Vitamin D is a group of fat-soluble prohormones, which can be obtained from sun exposure, food and supplements. Vitamin D is biologically inactive and converted to the biologically active calcitriol via double hydroxylation in the body.
This entity has been manually annotated by the ChEBI Team.
Vitamins like A, D, E and K that dissolve in fats and are stored in body tissues. Unlike the water-soluble vitamins, these are stored in the body for long periods of time and generally pose a greater risk for toxicity when consumed in excess.