GLP-3

Plasma Concentration Studies

GLP-3

LY3437943

GLP-3

A 39-amino acid triple agonist peptide targeting GIP, GLP-1, and glucagon receptors, studied for metabolic regulation and body composition in clinical research. Premium Research Peptide.

Certificate of Analysis

Third Party Tested by Freedom Diagnostics

99.57%
Purity
Variant
GLP3-R 15mg
Lot #
Black Cap
Labeled
15mg
Actual
14.36mg
Tested
Apr 14, 2026
View COA
99.76%
Purity
Variant
GLP3-R 30mg
Lot #
Red Cap
Labeled
30mg
Actual
30.96mg
Tested
Apr 14, 2026
View COA

Compound Information

Technical specifications

Molecular Profile

What Is Retatrutide?

Type
Synthetic peptide
CAS Number
2381089-83-2
Molecular Weight
4,731 g/mol
Amino Acids
39
Fatty Acid Chain
C20 diacid
Storage Requirements

Stability Information

Avoid freeze/thaw cycles. Protect from light

Lyophilized (powder)

-20°C • 24+ months

Reconstituted

2-8°C • ~30 days

Sources & References

Peer-reviewed research

New England Journal of Medicine

Triple–Hormone-Receptor Agonist Retatrutide for Obesity — A Phase 2 Trial

2023 • DOI: 10.1056/NEJMoa2301972

Jastreboff AM, et al.

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The Lancet

Retatrutide for People with Type 2 Diabetes — A Phase 2 Trial

2023

Rosenstock J, et al.

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Nature Medicine

Retatrutide for Metabolic Dysfunction-Associated Steatotic Liver Disease

2024

Sanyal AJ, et al.

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Lancet Diabetes & Endocrinology

Effects of Retatrutide on Body Composition

2025

Coskun T, et al.

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PubMed Central

Triple Agonism Based Therapies for Obesity

2025

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PubMed Central

Retatrutide — A Game Changer in Obesity Pharmacotherapy

2025

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PubMed Central

Efficacy and Safety of Retatrutide — Systematic Review & Meta-Analysis

2024

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Eli Lilly

TRIUMPH-4 Phase 3 Trial Results

2025

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Nature Cell Discovery

Structural Analysis of Incretin Receptor Agonists

2024

  • View Source

PubChem Database

Retatrutide Compound Information

2025

  • View Source

ClinicalTrials.gov

Retatrutide Clinical Trials Registry

2025

  • View Source
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Research Verification

Pèptido Labs sells research peptides exclusively to qualified researchers and laboratories for in vitro and laboratory use. Please confirm before continuing.

By proceeding you affirm the statements above are true. Products are not for human or veterinary use, not for use in diagnostic procedures, and have not been evaluated by the U.S. Food and Drug Administration.