PubMed, Chappell, Kenneth, et al
GIP activation works directly on fat tissue to influence how the body stores and mobilizes fat, improves insulin sensitivity at the cellular level, amplifies GLP-1 appetite suppression, and may improve tolerability by moderating some GI effects
Human evidence - Phase 3 TRANSCEND-T2D-1 (Eli Lilly, March 19, 2026) 537 adults with type 2 diabetes, randomized 1:1:1:1 to retatrutide 4, 9, or 12 mg or placebo
This decision is based on the improved availability of the brand-name medication, ensuring that patients receive FDA-approved drugs that have undergone rigorous safety and efficacy reviews4
Well work with you to determine the appropriate treatment plan and discuss long-term strategies for maintaining a healthy weight