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DESCRIPTION: To reach the circulating (25-hydroxy) vitamin D levels associated with the lowest overall mortality, one may need to take supplements, given data suggesting suboptimal production from sun even under optimal circumstances. Have a question about this video? Leave it in the comment section at and I’ll try to answer it! Please feel free to post any ask-the-doctor type questions here in the comments section and I’d be happy to try to answer them. This is the fifth video in a nine day series on vitamin D ( Be sure to check out yesterday’s video-of-the-day Vitamin D and mortality may be a U-shaped curve (
Image Credit: Tony Alter / Flickr.
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