The Vitamin C in a dried plum provides certain health benefits. Vitamin C is an important water-soluble vitamin that is responsible for repairing cells, boosting immunity and slowing down the aging process. Dried plums also contain soluble fiber, which is known for being cardio-protective and helpful in reducing bad cholesterol. In addition, dried plums contain, phytonutrients, particularly phenols, which have antioxidant effects.