Mounjaro
Avalible to order
Reviewed By: Mr A Salih
GPhC Registration: 2212755
Last reviewed on: 15/12/2025
Mounjaro is a weekly self-injectable weight loss medication containing the active ingredient tirzepatide. Each pack of Mounjaro comes in four weekly doses when ordered online at Cadogan Weight Loss Clinic.
Tirzepatide regulates blood sugar levels and reduces appetite, triggering weight loss. Approved by the MHRA for weight management and type 2 diabetes, Mounjaro KwikPen (tirzepatide) has achieved unprecedented weight loss results in its clinical trials.
Each pack of Mounjaro contains 4 x weekly doses.
Prices include prescription
2.5 mg(4 x doses of 2.5 mg) £195.00
5 mg(4 x doses of 5 mg) £235.00
7.5 mg(4 x doses of 7.5 mg) £310.00
10 mg(4 x doses of 10 mg) £340.00
12.5 mg(4 x doses of 12.5 mg) £355.00
15 mg(4 x doses of 15 mg) £375.00
Start the consultation to proceed:
You will be able to select a suitable treatment after you have completed the consultation form.
Buy Mounjaro Weight Loss Injection In the UK
Access genuine Mounjaro injections through our regulated UK online clinic. Our expert pharmacists and prescribers provide safe, convenient access to this advanced dual-action weight loss treatment with fast, discreet delivery across the UK.
See Your Potential Results
Calculate your BMI and discover what up to 23% weight loss could mean for you with Mounjaro.
Check your eligibility in seconds
See your potential weight loss journey
Understand your BMI category
What does 23% weight loss look like for you?
Calculate your BMI to see where your weight journey could take you with Mounjaro
Transform Today, Protect Tomorrow
Our medically-supervised weight loss programmes are backed by clinical research and designed to help you achieve lasting results without extreme lifestyle changes.
Guided by Science
Mounjaro's dual-action mechanism is backed by extensive clinical trials showing superior weight loss outcomes.
Supported by Your Team
Work with your dedicated healthcare team who prioritise your needs—from medication management to addressing lifestyle factors.
Built to Last
We don't just help you lose weight. We help you develop sustainable habits that last well beyond the treatment.
What is Mounjaro?
Mounjaro (tirzepatide) is an advanced prescription medication for weight management that works through a dual mechanism of action. It's the first and only treatment to activate both GLP-1 and GIP receptors simultaneously, offering enhanced metabolic benefits.
Administered as a once-weekly subcutaneous injection, Mounjaro has been clinically proven to help patients achieve up to 23% body weight reduction—the highest weight loss results of any approved medication—when combined with a reduced-calorie diet and increased physical activity.
How Mounjaro Works
Mounjaro injections work through a unique dual-action mechanism, mimicking both GLP-1 (glucagon-like peptide-1) and GIP (glucose-dependent insulinotropic polypeptide) hormones. This combination targets multiple areas involved in regulating appetite, blood sugar, and metabolism.
Mounjaro is most effective when used alongside a balanced, healthy diet and increased physical activity.
Dual Receptor Activation
Unlike single-action GLP-1 medications, Mounjaro activates both GLP-1 and GIP receptors for enhanced weight loss effects.
Reduces Appetite & Cravings
Mounjaro significantly reduces food cravings and helps you feel satisfied with smaller portions by acting on brain regions that control hunger.
Slows Gastric Emptying
Delays the rate at which food leaves your stomach, helping you feel fuller for extended periods throughout the day.
Improves Insulin Sensitivity
Enhances your body's response to insulin, improving blood sugar regulation and reducing energy crashes that trigger overeating.
Enhances Fat Metabolism
The GIP component helps improve how your body processes and stores fat, contributing to more efficient weight loss.
How Mounjaro Works
Mounjaro may be suitable for adults with:
BMI of 30 or greater (obesity), or
BMI of 27 or greater with at least one weight-related condition (e.g., type 2 diabetes, high blood pressure)
Previous unsuccessful attempts with other weight loss methods or medications
Dose Escalation Schedule
Mounjaro follows a gradual dose escalation protocol to minimize side effects and optimize tolerance:
2.5 mg
Weeks 1-4
5 mg
Weeks 5-8
7.5mg
Weeks 9-12
10 mg
Weeks 13 - 16
12.5 mg
Weeks 17-20
15 mg
Weeks 21+
Side Effects & Safety
How to Use Your Mounjaro KwikPen
Mounjaro comes in an easy-to-use pre-filled KwikPen. Each pen contains 4 weekly doses (0.6ml per injection).
1
Prepare Your Pen
Attach a new needle and prime the pen before first use
2
Choose Injection Site
Stomach, thigh, or back of upper arm. Rotate sites weekly
3
Inject & Dispose
Turn to "1", inject, hold for 5 seconds. Dispose safely
Frequently Asked Questions
Authored on December 3, 2025
M Tager - MPharm
Prescribing Pharmacist
GPhC Number: 2233813
Reviewed on December 3, 2025
Dr A Ameer
Clinical Pharmacist / Medical Review
UK-Registered Healthcare Professional
Refrences
1. Jastreboff AM, Aronne LJ, Ahmad NN, et al. Tirzepatide Once Weekly for the Treatment of Obesity. N Engl J Med. 2022;387(3):205-216. Available from: https://www.nejm.org/doi/full/10.1056/NEJMoa2206038. Retrieved December 3, 2025.
2. Rosenstock J, Wysham C, Frías JP, et al. Efficacy and safety of a novel dual GIP and GLP-1 receptor agonist tirzepatide in patients with type 2 diabetes (SURPASS-1): a double-blind, randomised, phase 3 trial. Lancet. 2021;398(10295):143-155. Available from: https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(21)01324-6/fulltext. Retrieved December 3, 2025.
3. Garvey WT, Frias JP, Jastreboff AM, et al. Tirzepatide once weekly for the treatment of obesity in people with type 2 diabetes (SURMOUNT-2): a double-blind, randomised, multicentre, placebo-controlled, phase 3 trial. Lancet. 2023;402(10402):613-626. Available from: https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(23)01200-X/fulltext. Retrieved December 3, 2025.
4. Mounjaro 2.5 mg solution for injection in pre-filled pen - Summary of Product Characteristics (SmPC). Available from: https://www.medicines.org.uk/emc/product/14443/smpc. Retrieved December 3, 2025.
Last medically reviewed: December 3, 2025