Are Hydroxyvitamin D and Vitamin D3 the Same?
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3 min read
According to the National Institutes of Health, vitamin D from food, supplements, or sun exposure is biologically inactive and must be converted by the body. So, are hydroxyvitamin D and vitamin D3 the same? No, they are not; one is the raw material, and the other is a processed metabolite in a multi-step activation process.
