Pinnacle Cold Immune is a botancial blend, antioxidant support formula for immune health. Cold Immune provides botanicals and antioxidants that can support immune function and promote wellness. This product is good for those who want to build resistance so that a state of wellness can be maintained. Every ingredient in Cold Immune can be used on a daily basis, unlike certain "first-aid" type immune products that contain ingredients like Goldenseal. Certain botanicals in this formula are specific to stimulating, promoting and balancing immune response (e.g., Olive Leaf Extract, Astragalus, D-Limonene, Red Reishi and Shiitake Mushroom Extracts, etc.), while other ingredients help to minimize the oxidative damage to tissues (e.g., NAC, Selenium, Lutein, Lycopene, Alpha Lipoic Acid, etc.). In addition, Black Elderberry, Quercetin and Zinc are frequently used for seasonal immune support.