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Updated 15 January 2015

How much vitamin C do you need?

The current RDA is 90mg for male adults and 75mg for female adults, but some nutritionists say that 1000mg of vitamin C a day can be taken safely over the long term.

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The current RDA is 90mg for male adults and 75mg for female adults, but some nutritionists say that 1000mg of vitamin C a day can be taken safely over the long term. The tolerable upper intake limit (UL) is 2000mg per day.

Click here to view a complete list of RDA and UL values.

 
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