Since 1947 Antioxidant, Skin & Immune System Support Gluten, Wheat & Dairy Free Suitable for Vegetarians Kosher Parve Dietary SupplementZinc promotes healthy skin, hair and nails, supports normal taste and vision, and promotes the synthesis of collagen in bone tissue. It also supports cell growth and DNA formulation. It exerts antioxidant activity and can support a healthy immune system.