Question: are apple jacks bad for you?
Answer: Shouldn't: Apple Jacks According to Cheat Sheet, Apple Jacks cereal is also heavy on the sugar. Eating a bowl (or more) each morning can add a lot of extra, unnecessary sugar to your daily diet. Don't be fooled by the fruit in the name — every one-cup serving of Apple Jacks contains a whopping 12 grams of sugar.