KnowraCalcitriolLinked fromLinked fromThe 6 pages that link to Calcitriol, each with the reason it gives.All 6Broader topic 3Related 3Vitamin DBroader topic: It is the activated product that directly regulates calcium and phosphate handling.Parathyroid hormoneRelated: PTH stimulates its renal production, helping increase calcium absorption from the intestine.Calcium homeostasisRelated: It helps restore calcium by increasing absorption from food.HypoparathyroidismRelated: Treatment often supplies this active hormone form because parathyroid hormone normally promotes its production.CholecalciferolBroader topic: Kidneys convert cholecalciferol’s intermediate into this hormone, which regulates mineral metabolism.ErgocalciferolBroader topic: Further hydroxylation produces the active hormone from ergocalciferol-derived metabolites.