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
Healthiest Breakfast Foods For Weight Loss
Starting your day with a nutritious breakfast can play an important role in supporting weight management and reducing overall calorie intake. The best breakfast foods for weight loss are typically high in protein and fibre, which help you feel fuller for longer and reduce cravings throughout the morning. In the UK, the NHS recommends a balanced approach to weight loss that combines healthy eating with physical activity. Whether you're managing your weight through lifestyle changes alone or alongside prescription weight loss medication, choosing the right breakfast sets a positive tone for the day ahead.
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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.
Best Breakfast Foods To Support Your Weight Loss Goals
High-protein breakfast options are among the most effective choices for weight management. Eggs are an excellent choice — one medium egg contains about 6 grams of protein and keeps you satisfied until mid-morning. Greek yoghurt (around 100g) provides approximately 10 grams of protein per serving and pairs well with berries for added fibre. Cottage cheese is another protein-rich option that works well with fruit or nuts.
- Oats — provide soluble fibre that slows digestion and stabilises blood sugar
- Berries (blueberries, strawberries, raspberries) — low in calories, high in antioxidants and fibre
- Nuts and seeds — almonds, chia seeds, and flaxseeds add healthy fats and protein
- Whole grain toast — choose wholemeal over white for sustained energy
Combining these foods creates a balanced breakfast that supports sustainable weight management. The key is choosing foods with good nutritional density — more nutrients per calorie — rather than processed cereals or sugary options.
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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.
Practical Breakfast Tips For Sustainable Weight Loss
Portion control matters even with healthy foods. A balanced breakfast for weight management typically contains 300–400 calories, including protein, fibre, and healthy fats. Avoid liquid calories — sugary juices and fancy coffee drinks can add 200+ calories without promoting fullness. Instead, drink water or unsweetened tea alongside your meal.
Track what you eat using our free progress tracker to understand how different breakfasts affect your energy levels and hunger throughout the day. If you're accessing weight loss medication through NHS specialist services or private prescribing, a supportive breakfast routine works alongside your treatment plan. Remember that individual results vary, and your GP can provide personalised nutrition advice tailored to your health needs and weight loss goals.
- 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.
What's the best breakfast for weight loss?
The best breakfast combines protein (eggs, yoghurt, cottage cheese), fibre (oats, berries, whole grains), and healthy fats (nuts, seeds). This combination keeps you satisfied longer, reduces mid-morning cravings, and supports sustainable weight management. Aim for 300–400 calories with a good balance of nutrients.
How does breakfast affect weight loss?
Eating a nutritious breakfast stabilises blood sugar, reduces overall daily calorie intake by preventing overeating later, and provides energy for physical activity. Skipping breakfast often leads to larger portions at lunch and increased snacking. Evidence shows that people who eat balanced breakfasts tend to maintain healthier weights over time.
Can I lose weight eating breakfast?
Yes — eating a healthy breakfast supports weight loss when it's part of a calorie-controlled diet and active lifestyle. The key is choosing nutrient-dense foods that keep you full rather than empty-calorie options. Use our free BMI calculator to track your baseline, then monitor your progress as you establish healthy breakfast habits.
Are eggs good for weight loss?
Eggs are excellent for weight loss — they're high in protein (about 6 grams per medium egg), low in calories (around 70 calories), and very satiating. Studies show that eating eggs at breakfast reduces hunger and total calorie intake throughout the day. They're versatile, affordable, and a staple of evidence-based weight management in the UK.
Should I count calories for breakfast?
Tracking calories can be helpful for understanding your intake and making adjustments. For weight loss, aim for a 500 kcal daily deficit to lose approximately 0.5 kg per week, which the NHS recommends as sustainable. Our progress tracker can help you log breakfast choices and see patterns over time without obsessive calorie counting.
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.