If you notice this sentence of this article:
维生素D 来自我们的皮肤被阳光照射，也来自一些食品。 我们的肝脏先将其转换成25(OH)D, 我们的肾脏然后将其转变为维生素D. 测出的血清25(OH)D的含量不仅提供骨骼健康的信息也有助于预测得癌症和其他疾病的可能性。
It is more important to improve our liver and kidney functions. People with strong liver and kidney function would not be lack of Vitamin D. So taking more vitamin D is one way of making up, but not the best way. It is more important to change your life style and improve your liver and kidney functions.
