and how it fits into your overall diet. With approximately 86 calories per 100g and a decent fibre content, kumara is more nutritious than regular white potatoes. However, sustainable weight loss requires a calorie deficit, increased physical activity, and consistent lifestyle changes. For many people in the UK, combining dietary improvements like eating more kumara with structured support can be effective—whether through NHS weight management programmes or prescription weight loss medication alongside lifestyle changes.
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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.
Kumara's Nutritional Profile for Weight Management
Kumara is nutrient-dense compared to regular potatoes, containing beta-carotene, potassium, and fibre. A medium kumara (around 100g) contains approximately 86 calories, 20g carbohydrate, and 3g fibre. The fibre content helps you feel fuller for longer, which supports appetite control during weight management. However, kumara is still a carbohydrate-based food—portion control matters. If you're eating kumara as part of a larger meal (especially with added butter, oil, or sweet toppings), the total calorie intake can quickly increase. Roasted or baked kumara is lower in calories than fried versions. The key to using kumara effectively for weight loss is including it as part of a calorie-controlled diet, not expecting it to work independently. Research shows that including whole foods with good fibre content—like kumara—alongside protein and healthy fats, supports satiety and can reduce overall calorie intake naturally.
Clinically BackedWeight Loss
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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.
Weight Loss in the UK — Evidence-Based Approaches
The NHS recommends losing weight at a rate of 0.5 to 1 kg per week for sustainable results. This typically requires a calorie deficit of around 500 kcal per day through diet and exercise combined. For people with a BMI of 30 or above, or a BMI of 27–29.9 with weight-related health conditions, additional support is available through NHS weight loss programmes or prescription medications. Foods like kumara are valuable components of a healthy diet, but they work best alongside consistent calorie reduction and increased physical activity. Our free BMI calculator above can help you understand your current weight status and healthy target range. For those exploring all available options, including prescription weight loss medication through weight loss injections, a GP or specialist can assess suitability following clinical assessment.
- 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 I eat kumara every day while losing weight?
Yes, kumara can be eaten daily as part of a balanced diet, provided portions are controlled and fit within your daily calorie target. A medium kumara (approximately 100g) contains around 86 calories. Pair it with lean protein and vegetables to maximise satiety. The fibre content supports digestive health, making it a sensible choice for regular consumption during weight loss.
Is kumara better than regular white potato for weight loss?
Kumara is slightly more nutritious than white potato—it contains more fibre, beta-carotene, and micronutrients. Both are similar in calories when cooked plain (around 77 calories per 100g for white potato vs 86 for kumara). The advantage of kumara is the additional nutrients and slightly higher fibre, which may support fullness. However, portion control and preparation method matter more than which type you choose.
What's the best way to prepare kumara for weight loss?
Bake, roast, or boil kumara to keep calories low. Avoid deep-frying or adding butter, cream, or sugary toppings like brown sugar or marshmallow. A plain roasted kumara with a sprinkle of herbs provides maximum nutrition with minimal calories. Pair with lean protein and leafy vegetables for a balanced meal that supports satiety and sustainable weight loss.
Will eating kumara alone help me lose weight?
No. Kumara alone won't cause weight loss. Weight loss requires a calorie deficit across your entire diet plus physical activity. Kumara is a useful tool—its fibre and nutrients support fullness—but it must be part of an overall calorie-controlled eating plan. Combined with NHS weight loss support or structured dietary changes, kumara contributes meaningfully to healthy weight management.
Should I use our BMI calculator to check my weight status?
Yes. Our free BMI calculator above helps you understand whether your current weight falls into a healthy range according to NHS guidelines. For UK adults, a healthy BMI is 18.5–24.9. If your BMI is 30 or above, or 27–29.9 with weight-related health conditions, you may be eligible for additional support including prescription weight loss medication through NHS services or private options.
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.