Possible D3: Most people say that d3 is better than d2 but the evidence suggest that either is fine.
Answered 1/12/2021
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Vit D: All of the otc vit d is d3 which is what you want dose kind of depends on your wt and present level tons of good info at vitamindcouncil.Org my usual dosing formula is ~ 1000 iu/25# body wt get recheck of level in ~ 3 months almost everybody is vit d deficient.
Answered 3/11/2014
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