Pure Encapsulations Zinc Chewables - 100 Chewable Tablets | Pure Encapsulations Convenient zinc chewable tablet for normal function of the immune systemZinc Chewable provides zinc as a great tasting and convenient chewable tablet. With natural orange flavour. Zinc contributes to the maintenance of normal hair, skin and nails. Zinc also contributes to normal cognitive function and the normal function of the immune system.