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A comment on Ask HN: Did you overcome a vitamine D deficit? What did you do?.

Re:Ask HN: Did you overcome a vitamine D deficit? What did y... by dddddaviddddd on Thursday February 11, 2021 @08:01PM (#26109662)
How can you test for deficiency?
[ Parent | on HN ]
Re:Ask HN: Did you overcome a vitamine D deficit? What did y... by xchip on Friday February 12, 2021 @04:45AM (#26111997)
Blood test
[ Parent | on HN ]