Vitamin C: There is no scientific evidence that large amounts of vitamin C (up to 10 grams/day in adults) exert any adverse or toxic effects. An upper level of 2 grams/day is recommended in order to prevent some adults from experiencing diarrhea and gastrointestinal disturbances. To treat "toxicity"??? stop taking supplements. It should be urinated out quickly.
Answered 11/2/2014
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