IGF-1 LR3 (Insulin-like Growth Factor 1 Long R3) 100 mcg Injection is a synthetic peptide analog of natural IGF-1, designed to promote muscle growth, repair, and recovery. It enhances protein synthesis, supports cell regeneration, and improves nutrient transport to muscle tissues, leading to increased strength and lean muscle mass. The modified LR3 version has a longer half-life, ensuring prolonged biological activity and greater effectiveness. IGF-1 LR3 Injection also aids fat metabolism and overall performance enhancement. It is primarily intended for research or therapeutic use under professional supervision and should only be administered as directed by a healthcare specialist.