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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Is Beef Steak Good for Weight Loss?
Beef steak can be part of a weight loss diet when consumed in appropriate portions and prepared without excess fat or oil. As a high-protein food, it supports satiety and muscle maintenance during weight loss. However, success depends on overall calorie intake and lifestyle. For sustainable weight management in the UK, many people combine dietary changes with prescription weight loss medication if eligible. Our free GLP-1 weight loss calculator can help you explore what medication options might mean for your weight loss goals alongside dietary 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.
Beef Steak and Weight Loss: What the Evidence Shows
Beef steak is a nutrient-dense protein source with approximately 25–30g of protein per 100g of cooked lean steak. This high protein content promotes satiety — meaning you feel fuller for longer — which can reduce overall calorie intake throughout the day. Research shows that higher protein diets support better appetite control and help preserve muscle mass during weight loss, which is important for maintaining metabolic health.
- Lean cuts matter: Sirloin, fillet, and lean rump steak contain less fat (around 5–8g per 100g) than fattier cuts like ribeye or T-bone
- Portion size: A healthy serving is typically 100–150g (3.5–5.3oz), which provides around 150–225 kcal depending on cut and cooking method
- Preparation: Grilling, baking, or pan-frying with minimal oil is healthier than deep frying or cooking in butter
Within a calorie deficit — consuming fewer calories than you expend — beef steak can be an excellent protein choice. However, weight loss ultimately depends on total calorie intake, not individual foods. Many people find that combining dietary changes with supported medical approaches delivers better results.
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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 Management Support in the UK: Prescription Options
If you're working towards weight loss in the UK, you may be eligible for prescription weight management medication alongside dietary and lifestyle changes. The UK has three main prescription-only options: Mounjaro (tirzepatide), Wegovy (semaglutide), and Saxenda (liraglutide). These medications work by regulating appetite and helping you feel fuller, making dietary changes like portion control of protein easier to sustain.
- Eligibility: Adults with a BMI of 30 or above, or BMI 27–29.9 with weight-related health conditions, may be eligible
- NHS access: Through specialist tier 3 weight management services (varies by region and availability)
- Private access: Available through online clinical assessment with a UK-licensed prescriber
Check your current BMI using our free BMI calculator above, then speak with your GP about what options may be available to you. Your GP can assess whether prescription weight loss medication is appropriate alongside your dietary choices.
- 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 beef steak every day for weight loss?
You can include beef steak regularly in a weight loss diet, but portion size and total calorie intake matter most. Eating 100–150g of lean steak daily (approximately 150–225 kcal) fits comfortably within a calorie-controlled diet. Variety is also important — rotating between different protein sources (chicken, fish, legumes) ensures you get a full range of nutrients. Always account for the total calories in your meals, not just individual foods.
Which beef cuts are best for weight loss?
Lean cuts are best: sirloin, fillet, lean rump, and topside contain 5–8g fat per 100g. These provide high protein with fewer calories than fatty cuts like ribeye or T-bone (15–20g fat per 100g). Remove visible fat before cooking, and avoid frying in butter — grill or bake instead. Lean cuts support satiety without excess calories, making them weight loss-friendly when portion-controlled.
How does high protein from beef support weight loss?
Protein increases satiety, meaning you feel fuller longer after eating, which naturally reduces overall calorie intake. Beef steak also has a high thermic effect — your body burns calories digesting protein. Additionally, adequate protein during weight loss helps preserve muscle mass, which is crucial for maintaining a healthy metabolism. These benefits work best when beef is part of a calorie deficit.
Should I combine beef steak with weight loss medication?
Many people combine healthy eating with prescription weight loss medication for better results. If you're eligible — BMI 30+ or 27–29.9 with health conditions — prescription options like Mounjaro or Wegovy can support appetite regulation alongside dietary changes. Speak with your GP about eligibility. They can assess whether medication might complement your dietary approach based on your individual health.
How do I check if I'm eligible for NHS weight loss medication?
Calculate your BMI using our free BMI calculator above — if it's 30 or higher, or 27–29.9 with weight-related health conditions like diabetes or high blood pressure, you may be eligible. Contact your GP to discuss options. NHS access is through specialist weight management services (availability varies by region). Private options are also available through online clinical assessment with a UK-licensed prescriber.
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.