Avena sativa, or oat flour, is not harmful when consumed in moderation, but if consumed in excess it may cause indigestion, which can lead to bloating, nausea, and other gastrointestinal discomforts. Avena sativa is flour processed from oat, belonging to a kind of coarse grain. Every 100 grams of oat flour contains 376 kcal of energy, 12.2 g of protein, 67.8 g of carbohydrates, 4.6 g of crude fiber, 3.329 g of polyunsaturated fatty acids, 35 mg of phosphorus, 319 mg of potassium, 146 mg of magnesium, 3.86 mg of manganese, vitamin E7.96 mg and other nutrients. Avena sativa is generally harmless when eaten in moderation, but if eaten in excess it may cause indigestion, resulting in bloating, abdominal pain, nausea and other gastrointestinal discomforts. It is recommended to eat oat noodles in moderation, and food diversification, coarse and fine grains with.