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Retatrutide

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Also known as: LY3437943, Triple G, GGG Agonist

Overview

Retatrutide is a next-generation triple agonist targeting GLP-1, GIP, and glucagon receptors simultaneously. Early trials show it may produce even greater weight loss than tirzepatide, potentially up to 24% body weight reduction.

How It Works

Retatrutide uniquely activates three receptors: GLP-1 for appetite suppression, GIP for enhanced insulin response, and glucagon receptor for increased energy expenditure and fat burning. This triple action addresses multiple metabolic pathways.

Research Status

Phase 3 clinical trials ongoing. Phase 2 showed 24.2% weight loss at highest dose. Expected FDA submission 2025-2026.