IGF-1 LR3 Product Brief
Ready-to-Sell Research Product Sheet
1. Compound Overview
IGF-1 LR3 (Long R3 Insulin-Like Growth Factor-1) is a modified analog of human insulin-like growth factor-1 designed for extended activity.
It contains an arginine substitution at position 3 and an additional 13-amino-acid extension, which reduces binding to IGF-binding proteins and prolongs its half-life.
IGF-1 LR3 is widely studied in research exploring cellular growth signaling, muscle tissue development, and regenerative biological pathways.
2. Mechanism of Interest
IGF-1 LR3 is studied for several biological mechanisms:
- Activation of the IGF-1 receptor (IGF-1R)
• Stimulation of cellular growth and proliferation pathways
• Increased protein synthesis signaling
• Potential influence on muscle cell hypertrophy pathways
• Interaction with growth hormone and endocrine signaling networks
3. Research Areas Being Explored
- Muscle growth and regeneration studies
• Cellular proliferation and signaling pathways
• Metabolic signaling research
• Tissue repair and regeneration models
• Growth hormone axis research
4. Suggested Research Vial Sizes
- 1 mg lyophilized vial
• 2 mg lyophilized vial
• 5 mg research vial
• 10 mg laboratory vial
5. Example Reconstitution Chart
Example mixing protocols commonly used in research contexts:
1 mg vial + 1 mL bacteriostatic water = 1 mg/mL concentration
2 mg vial + 2 mL bacteriostatic water = 1 mg/mL concentration
5 mg vial + 2 mL bacteriostatic water = 2.5 mg/mL concentration
These concentrations allow precise measurement in laboratory research environments.
6. Label Information for Vials
- Compound name: IGF-1 LR3
• Total amount per vial (mg)
• Lot / batch number
• Manufacturing date
• Storage instructions (2–8°C recommended before reconstitution)
• Research use only disclaimer
7. Market Positioning
IGF-1 LR3 is commonly positioned in the growth factor and regenerative research peptide category.
It is frequently associated with research exploring:
- Muscle tissue growth models
• Cellular proliferation pathways
• Recovery and regeneration studies
• Growth hormone axis signaling research
8. Example Research Stack Categories
- IGF-1 LR3 + CJC-1295 / Ipamorelin
• IGF-1 LR3 + BPC-157
• IGF-1 LR3 + TB-500
• IGF-1 LR3 + Growth hormone related peptides
9. Safety and Regulatory Notes
IGF-1 LR3 is not approved by the FDA for medical treatment and is commonly distributed as a research compound.
This document is intended for informational and research product description purposes only.

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