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
How Much Does Mounjaro 10mg Cost in the UK?
Mounjaro 10mg is a mid-range dose of tirzepatide, typically used after dose escalation from lower starting doses. In the UK, cost varies significantly depending on whether you access Mounjaro through the NHS or private prescription route. This guide explains UK pricing, how to find affordable options, and what to expect at the 10mg dose stage. Always ensure any prescription comes from a UK-licensed prescriber following a clinical assessment.
10,000+ calculations today · NHS-aligned thresholds · 100% free
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.
Private Prescription Costs for Mounjaro 10mg in the UK
Private prescription costs for Mounjaro 10mg typically range from £150 to £280 per month in the UK, depending on the provider and whether you're continuing from a lower dose or starting fresh. At the 10mg stage, you're generally in the dose escalation phase (having started at 2.5mg and progressed through 5mg and 7.5mg), so most users will have already invested in earlier doses.
Key cost factors include:
- Provider variation: Different GPhC-registered online prescribing services charge different fees for the same dose
- Assessment fees: Initial online clinical consultations typically cost £20–£50 separately
- Prescription fees: Some providers bundle assessment and prescription; others charge separately
- Bulk purchasing: Buying multiple pens in advance (each pen = 4 weeks supply) may offer discounts
- Repeat prescription costs: Ongoing consultations for repeat prescriptions often cost less than initial assessments
The NHS KwikPen device itself costs the same regardless of dose — the price difference reflects the medication content and provider markup. Shop around using online prescription comparison, but always verify that the provider is registered with the GPhC (General Pharmaceutical Council).
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 vs Private Access — Which Route for Mounjaro?
NHS access to Mounjaro is free at the point of use but involves significant waiting times and regional variation. You must be referred to a tier 3 or tier 4 specialist weight management service by your GP — and many regions have waiting lists of 12–24 months. Private prescription access is faster (assessment and prescription within days) but requires upfront payment. Use our free GLP-1 weight loss calculator to estimate potential outcomes at the 10mg dose, regardless of which access route you choose. To get a private prescription, you'll have an online consultation with a UK-licensed prescriber who will assess your eligibility, check your medical history, and review any contraindications before issuing a prescription to a GPhC-registered pharmacy.
- 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.
Is Mounjaro 10mg cheaper on the NHS?
Yes — NHS prescriptions are free at the point of use once approved through a specialist weight management service. However, waiting lists are typically 12–24 months depending on your region. Private access costs £150–£280 per month but is available much faster, making it the faster option for those who can afford upfront costs.
What's included in the price of a Mounjaro 10mg prescription?
Private prescription costs cover the medication, the KwikPen device (containing 4 doses), delivery, and the prescription fee. Clinical assessment fees are often separate. Always confirm what's included before paying. NHS prescriptions include the medication and device with no additional cost once you reach a specialist service.
Can I find cheaper Mounjaro 10mg by switching providers?
Yes — prices vary between GPhC-registered online prescribing services. Use online prescription comparison tools to check current pricing across multiple providers. Be cautious of unusually low prices; verify the provider is properly registered and offers a full clinical assessment before prescribing.
How does the Mounjaro dose titration schedule affect cost?
Mounjaro requires a gradual dose escalation over approximately 20 weeks (2.5mg → 5mg → 7.5mg → 10mg → 12.5mg → 15mg). The 10mg stage is typically reached around week 13–16. You'll pay for each dose level as you progress, so total cost to reach 10mg may be £600–£900+ depending on your provider.
Is Mounjaro 10mg the maximum dose I might need?
No — the maximum approved dose is 15mg once weekly. Some people achieve their weight loss goals at 10mg and remain on that dose; others continue escalating to 12.5mg or 15mg. Your prescriber will assess whether you need to progress based on clinical response, tolerance, and side effects. Use our BMI calculator to track progress at your current dose.
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.