Vitamin C, in high doses, could increase kidney stone risk

February 5, 2013

Authors of the study said this is important information for the public to be aware of.

Those with a history of kidney stones should consult their doctor before taking high doses of Vitamin C supplements.

Researchers have suspected that large amounts of Vitamin C may increase kidney stones because the body breaks down the vitamin into a substance called Oxelate a component of the stones.

The U.S. government currently recommends about 75- to 90 milligrams as a safe amount for most adults.

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