This video is very good. He talks about the best test for thiamine at about 6 minutes in. He calls it an incorrect name but then quickly corrects himself :
View: https://www.youtube.com/watch?v=mG3m3tbEGU0
wow mate what brand was itGave me blurred vision after taking 100mg for 3 days in a row. Scared me silly and almost had to call out of work. I promptly threw out the rest of the bottle.
@mostlylurking what would cause that effect is it the carbonic anhydrase inhibition
I was gonna try out 500mg every other day... just once a day every other day