Listen to your body: In canada one can not get sufficient vit d from sun from sept to april because of the slant of the sun. Tobacco, alcohol, stress, and lack of exercise lower vit d levels possibly through effects of free cadmium. In addition to taking supplemental vit d3 up to 10, 000 units a day with vit k2 100mcg a day it is a good idea to optimize health.
Answered 3/15/2014
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