| PubChem = 134070 | DrugBank = APRD00246 | C=27 | H=44 | O=3 | molecular_weight = 416.64 g/mol | bioavailability = | metabolism = Renal | elimination_half-life = 5–8 hours | excretion = Renal | pregnancy_category = B3 (Au), C (U.S.) | legal_status = S4 (Au), POM (UK) | routes_of_administration = Oral, IV, topical }} Calcitriol (INN) or 1,25-dihydroxycholecalciferol (abbreviated 1,25-(OH)2D3) (also known as calitrol) is the active form of vitamin D found in the body (1,25(OH)2D3). It inc… (More on Calcitriol)