Receptor Grade IGF-1 LR3 (1mg)
Why Quality Matters for IGF-1 LR3
Insulin-like Growth Factor-1 Long Arg3 (IGF-1 LR3) is a synthetic analog of human IGF-1. The “Receptor Grade” designation is critical. Unlike lower-tier media grades, receptor-grade peptides undergo rigorous purification to ensure maximum biological activity and binding affinity. In the competitive landscape of American laboratory research, using sub-par reagents is a disastrous waste of time and funding.
At Core Peptide Official, we provide the CORE PEPTIDE solutions that researchers across the USA trust for consistency, stability, and verifiable purity.
The Science Behind the Potency
IGF-1 LR3 is engineered with a substitution of Arginine for Glutamic Acid at the 3rd position and an additional 13 amino acid extension. This modification is a game-changer:
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Extended Half-Life: While standard IGF-1 has a half-life of roughly 20 minutes, the LR3 variant remains active for over 20 hours.
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Reduced Protein Binding: It avoids being neutralized by IGF-binding proteins (IGFBPs), allowing the peptide to interact more effectively with the cell receptors.
Why Choose CorePeptideOfficial.com?
Navigating the peptide market in the USA can be a minefield of “gray market” vendors and under-dosed vials. CorePeptideOfficial.com stands as the official, transparent source for high-potency research compounds.
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USA-Based Standards: We understand the American research environment. Our logistics and quality control are tailored to meet the rapid-pace demands of domestic laboratories.
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Purity Guaranteed: Every 1mg vial of our IGF-1 LR3 is lyophilized (freeze-dried) to maintain structural integrity during shipping and storage.
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Secure Procurement: When you buy from the official site, you eliminate the risk of counterfeit products that plague third-party marketplaces.
Research Applications and Expected Outcomes
Our Receptor Grade IGF-1 LR3 is specifically designed for in vitro and in vivo research involving:
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Muscle Cell Hyperplasia: Investigating the proliferation of myoblasts.
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Glucose Transport: Studying the insulin-like effects on nutrient uptake.
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Longevity Studies: Analyzing the role of the IGF-1 pathway in cellular aging and repair.
Product Specifications
| Feature | Detail |
| Molecular Formula | $C_{400}H_{625}N_{111}O_{115}S_{9}$ |
| Purity | >98% (HPLC verified) |
| Form | Lyophilized White Powder |
| Storage | 2-8°C for short term; -20°C for long term |
How to Buy Receptor Grade IGF-1 LR3 in the USA
Stop settling for “budget” peptides that yield inconsistent data. To ensure your project utilizes the highest caliber CORE PEPTIDE available, head directly to corepeptideofficial.com.
Ordering is streamlined, shipping is discrete and fast, and our customer support team is grounded in technical expertise. Don’t let your research be compromised by inferior materials. Secure your 1mg vials of Receptor Grade IGF-1 LR3 today and experience the difference that pharmaceutical-grade manufacturing brings to your bench.




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