IGF-1 LR3 1mg

IGF-1 LR3 (Insulin-like Growth Factor 1 Long Arg3) is a laboratory-engineered variant of IGF-1, a protein essential for growth, development, and cellular repair. While it closely resembles the naturally occurring IGF-1 in the body, its structure has been modified by replacing the amino acid at position 3 with arginine.

This alteration gives IGF-1 LR3 a much longer half-life, enabling it to remain active in the bloodstream for extended periods. As a result, its biological effects are prolonged. Within the bodybuilding and fitness community, it is valued for its potential to support muscle growth, enhance fat reduction, and accelerate recovery.