No.: Helps bones, and is strikingly associated with breast, prostate, and colon cancer reductions, up to 50%. Also associated with cardiovascular health and lessens heart attacks and strokes. Vitamin d3 is really a hormone. Daily amounts of 5000iu or less are not harmful. I do 5000iu/day!
Answered 2/8/2014
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A doctor has provided 1 answer
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