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Old 02-11-2015, 01:49 PM
Mark in Idaho Mark in Idaho is offline
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Mark in Idaho Mark in Idaho is offline
Legendary
 
Join Date: Feb 2009
Location: Somewhere near here
Posts: 11,418
15 yr Member
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I would not worry about 663 iu's. The valid studies use much higher doses as the limit (2000 mgs). The 400 iu study was in a group of high risk subjects, not the normal population. It has been discounted.
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