Compare tirzepatide vs semaglutide and find the best weight loss injection UK for your needs
Clinical studies suggest Mounjaro (tirzepatide) may lead to greater overall weight loss due to its dual hormone action, but Wegovy (semaglutide) is still highly effective and has been available longer with more extensive real-world data.
Medically reviewed by Muhammad Adnan, GPhC-registered Superintendent Pharmacist · Last updated June 2026.
This article is general information and isn't a substitute for personal medical advice. Your pharmacist will assess what's right for you at a face-to-face consultation. More health advice · Book a consultation.