The next time you need an energy boost try some dried raisins instead of your sports nutrient bars. A new study has suggested that raisins can help power the body when exercising just as well as expensive sports nutrient bars. The dried grapes give athletes all they need during vigorous exercise. The research team studied people running three miles giving them raisins supplement bars or simply water. Runners who ate raisins or bars ran the distance a minute faster on average than those who had only water. The results are published in the Journal of the International Society of Sports