维生素和微量元素是维持人体生命活动必须的一类有机物质,也是保持人体健康的重要活性物质。维生素和微量元素在体内的含量很少,但不可或缺。缺乏维生素和微量元素等营养会导致很多疾病和不适。每天我们都应摄入足够量的维生素,了解营养缺乏的危害及症状,有助于对症下药,及时采取食补或药补措施。 Vitamins and trace elements are a kind of organic substance necessary for the maintenance of human life activities, and also an important active substance for keeping human health. Vitamins and trace elements in the body content is small, but indispensable. Lack of nutrients such as vitamins and trace elements can cause a lot of illnesses and discomforts. Every day we should intake enough vitamins to understand the dangers and symptoms of nutritional deficiencies, help to remedy the problem, and timely take tonic or drug subsidies.