Grape-Nuts is a breakfast cereal developed by C. W. Post in 1897. Post was a patient and later competitor of the 19th-century breakfast food innovator, Dr. John Harvey Kellogg. Despite its name, neither grapes nor nuts have ever been ingredients in the cereal. The cereal is actually made from wheat and barley. Mr. Post believed that sucrose (which he called "grape sugar") formed during the baking process. This, combined with the nutty flavor of the cereal inspired its name. Another explanation originates from employees at Post who claim that the cereal got its name due to the cereal's resemblance to grape seeds or grape "nuts."
Grape Nuts is either eaten with milk, yogurt or orange juice. Grape-Nuts can also be cooked in a microwave.
Grape-Nuts was initially marketed as a natural cereal that could enhance health and vitality, and also as a "brain food." Its lightweight and compact nature, nutritional value, and resistance to spoilage made it a popular food for exploration and expedition groups in the 1920s and 1930s. Just before World War II, Grape-Nuts were included as a component of the lightweight Jungle ration used by some U.S. and Allied forces in wartime operations before 1944.
During the 1960s, advertising for the brand promoted Grape-Nuts as the cereal that "fills you up, not out." Brand users, particularly "mother/daughter look-alikes," were shown engaged in fitness activities such as tennis, horseback riding, ...