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Purity Products - How Does Vitamin D Work?

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Uploaded by on Feb 12, 2010

This is the second part of a 15 part Vitamin D series. Dr. John J. Cannell, Executive Director of the Vitamin D Council, sat down with Purity Products. Here he explains how vitamin D works.

Order Dr. Cannell's Advanced D here:
http://goo.gl/0rRE8

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Science & Technology

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  • According to some research, the body needs at least 50 ng/ml of 25-hydroxy D to have any appreciable levels circulating in the blood and getting into the cells (and therefore the genes). At levels less than 50 ng/ml, the activated D is apparently stored exclusively in the liver. This is one reason testing is important. Personally (while I am not a doctor), I would recommend aiming for levels of 60-80 ng/ml, based on the research I have seen.

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