Zinc is an essential trace mineral found in the body that is used for multiple health roles. It was dubbed essential in 1934 when scientist found it in virtually every tissue and tissue fluid in the body. The roles of zinc include immunity, because of its antioxidant properties; brain development; and reproduction. Supplementation of zinc may improve glucose tolerance, lower risk for some eye disease, reduce some symptoms of the common cold and possibly improve some behavioral disorders.
Zinc may improve glucose tolerance, improve eye functioning, and regulate mood.