February 10, 2017
Vitamin D is necessary in order to absorb Calcium from your diet. Your skin can make some Vitamin D from the Mid-day Sun, but only in the “summer”. The sun is high enough...
February 2, 2014
Punxsutawney Phil saw his shadow today. Six more weeks of winter. But NINE more weeks before we can get ANY Vitamin D from the sun in Iowa. Here the sun is...
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...