A hydroxy seco-steroid and synthetic vitamin D2 analogue that undergoes metabolic activation in vivo to form 1α,25-dihydroxyvitamin D2 (1α,25-(OH)2D2), a naturally occurring, biologically active form of vitamin D2. It is used to treat secondary hyperparathyroidism, a condition in which the body produces excess parathyroid hormone (PTH; a natural substance needed to control the amount of calcium in the blood) in certain people with chronic kidney disease.
This entity has been manually annotated by the ChEBI Team.
Any vitamin that dissolves in fats and are stored in body tissues. Unlike the water-soluble vitamins, they are stored in the body for long periods of time and generally pose a greater risk for toxicity when consumed in excess.