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Vitamin D levels are dropping rapidly – what you need to do

Update: Reasons for Low Vitamin D and what to do

For more information, see wiki page http://www.vitamindwiki.com/tiki-index.php?page_id=1586

10,000 IU of vitamin D is great. I have been having that much for the past 4 summers. (more in winter)

Many ways to increase your vitamin D levels

Some people have a high risk of having low vitamin D

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