Vitamins and minerals are essential nutrients that our bodies need to function properly. This document provides information on key vitamins and minerals, including their uses, food sources, potential deficiencies if intake is inadequate, and consequences of excess intake. It discusses vitamins A, D, E, K, B1, B2, B3, B12, and C and minerals such as sodium, calcium, iodine, iron, phosphorus, fluorine, carbohydrates, fat, and protein.