July 22, 2015
Determining the correct 25-hydroxy Vitamin D level is still a work in progress. In the 8 years I have been attending meetings, we have made considerable progress. NOF 2007 was...
October 20, 2013
A patient recently insisted on Vitamin D2 instead of D3. She told me that she always uses plant sources because they are “more natural”. Indeed Vitamin D2 (Ergocalciferol) is more...
October 22, 2012
Vitamin D was the topic of a symposium attended by hundreds of clinicians at the American Society for Bone and Mineral Research (ASBMR) 2012 meeting. Vitamin D3, D2, 25-hydroxy, 1-25-dihydroxy,...
December 16, 2011
Vitamin D2 and Vitamin D3 are not the same, and definitely not equal. D2 and D3 are similar pre-hormones, but different. D2 (Ergocalciferol) is the plant version. D3 (Cholecalciferol) is...