Eidon Immune Support is an incredibly effective formulation designed to support and maintain a healthy immune system. The blend of Zinc, Selenium, Sulfur and Silver is a combination optimized to give the body essential mineral nutrients to effectively and naturally deal with seasonal challenges. Eidon Immune Support can also be used topically. This mineral blend is a must for every medicine cabinet and every traveler! Role of each element- Selenium: Essential for proper thyroid function, i.e. energy production Promoting healthy liver function Zinc: Necessary for the production of white blood cells, Supports proper immune response, Catalyzes the superoxide dismutase enzyme Sulfur: Catalyzes the enzyme glutathione, which is made in the liver and used to neutralize cellular metabolic waste products. Essential for all cellular functioning and certain amino acids Silver: Used for centuries by cultures around the world for its rejuvenating properties. Easy on the stomach. Safe for all ages.