Stay healthy and prevent illness. Replenish important immune-enhancing vitamins and minerals. The Immunity Booster contains electrolytes, Zinc, B-Complex (Vitamins B1/2/3/5/6), Magnesium, and Glutathione. Glutathione, three amino acids, is the Master Antioxidant that can help decrease viral loads and inflammation in the body. Zinc and Vitamin C help increase the production of disease-fighting blood cells.