Dr. Chornes: The Immune System, also known as the Immunological System, of which the lymphatic system comprises is made up of a cellular network of organisms designed to defend the body from internal invaders such as bacteria, viruses, fungus, and parasites. When immunity is low these invaders breach the walls of defense leaving us with sickness. More than just your ordinary Cold & Flu formula, it is a natural Antibacterial, Antifungal, Antiviral, Antiparasitic, and an Immune System Builder. This formula doesn’t come to play its ready to fight! Olive Leaf, Goldenseal Root, Echinacea, Garlic Bulb, Astragalus Root, Oregano Leaf, Cayenne Pepper 160K H.U. Other Ingredients: 100% Pure USP Kosher Certified Vegetable Glycerin, Purified Water. Suggested Use: Add 2-3 dropper full (60 drops) to 2 oz. of water or juice, 2-3 times daily, as needed. Shake well before using. Serving Size 60 Drops Serving per container: 78 2 Fl Oz