This isn’t an easy topic to write about nor is it an easy topic to find information about since it’s quite complex.
Vitamin C For Kidney Function
The recommended dietary allowance for vitamin C is 90 milligrams (mg) for adult men and 75 mg for adult women. When you consume excess vitamin C, your kidneys process the nutrient and help your body excrete it through urine. Too much vitamin C can cause a buildup of oxalate in your body if you have chronic kidney disease.
Therefore, your vitamin C needs may be different if your kidneys aren’t working well or you’re on dialysis. Dialysis can also deplete your blood of vitamin C. Research from 2012 found that people on dialysis can help increase their iron absorption by taking a low-dose vitamin C supplement of 60 to 100 mg.
Vitamin C And Kidney Cancer
However, high levels of vitamin C are not recommended for people with kidney cancer, as it could do more damage.
Vitamin C and kidney stones High doses of vitamin C can increase your risk of the most common type of kidney stone, calcium oxalate. Kidney stones happen when waste accumulates and clumps together in your kidneys, causing pain and difficulty urinating. More than half a million people seek emergency care for kidney stones every year, according to the National Kidney Foundation.
Generally speaking, the vitamin C people get from food isn’t likely to be high enough to lead to kidney stones. A 2013 study on 23,355 men found that those who took vitamin C supplements experienced double the rate of kidney stones. Understanding vitamin C Our bodies can’t make vitamin C. Instead, we get it from food or supplements.
It can be hard to assess our vitamin C levels because the nutrient is found all over the body. Researchers often use the blood concentration of vitamin C to figure out how much of the vitamin is in a person’s body. Sources of vitamin C Most people can meet their vitamin C needs through foods.
Talk with your doctor before taking a vitamin C supplement.
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Ascorbate represents one of the most prominent antioxidants both in plasma as well as intracellulary, exerting beneficial effects by an inhibition of lipid peroxidation and by reducing endothelial dysfunction. Unsupplemented dialysis patients have reportedly lower plasma levels of ascorbate in comparison to healthy controls, mostly due to a loss into the dialysate or, in case of not dialyzed patients, increased urinary losses. Currently, 60 mg of ascorbate are recommended for chronic kidney disease patients, and 1-1.5 g of oral ascorbate/week in case of suspected subclinical ascorbate deficiency or 300 mg parenteral ascorbate/dialysis session, respectively.