In addition, sweet potato can effectively prevent sugar from being converted into fat, so eating sweet potato will not make you fat, and it is a good slimming and bodybuilding food. In addition to the common protein, there are calcium, iron, zinc, carotene and so on. The vitamin content of sweet potato is also very high, even far exceeding that of rice. Moreover, sweet potatoes are rich in lysine, which is a nutrient that many foods do not have, such as rice noodles. From these data, we can see how rich the nutrition of sweet potato is. In addition, sweet potato also contains a lot of dietary fiber, which is conducive to catharsis and detoxification. So sweet potato is the best choice for many dieters.