IGF-1 LR3 Pen is an extended-release format of the insulin-like growth factor, engineered for higher molecular stability and a prolonged activity window of 20–30 hours. This peptide enhances anabolic processes, supports muscle fib...
IGF-1 LR3 Pen is an extended-release format of the insulin-like growth factor, engineered for higher molecular stability and a prolonged activity window of 20–30 hours. This peptide enhances anabolic processes, supports muscle fiber growth and repair, accelerates amino acid transport, and stimulates cellular regeneration. Due to its increased bioavailability, IGF-1 LR3 maintains a long and sustained anabolic signal, making it a key component in recovery protocols, strength development, and body-composition optimization.
IGF-1 LR3 activates IGF-1 receptors and initiates the PI3K/Akt/mTOR cascade - the primary regulatory pathway responsible for muscle hypertrophy, protein synthesis, and tissue repair. Clinical observations indicate that LR3 can accelerate hypertrophic response by 20–30% when combined with adequate training and nutritional support.
The pen format ensures controlled, precise, and sterile administration, essential for long-term athletic and performance-oriented programs.
Effects of IGF-1 LR3
• stimulates muscle growth through mTOR pathway activation
• accelerates recovery after training sessions and micro-injuries
• enhances amino acid utilization and protein synthesis
• supports reduction of body fat through improved metabolic sensitivity
• strengthens neuromuscular connection and overall muscle contraction quality
• increases training capacity, endurance, and performance output
Why Choose IGF-1 LR3
• extended stability and longer activity compared to standard IGF-1
• potent anabolic support for strength and functional training
• visibly improves muscle density, definition, and overall physique
• synergizes with GH mimetics, CJC-1295, Ipamorelin, and AOD-9604
• ideal for long-term body-recomposition and performance programs
IGF-1 LR3 Pen is designed for athletes and individuals seeking accelerated muscle growth, enhanced recovery, and a stronger training response. It is used in strength-focused systems, performance enhancement protocols, clean bulking phases, and high-load recovery periods.