Generally, soybean sprouts can be eaten normally after they turn green and will not cause poisoning. If soybean sprouts are left in the sun for a long time, photosynthesis can occur and a large amount of chlorophyll is produced, resulting in soybean sprouts turning green, which is a normal phenomenon and therefore basically will not have adverse effects on the human body after consumption. Soya bean sprouts contain protein, crude fiber, vitamins, carotene, niacin, as well as calcium, phosphorus, iron and other trace elements. In general, eating soybean sprouts in moderation can help replenish the body’s need for a variety of nutrients, which can help reduce the accumulation of lactic acid in the body and prevent iron deficiency anemia. It is also beneficial for people with hypertension, hyperlipidemia, diabetes, and cerebrovascular disease. In addition, soybean sprouts also contain an interferon agent, which is also good for improving human resistance. However, when buying soybean sprouts, try to avoid choosing those that are too uniform, round and white in color, as they may have used a lot of chemical fertilizers in the cultivation process and may be harmful to the human body after consumption. And you need to pay attention to whether there is an odor, sticky, soft, etc., such a situation suggests that the soybean sprouts deteriorate, should not be eaten. In addition, you should also avoid excessive consumption of soybean sprouts, because the dietary fiber, easy to increase the burden on the gastrointestinal tract, and even cause indigestion, abdominal pain, diarrhea and other symptoms.