I do give my daughter the power drink, although I am not too comfortable with the caloric content.  I worry about that because she LOVES it and would drink it all day if I allowed her too.  I switched to the propel water, tastes terrific, the lemon flavor tastes like lemonade and it only has (as memory serves) 10 calories per 8 ounces.  I believe Gatorade has put that one out.