Butter can be eaten. Butter contains certain nutrients, such as vitamin E, selenium, iron, etc., moderate consumption, is on the human body has to replenish the energy and nutrients, but one thing to note is that butter is not to be overconsumed, may cause damage to the body. Each 100g of butter contains about 745 calories, usually butter in saturated fatty acids can account for more than 65% of the total fatty acids. Butter eat more easy to cause excessive energy intake, but also easy to cause excessive saturated fat intake, which in turn causes the symptoms of human obesity, increasing the risk of cardiovascular disease. In addition, can not be ignored is that butter is not easy to digest, eat too much, may also affect the peristalsis of the stomach and intestines, indigestion. At the same time, there are some people may be allergic to butter, should be prohibited from eating, to prevent serious consequences.