A 39-year-old member asked:
could you tell me what are good sources of vitamin d?
1 doctor answer
Dr. Thomas Namey answered
48 years experience Rheumatology
Sun.: All vitamin d is added to products such as milk. It is usually d3, which is inactive until turned into 25-oh d by the liver and finally 1, 25-dihydroxy-d by the kidney, otherwise called calcitriol. That being said, i believe this: i believe everyone should take at least 2000iu of d3 per day. It is not true that 15 min of sun will give us all we need.
Answered on Jun 13, 2013
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