Vitamin D2 or D3
Aug 7, 2014
You've had a few questions lately about vitamin D. I noticed you said you take 4,000 I.U. per day. I was given that prescription for 50,000 I.U. I noticed it said it was D2.
What's the difference? I have read D3 is the already active form. Why choose D3 over D2? I've also heard you still need sunlight to activate vitamin D supplements. It is all very confusing.
Response from Mr. Vergel
I have answered this before:
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