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

Re:Ask HN: Did you overcome a vitamine D deficit? What did y... by xchip on Friday February 12, 2021 @04:44AM (#26111994)
Were your results validated with blood tests?
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Re:Ask HN: Did you overcome a vitamine D deficit? What did y... by LinuxBender on Friday February 12, 2021 @07:02AM (#26112742)
CAC tests, yes. I have tested Vitamin D (25-hydroxy) and I was low but I am skeptical of the tests overall value. People that have, or are recovering out of metabolic syndrome need more than those who are otherwise healthy. 25-hydroxy still has to be converted by the kidneys to 1 alpha hydroxylase. I have not found a lab that will test for this yet.
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