GAMMAGARD S/D Immune Globulin Intravenous (Human) [IGIV], IgA less than 1 μg/ml in a 5% Solution (IgA<1 μg/ml ) 10 gram vial, is GAMMAGARD S/D, selected to have an IgA concentration of less than 1 μg/ml of IgA in a 5% solution. GAMMAGARD S/D, Immune Globulin Intravenous (Human) [IGIV] is a solvent detergent treated, sterile, freeze-dried preparation of purified immunoglobulin G (IgG) derived from large pools of human plasma.