Natto can provide men with rich protein and other nutrients, moderate consumption of men have a certain nutritional value. Natto is a common food in daily life, and its nutrients include protein, fat, carbohydrates, dietary fiber and minerals. Every 100 grams of natto contains 212 calories, of which 17.72 grams of protein, 11 grams of fat, 14.36 grams of carbohydrates, 13 mg of vitamin C, 217 mg of calcium, 8.6 mg of iron. Men eat in moderation is conducive to maintaining the normal physiological function of the body. Natto can be consumed with fruits and vegetables such as carrots, spinach and kiwi, etc., which is conducive to ensuring a comprehensive and balanced intake of nutrients for men. If you are allergic to natto, it is not recommended to consume it, so as not to cause serious allergic reactions.