"Zinc is an essential nutrient required by humans and animals alike. Zinc is a mineral that is vital to healthy living. Zinc is probably most widely known for its ability to prevent colds and shorten the duration of colds. This is because of zincs powerful ability to strengthen the immune system and improve white blood cell count. It plays a variety of biological roles in the body including catalytic, structural, and regulatory roles. It is required to heal injuries, to maintain fertility in adul"