Contributes to the proper functioning of the immune system Zinc contributes to the normal metabolism of carbohydrates and the normal functioning of the immune system. Vitamins and minerals are essential micronutrients for the proper functioning of our body. Soria Natural's Vitamins and Minerals line has been conceived in the form of sustained release tablets, favoring the release of the active principles in our body at a controlled and sustained speed, for a better use of them. Use tips 1 tablet a day is recommended. Store in a dry and cool place.