Tofu is particularly high in nutritional value, rich in a variety of nutrients, such as protein, carbohydrates, calcium, phosphorus and so on. When consumed in moderation, it can replenish nutrients and provide energy for the body. The raw material of tofu is soybean, which is a common ingredient. Every 100 grams of tofu contains 346 kilojoules of energy, 8.1 grams of protein, 4.2 grams of carbohydrates, 0.2 milligrams of niacin, 164 milligrams of calcium, 125 milligrams of potassium, 119 milligrams of phosphorus, and other nutrients. Eating it in moderation can replenish the body with needed nutrients and provide energy. Tofu is a good source of protein and calcium. However, consuming too much tofu at one time may cause indigestion, resulting in gastrointestinal discomforts such as bloating, diarrhea and nausea. It is recommended to control the amount of tofu you eat and keep your regular food diversified with a combination of meat and vegetables. Those who are allergic to soy should not consume tofu.