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C Vitamin![]() |
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Vitamin C is reportedly non-toxic even at high doses, since excesses are excreted in the urine.
Some children are sensitive adults can experience nausea, diarrhea, and stomach cramping with high intakes of vitamin C.
Vitamin C might aggravate kidney stone formation in individuals with kidney disease, although this remains unlcear.
Very high intakes of vitamin C can produce false positive results on glucose tolerance test for diabetes.
The Daily Value for vitamin C is 60mg.
Cigarette smoking depletes the body of vitamin C, which is why the RDA for smokers is 100mg.
Although scurvy is prevented with just 10mg. of vitamin C daily, vitamin C needs are much higher during physical or emotional stress, infection, illness, and use of oral contraceptives.
The body's tissues are saturated with vitamin C at daily intakes of 200mg.
Optimal intake of vitamin C might be much higher than the Daily Value; some health experts recommend that adults consume daily between 250mg. and 1,000mg. of vitamin C.