Cheerios perfect cereal ?

hey,
what do you guys think of "Cheerios by general mills" it has almost no sugar, full of vitamins fiber and such you can check the nutrition facts here: https://images-na.ssl-images-amazon.com/images/I/819wXDCxQlL._SL1500_.jpg
https://images-na.ssl-images-amazon.com/images/I/71HtvsL3w3L._SX522_.jpg
update: idk if it was the vitamins in the cereal or something , but i have noticed after few days eating these, i wold have huge boner all dam night and rock soild one on the morning and if i had sexual thought my erections would last a really long