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Dehydroascorbic acid (DHA) is an oxidized form of ascorbic acid (vitamin C). It is actively imported into the endoplasmic reticulum of cells via glucose transporters. [1] It is trapped therein by reduction back to ascorbic acid by glutathione and other thiols. [2]
Vitamin C has a definitive role in treating scurvy, which is a disease caused by vitamin C deficiency. Beyond that, a role for vitamin C as prevention or treatment for various diseases is disputed, with reviews often reporting conflicting results. No effect of vitamin C supplementation reported for overall mortality. [104]
Intravenous Ascorbic Acid or PAA, pharmacologic ascorbic acid [1] (also known as vitamin C or L-ascorbic acid), is a process that delivers soluble ascorbic acid directly into the bloodstream. It is not approved for use to treat any medical condition.
An analysis of clinical trials found that people who took at least a gram a day of vitamin C when they had a cold reduced the severity of their cold by 15% and had symptoms for slightly less time ...
Vitamin C and the Common Cold is a popular book by Linus Pauling, first published in 1970, on vitamin C, its interactions with common cold and the role of vitamin C megadosage in human health. [1] The book promoted the idea that taking large amounts of vitamin C could reduce the duration and severity of the common cold .
Vitamin C administration may also acidify the urine and could promote the precipitation of kidney stones or drugs in the urine. [20] Although vitamin C can be well tolerated at doses well above what government organizations recommend, adverse effects can occur at doses above 3 grams per day.
The search for vitamin C always starts with citrus. But it shouldn't end there. There are loads of fruits and vegetables that can put you well on your way to your daily dose of antioxidant, immune ...
One important note: Excess biotin can also "cause incorrect results in certain laboratory tests that look at thyroid levels and blood markers that can help diagnose heart attacks," says Dr. Castillo.