5 Myths and Facts About Vitamin C – ABC News

5 Myths and Facts About Vitamin C

Your body can’t store vitamin C, so when you consume more than you need the surplus is eliminated by your kidneys in urine. That doesn’t mean however that big doses can’t create unwanted side effects. Vitamin C is one of the nutrients that has an established Tolerable Upper Intake Level, or UL, essentially the maximum advised intake, from both food and supplements combined. For vitamin C it’s 2,000 mg a day, and while some people may be fine taking in this amount or more, megadoses of vitamin C supplements have been shown to trigger bloating and digestive upset, diarrhea, nausea, vomiting, heartburn, headaches, insomnia, and kidney stones. Bottom line: more definitely isn’t better; just enough is in fact just right!

Cynthia Sass, MPH, RD, is Health’s contributing nutrition editor. She privately counsels clients in New York, Los Angeles, and long distance. Cynthia is also the sports nutrition consultant to the New York Rangers NHL team and the New York Yankees MLB team, and is board certified as a specialist in sports dietetics.

This article originally appeared on Health.com.

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