Jamiesons Zinc products are made from gluconate providing the most highly absorbable forms available. Zinc functions as an antioxidant and maintains normal taste and smell. It promotes normal growth and development and aids in wound healing. Zinc promotes cell division cell repair and cell growth and is essential for normal fetal growth and the synthesizing of RNA and DNA. Zinc also maintains normal levels of Vitamin A in the blood. All minerals produced by Jamieson Laboratories are guaranteed free from toxic metals.