Recommended by practitioners to support the immune system. High strength one a day product. Provides a full 250mg of 1,3/1,6 beta glucans. Includes vitamin D3 at 25µg, 150mg of vitamin C plus 10mg of zinc and 110µg of selenium since all these nutrients support the immune system.DirectionsTake one tablet daily.IngredientsBulking Agents (Cellulose & DiCalcium Phosphate), Anti-caking Agents (Silicon Dioxide, Stearic Acid & Magnesium Stearate), Glazing Agents (Hydroxypropyl Methylcellulose, Glycerol), Vitamin D3, Vitamin C, Zinc (as citrate), Selenium (as selenite), Yeast (Saccharomyces Cerevisiae)Allergen InformationVegetarian,Hypoallergenic,AdditivesSweeteners and AdditivesBulking Agents (Cellulose & DiCalcium Phosphate), Anti-caking Agents (Silicon Dioxide, Stearic Acid & Magnesium Stearate), Glazing Agents (Hydroxypropyl Methylcellulose, Glycerol)