
Beginner's guide
Starting Mounjaro Safely
Learn what to expect from your first dose and first month, including food, fluids, side effects and when to seek help.
Start Mounjaro safely →Prescription weight-loss treatment
Mounjaro is a prescription-only weight-loss treatment. Complete an online consultation and a UK-registered prescriber will assess whether it is suitable for you.
Start with practical guidance on your first dose, the dose schedule and a calorie target that supports treatment.

Beginner's guide
Learn what to expect from your first dose and first month, including food, fluids, side effects and when to seek help.
Start Mounjaro safely →
Dose guide
See how the starting dose and gradual dose increases work, with practical guidance for each stage.
Understand the Mounjaro dose schedule →
Calculator
Estimate a practical calorie target based on your height, weight, age and activity level.
Use the Mounjaro weight loss calculator →Practical guides covering diet, exercise, nutrition and lifestyle habits that may help support healthy and sustainable weight loss alongside treatment.
Guides covering eligibility criteria, BMI requirements, suitability for treatment and differences between NHS and private access options.
Helpful advice on using treatment correctly, including dosing, injection guidance, storage information and travelling with medication.
Mounjaro on the NHS: Eligibility and Access Explained