Retatrutide

Metabolic

Retatrutide (LY3437943)

MW 4731.4 Da

Retatrutide (LY3437943) is a triple agonist of the GIP, GLP-1 and glucagon receptors, studied in research contexts for incretin-pathway and metabolic regulation.

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Reviewed by Peptide Scanner Editorial Team · Last reviewed June 2026

Key facts at a glance

Class: Metabolic
Also known as: Retatrutide (LY3437943)
Molar mass: 4731.4 g/mol
Common research uses: LY3437943, GLP-1, GIP
Human half-life: Not well characterised — in humans
Regulatory status: Research use only — not approved for human use

Reference figures for research orientation only. Where a value is not well established we say so rather than guess.

Research use only. The information below summarises published research and community reports. Not medical advice. Consult a licensed clinician before any human use.

What Retatrutide is and how it works

Retatrutide is a triple GIP, GLP-1 and glucagon receptor agonist studied in research contexts for incretin-pathway and metabolic regulation.

Researched effects

Animal-model findings only — not demonstrated in humans.

Content in review by our research team

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Side effects and safety considerations

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Reconstitution & dosing

Dosing protocols in the literature are for research models only. Use the calculator below to work out reconstitution volumes.

For Retatrutide

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Where to find Retatrutide

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As of today, Retatrutide is compared across 14 suppliers — lowest tracked price $2.50/mg.

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Frequently asked questions

Content in review by our research team

We are writing and source-checking this section before it goes live. We would rather leave it blank than publish unverified information.

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