Information on the latest vitamin D news and research.

"If only 33% of the patients in the vitamin D group achieved vitamin D sufficiency after 7,000 IU per day I find myself wondering if this is due to either high body weight or a vitamin D supplement that did not contain what the label says."

Vitamin D deficiency

Am I deficient in vitamin D?

How to know if you get enough

How do I get the vitamin D my body needs?

How to get sun safely and supplement effectively

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