How to Self-Inject Mounjaro: Pen Technique, Site Rotation and Common Mistakes

Patient Guides

12 October 2026

Mounjaro autoinjector pen and alcohol swab on a clean countertop ready for self-injection

BMI Calculator

*If you have an Asian, Chinese, Middle Eastern, Black African or African-Caribbean family background:

  • 23 to 27.4 – overweight
  • 27.5 or above – obese

Have a question?

Our services are not intended for use in a medical emergency.

If you need urgent medical attention, please call 111 or 999

General Form

Site General Contact Form

Name(Required)

Patient Reviews