Have the results of the ancillary study of the VITAL trial, demonstrating that Vitamin D3 supplementation did not reduce the incident rate of fractures in generally healthy midlife and older adults, changed how you prescribe Vitamin D?  

It should be appreciated that the function of vitamin D is to maintain a serum calcium concentration in a normal range to maintain neuromuscular function and most metabolic functions. It can accomplish this by increasing intestinal calcium absorption. When there is inadequate calcium in the diet, th...

I prescribe vitamin as it has potential benefits and no harm.