IGF-1 Long R3 1000mcgCustomers must be at least eighteen (18) years of age.
Recombinant Human Long-Arg3-Insulin-like Growth Factor – I
Long R3 IGF-1 is a chemically altered version of IGF-1. There is amino acid chains added that prevent it from being broken down and deactivated in the subject. The 83 amino acid equivalent of IGF-1 that is made in a sequence which substitutes the Glu (E) to the Arg (R) at the third position. The structure also has a 13 amino acid extension added by the N terminal. This results in a peptide which is much more biologically active.
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