IGF-1 LR3

IGF-1 LR3 (Insulin-like Growth Factor-1 Long Arginine 3), also designated as Long R³-IGF-1 or LR³IGF-I, is a highly potent synthetic analog of human insulin-like growth factor-1 (IGF-1) that has been engineered with two specific molecular modifications to dramatically enhance its biological activity, tissue penetration, and pharmacological utility compared to native IGF-1.