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 Mozzarella Cheese Good For Weight Loss?
Mozzarella can fit into a weight loss plan, but portion control matters. While it's high in protein and calcium, it's also calorie-dense and high in saturated fat. Some people find cheese helpful for weight management in the UK because it promotes satiety, meaning you feel fuller for longer. However, individual results vary based on overall diet and lifestyle. For adults struggling with weight management, prescription medication alongside dietary changes may be an option — your GP can discuss what's right for you.
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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.
UK-Licensed Weight Loss Medication Options
If you're looking at weight management in the UK, there are prescription options available for eligible adults. Three prescription weight loss medications are currently licensed: Mounjaro (tirzepatide), Wegovy (semaglutide), and Saxenda (liraglutide). These work alongside dietary changes — not instead of them. Mounjaro and Wegovy are once-weekly injections that help regulate appetite and support feeling fuller after meals. In clinical trials, participants using these medications lost an average of 15–21% of their body weight over time, though individual results vary significantly. These are not alternatives to food choices like mozzarella; rather, they're tools that can make dietary adherence easier by reducing appetite and cravings. A GLP-1 weight loss medication might be discussed with your GP if you have a BMI of 30 or above, or 27 or above with weight-related health conditions.
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 vs Private Prescription Routes
In the UK, prescription weight loss medication is available through two routes. NHS weight loss services are provided through specialist tier 3 weight management clinics — your GP can refer you, though waiting times vary by region and availability can be limited. The private route involves an online consultation with a UK-licensed prescriber, followed by prescription through a GPhC-registered pharmacy if you're clinically suitable. Both routes require assessment — a prescriber will review your medical history, current medications, and health goals. Neither route provides assured outcomes; medication works best when combined with sustainable dietary habits, physical activity, and behaviour change. Use our free GLP-1 weight loss calculator to explore potential outcomes at different doses, and our BMI calculator to assess your current health category — your GP can use this information to guide the conversation.
- 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 mozzarella while taking Mounjaro or Wegovy?
Yes. Prescription weight loss medications don't restrict specific foods — they work by reducing appetite overall. Mozzarella can be part of your diet, but portion sizes remain important. GLP-1 medications typically make you feel fuller on smaller portions, which may naturally lead to less cheese consumption. Always discuss your diet with your prescriber if you have concerns.
How much weight can I expect to lose with prescription medication?
Clinical trials show average weight loss of 15–21% of body weight over 68 weeks with Mounjaro or Wegovy, alongside diet and exercise. However, individual results vary significantly — some people lose more, some less. Results depend on your starting weight, adherence, diet, activity level, and genetics. Your prescriber will discuss realistic expectations.
Who is eligible for weight loss medication in the UK?
Generally, adults with a BMI of 30 or above, or 27 or above with a weight-related health condition (like type 2 diabetes, high blood pressure, or sleep apnoea) may be eligible. Eligibility is assessed individually by a prescriber. Pregnant women, those under 18, and people with certain medical conditions cannot take these medications.
What's the difference between NHS and private weight loss medication?
NHS access is through specialist weight management services — your GP refers you, but waiting lists can be long and vary by region. Private access is faster — through online consultation with a prescriber, then a GPhC-registered pharmacy. Both require clinical assessment. NHS is free; private costs vary (typically £129–£320 monthly depending on dose).
Is mozzarella a good choice for weight loss specifically?
Mozzarella is moderately helpful — it's high in protein (which supports satiety) but also calorie-dense and high in saturated fat. Portion control is key. Fresh mozzarella has fewer calories than aged varieties. For sustainable weight management in the UK, focus on overall diet quality rather than eliminating specific foods. Your GP or a dietitian can provide personalised advice.
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.