Because of its wealth in soluble as insoluble fiber, it is also lending to prune slimming virtues. The prune promotes the feeling of satiety and acts like and appetite suppressant. Prune is rich in nutrients and antioxidants, making it a beneficial food for health. It contains vitamins A, C and E, as well as minerals such as iron, calcium and potassium. It is also known for its anti-inflammatory properties and to help regulate blood sugar.