understanding that true diagnosed beriberi (which diagnosis in this country is
rare even when present) requires IV administration for a while (at least 2 weeks).
Oral doses may be 100-300mg daily orally, in divided doses. Thiamine is
excreted rapidly thru the urine. It is typically non-toxic and inexpensive.
I would test your absorption ability by taking a B-50 and timing when your
urine become bright yellow/green. If this happens, that means you do absorb.
Some people have genetic errors in acetaldehyde dehydrogenase enzymes. These people require high dose thiamine all the time irrespective of oral absorption.
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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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