Since 1979: NutriCology has been using only the purest raw materials, with strict quality control. Free of wheat and gluten, dairy, eggs, soy, fish, shellfish, peanuts, tree nuts, and yeast. Suggested Use: Take 1 capsule one to three times daily, or as directed by a healthcare practitioner. Zinc is important for a normal, health immune response, cognitive function, and a balanced mood*. Well-absorbed form of zinc, a trace mineral involved in over 300 enzyme reactions in the body*.