Wednesday, February 3, 2010

Why does taking more than 250 mgs or vitamin C daily cause false positives on guaiac fecal occult blood tests?

I have never heard of this. I have taken very large doses of vitamin C like up to 3 grams a day, with no bad effects. It did knock the heck out of the cold I was getting though., I have heard that large doses of C will mess with the enamel on your teeth after a while.Why does taking more than 250 mgs or vitamin C daily cause false positives on guaiac fecal occult blood tests?
good question, I have no idea...

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