It is feasible to eat sweet potatoes to lose weight, but it is not useful at any time. It also has two sides when used to lose weight. The reason why sweet potatoes have a weight loss effect is because they contain more than 10 kinds of trace elements and sub-nutrients. Oleic acid and a large amount of dietary fiber, these substances can stimulate intestinal defecation and detoxification, thereby facilitating weight loss. The best time to eat sweet potatoes to lose weight is in the morning. Firstly, morning is the time when the body automatically detoxifies. Secondly, sweet potatoes can speed up intestinal peristalsis and promote smooth intestinal bowel movement. This is beneficial to detoxification and weight loss, but be careful not to overdo it. Eat, eat more and you will be full. Why is it said that eating sweet potatoes in the evening is not conducive to weight loss? Because sweet potatoes are starchy foods. If there is too much sugar in them, the body cannot absorb it completely or it will easily produce gas during the digestion process. If it is not digested while sleeping, Gas can cause bloating, hinder sleep, and turn sugar into fat. At the same time, sweet potatoes are nutritious whole grain foods, but they should not be eaten too much. Sweet potatoes contain oxidase, and enzymes can easily cause the gastrointestinal tract to produce carbon dioxide gas. If there is too much, it will make people burp or fart, and even worse. It will cause abdominal distension and make people feel uncomfortable. Generally, the best amount of sweet potatoes per day is about 200-300 grams. It should also be noted that sweet potatoes can be eaten alone as a staple food. Sweet potatoes themselves lack protein and lipids and are not nutritious. It is best to eat them with other vegetables or fruits or protein foods, such as pickles and salty soup or sweet potatoes. Dice, cook porridge, etc. We should also pay attention to some tips when choosing sweet potatoes. Let’s not talk about freshness. Some sweet potatoes are also inedible, such as those with black or brown spots on the skin, uneven surfaces with small black holes, and smell of mold. (Moldy sweet potatoes contain ketone toxins and should not be eaten), sprouted sweet potatoes (although sprouted sweet potatoes are not as poisonous as potatoes, they taste very bad).