Raisins are dried grapes. They are rich in nutrition. One cup of raisins is the calorie equivalent of eight cups of fresh grapes. Raisins are a good source of iron, potassium and selenium and also contain vitamin A and some vitamin B.
Raisins are also rich in fiber. Raisins are beneficial for high blood pressure, fluid retention, constipation and anemia. Their high calorie content makes them an ideal snack for anyone involved in sports.