OptiZinc® Zinc Methionine Sulfate Complex Zinc is a trace element which is essential for normal growth, development of the reproductive organs, normal functioning of the prostate gland, healing of wounds, and the manufacture of proteins and nucleic acids (the building blocks for RNA and DNA). It is also necessary for over 100 different enzyme systems in the body.OptiZinc is a registered trademark of Lonza or its affiliates.* Tablet Option Available: 60, 120, 240 Suggested Use: 1 tablet daily with a meal. Allergies: Suitable for vegetarians. Contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no starch, preservatives, or artificial color, flavor or fragrance.