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       #Post#: 4199--------------------------------------------------
       Vitamin D toxicity?
       By: agate Date: October 26, 2023, 1:32 am
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       One topic that comes up often in MS groups is the need for
       vitamin D3 supplementation. Is it a good idea even if your
       vitamin D level is in the normal range? Do people with MS
       benefit by keeping their vitamin D levels high? And especially
       this one: Is it possible to take in too much vitamin D?
       Today my primary care doctor said it was time to check my
       vitamin D level, and so that was done. Some years ago, when the
       doctor (a different doctor at the time) suggested a vitamin D
       supplement even though my vitamin D level wasn't low, she said
       she'd like to get it as close to 80 as possible.
       Today I scored 78.  The test result included an interesting
       list:
       For persons over 18:
       deficiency: <20ng/mL
       insufficiencey: 20-29ng/mL
       optimum level: 30-80ng/mL
       high: 81-150ng/ML
       toxic: >150ng/mL
       So it looks as if a person's vitamin D level would need to be
       mighty high to be considered toxic.  I'm tempted to conclude
       that vitamin D toxicity might be pretty rare.
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