联系我们联系我们
The term vitamin D refers to two fat-soluble compounds that play an important role in the body's metabolism of calcium and phosphorous. Calciferol, or vitamin D2, and cholecalciferol, or vitamin D3, are now understood to be hormones, but continue to be described as vitamins due to their historical classification as such.
对不起,此内容在您的国家不适用。
您即将被转换到我们的本地网站。