Boost your immune system in 7 key ways with CytoDefend - Immune Support, a highly concentrated and portable formula packed with potent and scientifically researched extracts. Created by top nutraceutical research scientists, this formula is designed to support immunity systematically with just a small dropper full a day. Explore the effectiveness of each ingredient, including Bupleurum Root, Elderberry Fruit, Echinacea Herb, Astragalus Root, Licorice Root, Ascorbic Acid, and Zinc Sulfate, for their proven abilities to provide 24/7 protection against attacks on the body. Take 1 to 2 full droppers with 2oz - 4oz of water or juice, 1 to 2 times daily or as needed. Keep a bottle in your pocket or purse for added convenience.