That is great about your Vit D.
The reason Metanx is RX is that it has 1mg or more of folate in it.
That is the only reason. FDA requires an RX for 1mg or more of folic acid or folate.
It is up to you to decide when to start it. It should be taken on an empty stomach for best absorption.
You haven't been on B12 at all before?
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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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