Nutraxin Immune-S; 1.3 - 1.6 Beta-Glucan in the improved formula, which is a special form containing a combination of Black Cumin Seed Extract, South African Geranium Root Extract and Ginger Root Extract. Vitamin C, which is very important in seasonal changes, is also found in Nutraxin Immune-S."Vitamin C contributes to the normal function of the immune system."