The upper limit for vitamin C in adults is 2,000 mg. Individuals with chronic liver disease, gout, or kidney disease are recommended to take no more than 1,000 mg of vitamin C per day. High vitamin C intakes have the potential to increase urinary oxalate and uric acid excretion.
What happens if you take 1000 mg of vitamin C?
Consuming too much vitamin C has the potential to increase the amount of oxalate in your urine, thus increasing the risk of developing kidney stones ( 13 ). In one study that had adults take a 1,000-mg vitamin C supplement twice daily for 6 days, the amount of oxalate they excreted increased by 20% ( 13 ).
Do we need 1000 mg of vitamin C?
Although the tolerable upper intake level for vitamin C is said to be 2,000mg Recommended Nutrients Intake, she says adults should not ingest more than 1,000mg to avoid health risks.
Should I take 500 or 1000 mg vitamin C?
"The safe upper limit for vitamin C is 2,000 milligrams a day, and there is a great track record with strong evidence that taking 500 milligrams daily is safe," he says. Food is the best way to get all your nutrients.
How much vitamin C can the body absorb in one day?
Amount Absorbed You can count on absorbing about 70 to 90 percent of the vitamin C you get from food and supplements, as long as you don't consume more than 180 milligrams daily, according to the Office of Dietary Supplements.
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