EpiCor is a natural source of poly phenols, antioxidants, beta glucans which support the existing antibodies in the mucous membranes which battle invading germs where they enter
Setria L -Glutathione (reduced) because it is the best available and all your cells depend on it as the master antioxidant
Elderberry extract (Sambucas Niger) because it provides cytokine support. They are the messengers for the immune system and rich in flavonoids and antioxidants
Vitamin C and Zinc Citrate for even more effective results