Miso soup is a traditional Japanese soup made with miso paste 40cal Health Benefits Rich in Probiotics: Miso paste contains probiotics, which promote gut health and aid digestion. High in Protein: Tofu and miso paste provide a good source of protein. Low in Calories and Fat: Miso soup is a light and healthy addition to a meal. Source of Vitamins and Minerals: Contains essential nutrients such as vitamin K, manganese, zinc, and copper. Antioxidant Properties: Seaweed in the soup provides antioxidants that help protect cells from damage.