What It Is:
IGF-1 LR3 (Long Arg3 Insulin-Like Growth Factor-1) is a synthetic, extended version of IGF-1, designed for increased stability and a longer half-life in the body. It plays a key role in cell growth, repair, and development, making it a popular research peptide in studies related to muscle growth, recovery, and tissue regeneration.
How It Works:
- 🧬 Cellular Growth & Repair: IGF-1 LR3 binds to IGF-1 receptors in muscle and other tissues, triggering protein synthesis and cell proliferation, which can support lean tissue development.
- 💪 Enhanced Nutrient Uptake: It increases nutrient transport to muscle cells, creating an environment favorable for muscle repair and growth.
- ⏳ Extended Activity: The LR3 modification replaces the third amino acid with arginine and extends the chain length, making the molecule less likely to bind to IGF-binding proteins, which significantly increases its active duration (up to ~20–30 hours compared to native IGF-1’s short half-life).
Potential Research Uses:
- 🔬 Studies on muscle hypertrophy, tissue regeneration, and cell proliferation
- 💪 Research on recovery and repair following intense physical stress
- 🧠 Exploration of IGF pathways in anti-aging and metabolic health
- 🩺 Investigating IGF-1 signaling in various physiological processes
Product Details:
- Name: IGF-1 LR3 (Long R3 Insulin-Like Growth Factor-1)
- Form: Lyophilized powder
- Purity: ≥98% (HPLC)
- Storage: Store at −20 °C, protected from light and moisture
- Reconstitution: Use bacteriostatic water for research preparation




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