Special K is a lightly toasted breakfast cereal  manufactured by the Kellogg Company. The cereal was introduced to the United States in 1955. It is made primarily from rice and wheat. Special K is marketed primarily as a low-fat cereal that can be eaten to help one lose weight. The cereal frequently has give-away offers for various health and fitness products or contains dieting information on the back of the box. It is also generally targeted at adults, rather than children.