LABORATORY RESEARCH MATERIAL
IGF-1 LR3
1 mg per vial · 10-vial pack
$68.36 / vial equivalent$683.61 per 10-vial pack
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For laboratory research only. Not for injection, ingestion, clinical treatment, or veterinary use.
SUPPLIED QUANTITY & FORMAT
Vial quantity, not a dosing schedule.
This listing supplies 1 mg per vial, with 10 vials per pack. The labeled quantity describes the material supplied; it is not a recommended dose or a prepared-solution concentration. No human or animal dosing instructions are provided.
Freeze-dried powder
The supplier describes the material as lyophilized, or freeze-dried, powder. Lyophilization removes water from a frozen preparation. The dry vial is not a ready-to-use liquid, and a labeled mass does not specify a final concentration. Follow the batch-specific technical documentation for laboratory handling and storage. Freeze-drying alone does not establish purity, sterility, or shelf life; review the supplier’s batch documentation.
COMPOUND OVERVIEW
What is IGF-1 LR3?
A modified insulin-like growth factor-I analogue, commonly called Long R3 IGF-I, with reduced affinity for several IGF-binding proteins.
THE SCIENTIFIC QUESTIONS
What is being researched?
Cell studies investigate how binding proteins regulate IGF-related proliferation and differentiation. Comparisons with native IGF-I help distinguish receptor signaling from changes in ligand availability.
Research possibilities
The analogue is useful for testing how extracellular binding proteins influence growth-factor activity in controlled research systems. The response depends on the cell type and surrounding factors.
How to interpret the evidence
Proliferation is not inherently a beneficial endpoint and can be undesirable. Cell findings do not establish performance or tissue-growth benefits in people.
These summaries describe published work on compounds or related materials. They are not test results for the product sold here. Reported research outcomes are not guaranteed product benefits.
Supplier and batch documentation
Peptide Express resells third-party materials in wholesale packs, fulfilled by third-party suppliers. Ask for the current certificate of analysis, composition, identity testing, and handling documentation for the actual batch. Supplier-reported testing has not been independently verified here.
Research references
Sources reviewed October 21, 2026. References are provided for research context and do not establish equivalence of supplier materials to study materials.
Research-use disclaimer
This product is not for human or animal consumption. It is offered exclusively as a laboratory research material. The information on this page is educational and does not provide medical, veterinary, dosing, or administration advice.
Certificates of analysis
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