讲营养,并不是说价格贵的食物就是营养好。人体所需要的营养素,主要指蛋白质、脂肪、碳水化合物、维生素、矿物质和水、食物纤维七大类四十多种营养素。不管哪一种营养索,长期不足或过多、都会妨碍正常的生理机能。讲营养关键是个平衡问题。西医认为粮、肉、鸡、蛋等含硫、磷、非金属元素较多,在人体内最终代谢产物呈酸性,而蔬菜、水果、牛奶、荼中含钾、钠、钙 Speaking of nutrition, not to say that expensive food is good nutrition. The nutrients the body needs, mainly refers to protein, fat, carbohydrates, vitamins, minerals and water, dietary fiber seven categories of more than 40 kinds of nutrients. No matter what kind of nutrition cable, long-term deficiencies or too much, will hinder the normal physiological function. The key to nutrition is a matter of balance. Western medicine, food, meat, chicken, eggs and other sulfur, phosphorus, non-metallic elements are more acidic in the human body the final metabolites, and vegetables, fruits, milk, tea containing potassium, sodium, calcium