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There is a need for large, longer-duration phase II clinical trials that test the efficacy of intravenous vitamin C in cancer progression and overall survival. (More information)Ĭurrent evidence of the efficacy of intravenous vitamin C in cancer patients is limited to observational studies, uncontrolled interventions, and case reports. Randomized controlled trials have reported no effect of vitamin C supplementation on cancer risk. Most observational studies examining vitamin C intake in relation to cancer incidence have found no association. There are insufficient data to suggest a link between vitamin C status and the risk of developing a given type of cancer. There is some evidence to suggest that vitamin C may be a useful adjunct to conventional medical practice to reduce myocardial injury and arrhythmia following a cardiac procedure or surgery in patients with cardiovascular disease.

Prospective cohort studies indicate that higher vitamin C status, assessed by measuring circulating vitamin C, is associated with lower risks of hypertension, coronary heart disease, and stroke.

Vitamin C is an essential cofactor in numerous enzymatic reactions, e.g., in the biosynthesis of collagen, carnitine, and neuropeptides, and in the regulation of gene expression. Unlike most mammals and other animals, humans do not have the ability to synthesize vitamin C and must obtain it from the diet. Vitamin C, also known as L-ascorbic acid, is a water-soluble vitamin.

Healthcare Professional Continuing Education.

Chlorophyll and Metallo-Chlorophyll Derivatives.