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Vitamin C megadosage is a term describing the consumption or injection of vitamin C (ascorbic acid) in doses well beyond the current United States Recommended Dietary Allowance of 90 milligrams per day, and often well beyond the tolerable upper intake level of 2,000 milligrams per day. [1]
There is no evidence that vitamin C supplementation decreases the risk cardiovascular disease, [134] although there may be an association between higher circulating vitamin C levels or dietary vitamin C and a lower risk of stroke. [135] There is a positive effect of vitamin C on endothelial dysfunction when taken at doses greater than 500 mg ...
People in sepsis may have micronutrient deficiencies, including low levels of vitamin C. [13] Reviews mention that an intake of 3.0 g/day via intravenous administration may needed to maintain normal plasma concentrations. [14] [15] Sepsis mortality is reduced with administration of intravenous vitamin C. [16]
Men in both studies, on a diet devoid or nearly devoid of vitamin C, had blood levels of vitamin C too low to be accurately measured when they developed signs of scurvy, and in the Iowa study, at this time were estimated (by labeled vitamin C dilution) to have a body pool of less than 300 mg, with daily turnover of only 2.5 mg/day. [91]
Foods high in iron include meat, nuts, and foods made with iron-fortified flour. [11] Treatment may include dietary changes, iron supplements, and dealing with underlying causes, for example medical treatment for parasites or surgery for ulcers. [3] Supplementation with vitamin C may be recommended due to its potential to aid iron absorption. [5]
High levels of niacin, an essential B vitamin, may raise the risk of heart disease by triggering inflammation and damaging blood vessels, according to new research. ... excessive amounts of the ...
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While a low-fiber diet is generally used for acute diverticulitis, the NIH guidelines recommend a high-fiber diet for patients with diverticulosis (a condition that may lead to diverticulitis). [17] A Mayo Clinic review from 2011 showed that a high-fiber diet can prevent diverticular disease.