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A more curious kind of science

Retatrutide

A peptide investigated for its action at three hormone receptors involved in metabolism. Explore the specific clinical studies below.

By the Peptidoteca editorial team4 sources

The short version

A peptide investigated for its action at three hormone receptors involved in metabolism. Explore the specific clinical studies below.

What does the research tell us?

A result in a cell or an animal does not establish the same result in people. Read the study design, the measurements, and the limitations before drawing a conclusion.

What remains uncertain?

The research question, the formulation, and the population all matter. This page is a starting point for understanding the literature, not a complete assessment of benefits or risks.

Identity & technical details

For readers who want the reference details.

Name
Retatrutide
Also known as
LY3437943, GGG tri-agonist
Topic
Metabolism
CAS
2381089-83-2

Explore the sources

Open a source to read its methods and limitations. Published titles are kept in their original language.

Rodent study · 2026GIPR:GCGR co-agonism restores normal weight in obese rodentsPerez-Tilve D · Molecular Metabolism

In this rodent study, the GLP-1R:GIPR:GCGR triagonist retatrutide was reported to normalize body weight in diet-induced obese GLP-1R-knockout mice, indicating retatrutide-driven weight reduction can occur without functional GLP-1 receptor signaling; a GIPR:GCGR co-agonist lacking GLP-1 activity lowered excess body weight comparably.

Rodent study · 2026Multi-omic profiling reveals Retatrutide alleviates adipose tissue fibrosis via metabolic reprogramming and tissue repairLi Q · Diabetology & Metabolic Syndrome

In a high-fat-diet mouse model, multi-omic profiling reported that the GIP/GLP-1/glucagon triple agonist retatrutide was associated with reduced adipose-tissue fibrosis — downregulated inflammatory/fibrotic pathways and upregulated reparative signaling — alongside metabolic reprogramming toward fatty-acid oxidation and improved mitochondrial function.

Review · 2026The Triple-Agonist Revolution: Retatrutide and the Paradigm Shift in Multi-Hormonal Pharmacotherapy for Obesity and Cardiometabolic ComorbiditiesGanamurali N · Clinical Pharmacology in Drug Development

This review characterizes retatrutide (LY3437943) in the literature as a single-molecule triple receptor agonist acting on the GLP-1, GIP, and glucagon receptors, situating it within the broader development of multi-hormonal peptide pharmacology described for obesity and cardiometabolic comorbidities.

This guide explains research. It does not recommend a treatment, product, or dose.

A laboratory arithmetic tool. It does not determine a dose for a person.

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