Aqueous Zinc™ may be used as a supplemental source of zinc in an aqueous form. It may also be utilized as a source of zinc for the zinc tally test (zinc taste test). Directions: Two (2) teaspoons (10 ml) one (1) to two (2) times each day as a dietary supplement or as otherwise directed by a healthcare professional. Active Ingredients: Zinc (as zinc sulfate heptahydrate). Other Ingredients: Purified water. This product is gluten and dairy free.