Each capsule is a virtual phytonutrient salad of select natural extracts from berries, roots, leaves, bark, & mycelia, which are thought to be enable to support immune function. One capsule contains Ingredients: Astragalus Root (from China)200 mg Ligustrum Berries (from China)100 mg Schisandra Berries 100 mg Shiitake Mushrooms (from Japan)100 mg Echinacea Root 100 mg Young Barley Leaves 50 mg Pau D' Arco Bark (from Argentina)50 mg Silica, gelatin, glycerin & water. These statements have not been evaluated by the Food & Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Hypo-Allergenic, Contains no yeast, wheat, corn, soy or milk.