25 hydroxyvitamin D is the main form of vitamin D in the body.

vit 25 oh dSimilar to other steroid hormones, 1, 25-dihydroxy vitamin D3 regulates tissue cell differentiation and related gene expression, mainly regulating blood calcium level and affecting cell differentiation.

has a high content in blood and a long half-life.

OH

25 0h vitamin d and etc. want to know