Consumer Reports agrees that Cheerios is one of the best cereals for kids. Low in sugar and high in whole-grain oats, it's a win-win. It also contains 40% of the daily value (DV) of iron, which is important for growing children (especially toddlers). Its nutty taste makes it a favorite with milk, in homemade trail mix, or on its own as a snack.
Cereal Stats: Whole grains: 16g, Sugar: 1g, Fiber: 3g
Runner Up: Trader Joes Os is almost identical and is a bit more economical.