IGtropin
Active Ingredient: LongR3 IGF-1
Long R3 IGF-1 is an 83 amino acid analog of IGF-1 comprising the complete human IGF-1 sequence with the substitution of an Arg(r) for the Glu(e) at the position three, hence R3, and a 13 amino acid extension peptide at the N terminus. Thi9s analog of...