1 doctor weighed in:

How long it will take my Vitamin D levels to raise from 19 to healthy level if I took 4000 Iu of Vitamin D daily? Is 4000 adequate dose to supplement?

1 doctor weighed in
Dr. Gurmukh Singh
Pathology

In brief: Yes

4000 units of vitamin D3/day is sufficient.
It may take about three months for your stores of vitamin D to be replenished and the blood level to be at or above 30.

In brief: Yes

4000 units of vitamin D3/day is sufficient.
It may take about three months for your stores of vitamin D to be replenished and the blood level to be at or above 30.
Dr. Gurmukh Singh
Dr. Gurmukh Singh
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