Eating a nutritious cereal is a great way to start the day. Some of the healthiest cereals on the market include Kellogg’s Special K, Cheerios, Kashi GoLean, and Quaker Oats. Special K is a lower-calorie cereal that is high in protein and fiber. Cheerios is a good source of whole grains and is low in fat and sodium. Kashi GoLean is a high-fiber cereal made with whole grain oats and is a good source of protein and fiber. Quaker Oats is a whole grain cereal that contains essential vitamins and minerals. Eating a healthy cereal can help you get the nutrients you need to start your day off right.