As a food, black rice does not have the efficacy and effect of drugs, but only to supplement the body with nutrients and provide energy. Every 100 grams of black rice contains 341 kilocalories of energy, 9.4 grams of protein, 72.2 grams of carbohydrates, 3.9 grams of crude fiber, 147 milligrams of magnesium, 256 milligrams of potassium, 356 milligrams of phosphorus, 177.62 milligrams of sulfur, 0.22 milligrams of vitamin E, 7.9 milligrams of vitamin B₃, and 810 milligrams of leucine, and many other nutrients. Black rice is a common food, belongs to a kind of coarse grains, can be consumed with most of the food, and does not have the efficacy and effect of drugs. Moderate consumption can replenish the body with needed nutrients and provide energy. However, excessive consumption may cause indigestion, resulting in gastrointestinal discomfort such as abdominal pain and bloating. Therefore, when eating black rice, pay attention to control the amount and do not overeat to avoid discomfort.