What is Zinc?Zinc is trace mineral with a number of roles in bodily function.Zinc benefitsZinc contributes to a number of roles in the body. Included in these are; a contribution to the normal function of the immune system and macronutrient metabolism, a contribution to the maintenance of normal testosterone levels in blood and normal vision and the maintenance of normal skin/hair/nails and normal bones. It also contributes to normal cognitive function and helps protect cells from oxidative stress.Who is Zi