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Medication · Dual GIP / GLP-1 Receptor Agonist

Tirzepatide

Also known as: Mounjaro · Zepbound · Dual GIP/GLP-1 Agonist

Tirzepatide is a dual GIP/GLP-1 receptor agonist with the strongest weight-management and metabolic biomarker effects currently available. Provider-reviewed initiation, lean-mass preservation, and biomarker recalibration are standard.

Medically reviewed
Dr. Laura Purdy · MD, MBA
Clinical Director, oMeds
Last reviewed
Mechanism of action

Co-activates GIP and GLP-1 receptors, producing additive effects on insulin secretion, glucagon suppression, gastric emptying, and central satiety signaling.

Overview

What you need to know

Tirzepatide differs from pure GLP-1 receptor agonists by co-activating GIP, an incretin that amplifies insulin response and appears to support more favorable body-composition outcomes. In head-to-head data tirzepatide outperforms semaglutide on weight loss and A1C reduction. The same provider-reviewed framework applies: standardized biomarker panel at baseline, resistance-training and protein-intake guidance, microdose strategies where appropriate, and recalibration on a defined cadence.

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