Skip to Content


Pronunciation: de-hi'dro-ko-les'ter-ol

Definition: A zoosterol in skin and other animal tissues that on activation by ultraviolet light becomes antirachitic and is then referred to as cholecalciferol (vitamin D3).

Synonym(s): provitamin D3

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.