manganese, potassium, calcium, iron, magnesium, zinc, fluoride and selenium, and Vitamin E and B. All the things you want and need in your body.
What?? You eat power bars for energy? Do you know what you are putting in your body? Think of it like fighting, the simple is the best. The fancy pretty kick usually loses against the simple front snap to the face. Compare the list for your self. My general rule is that if a 6 year old doesn't know what it is, I shouldn't eat it.