About PowerBar Performance Bar Box of 12: The original energy bar. The Powerbar Performance bar delivers sustained energy for a performance edge. Powerbar Performance bars are low on fat and packs 25 grams of complex carbs.FeaturesContains less than 2.5 grams of fat.Contains maltodextrin (a complex carbohydrate from corn), brown rice, and oat bran.Fructose, which comes from corn, grapes, and pears, is the main source of quick energyHigh quality milk protein (lactose removed).Free-form amino acids. More than 200 mg. of high quality, free-form amino acids-leucine, valine and isoleucine100 percent of C, E, and the B-complex vitamins30 to 35 percent of essential minerals such as iron, zinc, calcium, and magnesium. Oat bran in PowerBar provides high quality soluble fiberA twelve-month shelf life, thanks to the mylar wrapperEach box weights 2.5 pounds. See our shipping chart for rates on multiple box orders.