vitamin D calciferol Includes both forms of vitamin D D2 or D3 none – Refers specifically to the permitted forms of vitamin D forms - dietary vitamin D under the ANZFSC Includes both inactive and active products derived vitamin D metabolites - from vitamin D2 or vitamin D3 Precursor to vitamin D3 found in the skin of most 7-dehydrocholesterol - none terrestrial animals Precursor of vitamin D3 , formed by action of previtamin D3 precalciferol none (sunlight) on 7-dehydrocholesterol Vitamin D that is photosynthesised in the skin of vitamin D3 cholecalciferol D3 animals and humans 25-hydroxy vitamin 25-hydroxy The main circulating metabolite derived from 25OHD3 D3 cholecalciferol vitamin D3 1,25-dihydroxy 1,25-dihydroxy Main physiologically active metabolite derived 1,25(OH)2D3 vitamin D3 cholecalciferol from vitamin D3 vitamin D2 ergocalciferol Vitamin D that is derived from certain fungi D2 25-hydroxy vitamin 25-hydroxy The main circulating metabolite derived from 25OHD2 D2 ergocalciferol vitamin D2 1,25-dihydroxy 1,25-dihydroxy Main physiologically active metabolite derived 1,25(OH)2D2 vitamin D2 ergocalciferol from vitamin D2 calcifediol or Generic term to include both 25OHD2 and 25-hydroxy vitamin D 25OHD calcediol 25OHD3 metabolites 1,25-dihydroxy The active metabolite derived from either vitamin Calcitriol 1,25(OH)2D vitamin D D2 or vitamin D3 Vitamin D binding protein binds to vitamin D or its vitamin D binding - metabolites to produce a complex which circulates DBP protein in the blood.
vitamin D calciferol Includes both forms of vitamin D – D2 or D3 none vitamin D forms - Refers specifically to the permitted forms of dietary vitamin D under the ANZFSC vitamin D metabolites - Includes both inactive and active products derived from vitamin D2 or vitamin D3 7-dehydrocholesterol - Precursor to vitamin D3 found in the skin of most terrestrial animals none previtamin D3 precalciferol Precursor of vitamin D3 , formed by action of (sunlight) on 7-dehydrocholesterol none vitamin D3 cholecalciferol Vitamin D that is photosynthesised in the skin of animals and humans D3 25-hydroxy vitamin D3 25-hydroxy cholecalciferol The main circulating metabolite derived from vitamin D3 25OHD3 1,25-dihydroxy vitamin D3 1,25-dihydroxy cholecalciferol Main physiologically active metabolite derived from vitamin D3 1,25(OH)2D3 vitamin D2 ergocalciferol Vitamin D that is derived from certain fungi D2 25-hydroxy vitamin D2 25-hydroxy ergocalciferol The main circulating metabolite derived from vitamin D2 25OHD2 1,25-dihydroxy vitamin D2 1,25-dihydroxy ergocalciferol Main physiologically active metabolite derived from vitamin D2 1,25(OH)2D2 25-hydroxy vitamin D calcifediol or calcediol Generic term to include both 25OHD2 and 25OHD3 metabolites 25OHD 1,25-dihydroxy vitamin D Calcitriol The active metabolite derived from either vitamin D2 or vitamin D3 1,25(OH)2D vitamin D binding protein - Vitamin D binding protein binds to vitamin D or its metabolites to produce a complex which circulates in the blood. DBP