Yellow raisinsRaisins are naturally sweet and high in sugar and calories, but they also contain fiber, antioxidants, and important minerals like iron. The shriveled yellow, brown, or purple morsels known as raisins are actually grapes that have been dried in the sun or in a food dehydrator. Raisins are naturally sweet and high in sugar and calories, but theyre beneficial to our health when eaten in moderation. In fact, raisins can aid digestion, boost iron levels,