triple hormone receptor agonist retatrutide Dr. Rutman | Weight Loss | Aesthetics | Regenerative What GLP‑3 Really Is: Retatrutide

17 Albert SG, Wood EM, Ahir V

For a detailed breakdown of 2026 UK pricing for both treatments, our Wegovy vs Mounjaro 2026 UK guide covers current costs, NHS access, and what to expect from each treatment

Retatrutide is a Phase 3 investigational compound not yet approved by any regulatory agency as of June 2026

Wegovy commonly causes nausea, vomiting, diarrhoea, and constipation, particularly during dose escalation

As demand for these treatments has surged especially medications like Ozempic, Wegovy, and Zepbound compounded versions have started becoming available through some telehealth services and compounding pharmacies