25-hydroxyvitamin DDeficiencyPhosphorus-calcium metabolismVitamin D is unique among vitamins, as it acts as a hormone and may be synthesized in the skin from exposure to sunlight. In addition to its effects on phosphorus-calcium metabolism, recent evidence correlates insufficient levels of vitamin D ...
Daily reference intakes of vitamin D supplements (800-1,000IU) may be insufficient to achieve optimal serum levels of vitamin D in postmenopausal osteoporotic women.doi:10.1016/j.medcli.2011.07.024José IvorraElia VallsNagore Fernández-Llanio Comella...