Vitamin C contributes to the normal functioning of the immune system. Vitamins and minerals are essential micronutrients for the proper functioning of our body. Soria Natural's line of Vitamins and Minerals has been designed in the form of sustained release tablets, allowing the active ingredients to be released into our body at a controlled and sustained speed, for better use of them. Use tips 1 tablet per day is recommended. Store in a cool, dry place.