Is Alphacalcidiol Vitamin D2 or D3
by moutaz
(Doha)
My doctor has Prescribed for me 1mcg of alfacalcidol is it D3 or D2?
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Hi Moutaz,
If your doctor prescribed it, then it is Vitamin D2. All Prescription Vitamin D is vitamin d2 no matter what name is says it is.

Kerri Knox, RN- The Immune System Queen
Functional Medicine Practitioner
Immune System