Peptides

RTA-3

Retatrutide (LY3437943), a peptide studied across GIP, GLP-1 and glucagon receptors.

Amount

$120

Per unit

For in vitro laboratory research only. Not for human or veterinary use, or as a dietary supplement.

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Research profile

Scientific background

Receptor studies

RTA-3 is the listing name for retatrutide, also designated LY3437943. The original discovery work compares its activity at GIP, GLP-1 and glucagon receptors using cAMP measurements in defined receptor-expressing cell lines.

Laboratory research topics

Comparative GIP, GLP-1 and glucagon receptor assays.
Cellular cAMP accumulation as a receptor-signaling readout.

Evidence in context

Cell-based assays within original discovery research

The three receptor assays used defined expression systems and reference ligands. Their readouts are assay-specific and do not establish equivalent activity in other preparations or biological settings.

Published studies describe their own experimental models and preparations. They do not establish the identity, quality, or suitability of an EliteGen batch for a particular experiment.

References 1

LY3437943, a novel triple glucagon, GIP, and GLP-1 receptor agonist for glycemic control and weight loss: From discovery to clinical proof of concept
2022 · Original discovery study with receptor assays, animal and clinical components

Product documents

Certificate of Analysis

RTA-3 · 10 mg

These reports describe the specific samples and lots listed in each PDF. Compare the report’s lot details with the product documentation.

Certificate of Analysis

CERTIFICATE OF ANALYSIS — Retatrutide 10mg

Reported amount: 10 mg
Report date: August 8, 2026
Lot / batch: SD-260725-1
Report number: 0567.OPT.260803-R1
Laboratory: Optiq Health Labs, LLC

This report uses the compound name Retatrutide, which is listed as RTA-3 in this catalog. It applies to the report's 10 mg sample, not the 20 mg variant.

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Identity, purity, assay, sterility, and endotoxins are separate tests. A purity percentage alone does not establish sterility or endotoxin levels. Use only the tests and results actually reported.

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