About this item Zinc: 15 mg of an optimally absorbed form of zinc to support general wellness, healthy skin and connective tissue, eye health, and reproductive health Immune Support: Zinc promotes the optimal functioning of the bodyҳ immune response. Zinc also promotes the activation of a type of white blood cell that helps moderate the bodyҳ inflammatory response during times of immune stress Hormone Health: Zinc supports the body's production of testosterone, a hormone essential for promoting lean muscle mass Free From: Doesn't contain gluten, eggs, tree nuts, peanuts, dairy, yeast, soy, fish, or shellfish Trusted: Thorne is chosen by champions and trusted by 100+ pro teams. Thorne is the only supplement manufacturer to collaborate with Mayo Clinic on wellness research and content. Thorne is also a proud partner of 11 U.S. Olympic Teams