IGF-1 LR3

What It Is

IGF-1 LR3 (Long Arg3 Insulin-like Growth Factor-1) is a synthetic peptide derived from IGF-1, a naturally occurring growth factor structurally similar to insulin. The “LR3” modification extends the peptide’s half-life in circulation, making it significantly more stable and active than native IGF-1.
Research has focused on IGF-1 LR3’s ability to stimulate protein synthesis, encourage cell proliferation, and aid in the growth and repair of muscle and connective tissue. Its amino acid sequence consists of 83 amino acids, with an arginine substitution at the third position that increases stability and potency.

Benefits (Research Has Shown)

• Muscle Growth & Hypertrophy: Research indicates IGF-1 LR3 can activate pathways that promote muscle fiber growth and regeneration.
• Protein Synthesis Enhancement: Studies show IGF-1 plays a role in stimulating protein metabolism, supporting repair and development.
• Recovery & Healing: IGF-1 LR3 has been studied for accelerating recovery after exercise-induced muscle damage or injury.
• Cellular Growth: Research suggests it supports the proliferation of satellite cells, crucial for muscle repair and strength development.
• Potential Neuroprotective Roles: Some studies have investigated IGF-1 for its role in protecting neurons and supporting cognitive health.

Who Might Use It

• Sports science researchers: Interested in studying IGF-1’s impact on muscle growth, recovery, and athletic performance.
• Medical research groups: Exploring its potential role in healing injuries, muscle-wasting conditions, and metabolic regulation.
• Longevity and wellness studies: Research into IGF-1 LR3’s cellular repair properties often includes anti-aging and regenerative medicine contexts.
• Cognitive research teams: Some groups investigate IGF-1’s role in brain health and neuroprotection.

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