IGF-1 LR3 0.1mg x 10 Vials. IGF-1 LR3 is a modified insulin-like-growth-factor-I designation. The LR3 specification includes an extended amino-terminal region and a residue substitution relative to the parent reference. Those structural features distinguish it from unmodified IGF-1 and from the DES form. Pack: 10 vials. 0.1 mg per vial; 1 mg nominal total across 10 vials. Intended exclusively for controlled in vitro laboratory research; not for human or veterinary use.