Vitamin D2 on RX does not work well much at all.
http://www.medicalnewstoday.com/articles/237943.php
The general rule today, is 1000IU D3 for every 10 units you need to raise.
The new recommended low normal is 50 in US.
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All truths are easy to understand once they are discovered; the point is to discover them.-- Galileo Galilei
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Weezie looking at petunias 8.25.2017
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