Vitamins and minerals are two of the main types of nutrients your body needs to stay healthy and alive. Vitamins help your body grow and function properly. There are 13 vitamins – vitamin A, vitamin C, vitamin D, vitamin E, vitamin K and the B vitamins (thiamine, riboflavin, niacin, pantothenic acid, biotin, vitamin B6, vitamin B12 and folate). Vitamins have different jobs, vitamins help you fight infections, keep your nerves healthy and help your body get energy from food or your blood to clot properly. Minerals also help your body function. Some minerals, like iodine and fluoride, are only needed in very small amounts. Others, like calcium, magnesium and potassium, are needed in larger amounts. As for vitamins, if you eat a varied diet, you will probably get enough of most minerals. In this article we will provide useful information to help users better understand the role of vitamins and minerals.