Vitamin D has been the subject of intensive research which has greatly increased our understanding of vitamin D deficiency. This research has also expanded the range of therapeutic applications available for cholecalciferol. Physiologic requirements for vitamin D may be as high as 4000 IU per day.
Vitamin D, Olive oil
As a dietary supplement, one (1) drop daily or as directed by your health care professional. 2,000 IU per drop.
