3 mos: Vitamin d is fat soluble, so once your level is stable on replacement it takes up to 3 mos to decline back to the prior level.
Answered 7/11/2018
5.2k views
Fat soluble: Vitamin d is fat soluble and can stay in your body indefinitely unless it is used up by not replenishing it.
Answered 12/11/2013
4.7k views
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