Shop › Semax Image 1 of 1 Semax $149.00 Semax Kit — Each vial contains 10 mg of Semax.Each kit includes a total of 10 vials (100 mg per kit). Add To Cart Added! Semax Kit — Each vial contains 10 mg of Semax.Each kit includes a total of 10 vials (100 mg per kit). >99% Purity (HPLC).