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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Are Baked Potatoes Good For Weight Loss?
Baked potatoes can support weight loss when prepared without high-calorie toppings and eaten as part of a calorie deficit. A medium baked potato (around 170g) contains approximately 130–160 calories and is rich in resistant starch, which may promote feelings of fullness. The key to weight management UK success with potatoes is portion control and preparation method. Our free BMI calculator can help you track where you stand, whilst our GLP-1 weight loss calculator shows projected results if you're considering prescription weight loss options alongside dietary changes.
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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.
Why Baked Potatoes May Support Weight Loss
Baked potatoes have several properties that may help with weight loss efforts:
- High satiety index — potatoes rank highly on the satiety index, meaning they help you feel fuller for longer, potentially reducing overall calorie intake
- Resistant starch — when cooled, baked potatoes develop resistant starch, which acts similarly to fibre and may support weight management
- Low calorie density — a medium baked potato (with skin) contains around 130–160 calories, making it less energy-dense than many processed alternatives
- Nutrient-rich — baked potatoes provide vitamin C, potassium, B vitamins, and manganese, supporting overall health during weight loss
However, toppings are critical. A baked potato topped with butter, sour cream, cheese, or bacon can easily exceed 400–500 calories, negating the weight loss benefits. For NHS weight loss guidance, the NHS recommends a 500 kcal daily deficit for gradual, sustainable loss of approximately 0.5 kg per week.
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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 to Make Baked Potatoes Part of Weight Loss
To use baked potatoes effectively in a weight loss plan, choose healthy toppings: try plain Greek yoghurt instead of sour cream, add grilled vegetables, lean protein like chicken breast, or simply season with herbs and black pepper. Portion size matters — a medium baked potato (150–200g) is ideal for most adults, paired with vegetables and a lean protein source.
If you're considering prescription weight loss medication like GLP-1 injections available through NHS services or private prescription weight loss UK options, baked potatoes can remain part of your diet. These medications are designed to work alongside dietary changes, not replace them. Our weight loss calculator can help estimate potential outcomes if you're exploring medication-supported weight management.
- 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 are in a baked potato?
A medium baked potato (170g with skin) contains approximately 130–160 calories. Without butter or toppings, it's a relatively low-calorie food. Adding typical toppings like sour cream or cheese increases this to 300–500+ calories, which is why preparation method matters for weight loss.
Can I eat baked potatoes on a calorie deficit diet?
Yes, absolutely. Baked potatoes fit well into calorie deficit diets because they're filling and relatively low in calories if eaten plain or with healthy toppings. The NHS recommends a 500 kcal daily deficit for sustainable weight loss of about 0.5 kg per week — a plain baked potato can be part of this approach.
Are potatoes bad for weight loss?
Potatoes themselves aren't bad for weight loss — they're nutrient-dense and satiating. The issue is how they're prepared and what's added. Baked or boiled potatoes are far better for weight loss than chips or potato salad with mayonnaise. Context and portion size are key.
What's the difference between resistant starch and regular starch?
Regular starch is quickly digested and provides energy. Resistant starch (formed when potatoes cool after cooking) resists digestion and acts more like fibre, feeding beneficial gut bacteria and promoting satiety. This may support weight management when you cool baked potatoes before eating.
Should I consider weight loss injections if dieting isn't working?
If you've tried dietary changes without success, prescription weight loss medication may be an option. GLP-1 injections like Wegovy are available through NHS weight loss medication pathways or private prescription in the UK, following clinical assessment. These work alongside healthy eating, not instead of it. Consult your GP about suitability 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.