Prunes are a nutritious fruit. They are a good source of vitamins, minerals, fiber and antioxidants. Thanks to their rich fiber content, prunes reinforce the regular function of the digestive system. Their fiber and sorbitol content contributes to intestinal health. It's recommended to limit intake at 44-87 grams a day. Prunes contain many vitamins and minerals, as well as fiber and antioxidants that can contribute to reducing the risk for many chronic diseases.