How Genetic Variants Impair Vitamin D Production
How Genetic Variants Impair Vitamin D Production By Dr. Emily Brown Reeves, PhD, CNS The prohormone 25-hydroxyvitamin D (calcidiol), which is measured in serum, is the standard clinical measurement for vitamin D status. 25-hydroxyvitamin D is used to assess vitamin D status because it is a stable metabolite with a half-life of 15 days. The active …
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