CHICAGO — The Quaker Oats Co. has introduced Quaker Whole Hearts cereal, which features lightly sweetened heart-shaped cereal made from whole grain oats and oat bran. The cereal contains 14 grams of whole grain per serving and is considered an excellent source of vitamins A and C, iron and B vitamins. It’s considered a good source of fiber and vitamins D and E. The cereal has a suggested retail price of $3.39 per 12-oz box.