Zinc is an essential mineral involved in many aspects of cellular metabolism. It is necessary for the catalytic activity of many enzymes and plays a role in immune function and protein synthesis.- IMMUNE SUPPORT WITH VITAMIN C - HIGHLY BIOAVAILABLE 90 capsules | 90 portions Vegetable capsules Vitality Range Applied Nutrition's zinc is a highly bioavailable form of chelated zinc. This means easier absorption and faster availability. Zinc plays a major role in the creation of DNA, cell growth and protein construction. Combined with vitamin C, it offers a dual action to support the immune system.