Tag: 25 hydroxylation

Contrary to what many believe, the liver does not produce the initial form of vitamin D. Instead, it plays a critical and necessary role in the subsequent processing and activation of this hormone after it is first created elsewhere or consumed.

According to the National Institutes of Health, vitamin D is a crucial fat-soluble vitamin, but it is not active in the form we get from sun exposure or food. To make vitamin D useful for the body, you need a multi-step metabolic process involving key organs and the mineral magnesium.