What Is IGF-1 LR3?
IGF-1 LR3 (Long R3 Insulin-Like Growth Factor-1) is a synthetic analog of IGF-1 engineered for extended stability and reduced binding to IGF-binding proteins. In laboratory environments, IGF-1 LR3 is researched for its role in cellular growth, proliferation, and differentiation signaling pathways.
This compound is supplied strictly for laboratory and scientific research purposes only and is not intended for human or veterinary use.
IGF-1 LR3 Research Applications
Researchers study IGF-1 LR3 in experimental models related to:
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Cellular growth and proliferation pathways
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Muscle tissue development research
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Protein synthesis signaling studies
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Metabolic and anabolic signaling mechanisms
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Tissue regeneration and repair research
Its extended half-life makes IGF-1 LR3 a preferred compound in controlled peptide research settings.
Long R3 Modification (Research Context)
The Long R3 modification alters the peptide structure to increase receptor interaction time and reduce degradation in experimental systems. This allows researchers to observe prolonged signaling activity during controlled laboratory studies.
Product Specifications
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Compound Name: IGF-1 LR3 (Long R3)
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Amount: 1mg
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Purity: ≥99% (HPLC verified)
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Form: Lyophilized powder
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Category: Research peptide
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Storage: Refrigerate after reconstitution
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Use: Laboratory research only
Quality Control & Testing
Each batch of IGF-1 LR3 is independently tested for purity, identity, and stability. Certificates of Analysis (COA) are available upon request to ensure research accuracy and consistency.
Compliance & Legal Disclaimer
This product is not approved for human consumption, not a dietary supplement, and not a pharmaceutical drug.
IGF-1 LR3 is sold exclusively for laboratory research purposes in accordance with regulations applicable in the USA, UK, Europe, and Canada.




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