Butter is the most nutritious of all dairy products. Butter made from milk is rich in nutrients, including vitamins, minerals, fatty acids, glycated neurophospholipids and cholesterol. Butter cooking is also very fragrant, you can fry steak, toast, coated bread to eat, not only rich in nutrients, and mellow flavor, sweet and delicious. It should be noted that pregnant women, obese people, diabetics should not eat, and men should not eat more.