This powerful all-in-one Immune formula provides advanced support for the immune system. Immune Warrior can be used daily & defensively, as well as when you are experiencing symptoms. Combining 4 immune boosting medicinal mushrooms, plus clinically studied Immudyne beta glucans, and proven immune enhancers NAC, Vitamin C, Vitamin D, Zinc and Glutamine, this product is the new standard in immune system health.