The Institute of Medicine has not set an Upper Limit for thiamin or riboflavin because:

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    thiamin and riboflavin are not typically found in supplements.
     an excess of both is readily cleared by the liver.
     there have only been reports of adverse effects from supplements but not from foods.
     no adverse effects from consuming high amounts of either vitamin from food or supplements has been reported.
asked Jun 25, 2013 in Nutrition by anonymous
    

1 Answer

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no adverse effects from consuming high amounts of either vitamin from food or supplements has been reported.
answered Jun 26, 2013 by Ilovefood ~Expert~ (4,050 points)



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