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A member asked:
How much time does it take for vitamin d3 supplements to significantly raise vitamin d3 levels?
A doctor has provided 1 answer
1 week or so: My patients report improvements after a week or so. I usually re-test in 3 months if level is significantly low, and often see good levels in the 40's - 60's .. Change will depend upon how low you were to start, and what dose supplement you take..
Answered 7/19/2014
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