| http://www.w3.org/ns/prov#value | - This is the sixth video in a nine day series on vitamin D. Be sure to check out yesterday???s video-of-the-day Vitamin D supplements may be necessary. elsie blanche Dr. Greger, have you considered the possibility that humans should only be taking in vitamin D from the interaction of the sunshine on our skin, that all forms of vitamin D that we pass through our mouth (both supplements and food sour
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