Dihydroxyvitamin D3

Dihydroxyvitamin D3 may refer to:


 * 1,25-Dihydroxycholecalciferol (1,25-dihydroxyvitamin D3)
 * 24,25-Dihydroxycholecalciferol (24,25-dihydroxyvitamin D3)
 * Tacalcitol (1,24-dihydroxyvitamin D3)