| http://www.w3.org/ns/prov#value | - One is that you may not be able to modify it, to get the 25-hydroxy vitamin D, and secondly if you have a fat malabsorption problem where you can???t absorb dietary fat, since vitamin D is a fat-soluble vitamin, then you can???t absorb vitamin D and you become deficient in vitamin D. Then if you have any kind of kidney disease, you need either activated vitamin D or one its analogs in order to be
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