Sweet potatoContains low calories but is very satiating, making it an excellent weight-loss food whether used as a main or side dish.Tests show that every 100 grams of sweet potato contain only 0.2 grams of fat,compared torice.Thus, the sweet potato stands out among low-calorie and low-fat foods.In addition, sweet potatoes also contain a balanced range of nutrients.Such as vitamins A, B, C, fiber, potassium, iron, copper, and more than ten trace elements,