Hard question: Because a person may be getting varying amounts of vitamin d from the sun , how long it takes to build up or deplete will vary. That being said, vitamin d from food or supplements have a half-life of 20-30 days, therefore a month should be plenty of time to build up in the system. Thank you.
Answered 12/26/2022
5.9k views
It Depends: This depends on many factors such as: 1) what is your vitamin d level? 2) what is the reason for your deficiency?
Answered 8/29/2017
5.9k views
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