6 min read · Research education
What Is Retatrutide? Research Peptide Overview
Retatrutide is an investigational research peptide studied for its interaction with three metabolic receptors at once. Here's the structure and the science behind the “triple agonist” label.
Retatrutide is a synthetic, investigational peptide studied in metabolic research for its unusual property of engaging three receptors simultaneously: GLP-1, GIP, and the glucagon receptor. It carries the CAS number 2381089-83-2 and is supplied as a lyophilized powder for laboratory research.
Why it's called a “triple agonist”
Most incretin-class research peptides engage one or two receptors. Retatrutide is studied as a triple-receptor agonist — it interacts with the GLP-1 and GIP incretin receptors plus the glucagon receptor. Researchers compare single, dual, and triple agonists specifically to study how the breadth of receptor engagement changes downstream signaling. For the broader receptor biology, see our guide to GLP-1 research peptides.
What the research examines
In laboratory and preclinical models, retatrutide is studied for its effects on metabolic signaling, insulin-sensitivity pathways, and energy-regulation mechanisms in vitro. This is investigational research: retatrutide is not an approved drug, and nothing here describes effects in people. It is supplied strictly for research use only.
Form and handling
As a lyophilized peptide, retatrutide is reconstituted with bacteriostatic water before use in experiments and characterized by HPLC and mass spectrometry for purity and identity. See our reconstitution and storage guides for general lab handling.
Frequently asked questions
What receptors does retatrutide target?
Retatrutide is studied as a triple-receptor agonist engaging the GLP-1, GIP, and glucagon receptors.
Is retatrutide an approved medication?
No. Retatrutide is an investigational compound supplied for laboratory research use only — not an approved drug and not for human or veterinary use.
Related research peptides
This article is provided for educational and research-context purposes only and does not constitute medical, dosing, or human-use guidance. All products referenced are sold by Peptide Depot strictly for laboratory research use only and are not for human or veterinary consumption.