Vitamin C Megadosage
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. There is no strong scientific evidence that vitamin C megadosage helps to cure or prevent cancer, the common cold, or some other medical conditions. Historical advocates of vitamin C megadosage include Linus Pauling, who won the Nobel Prize in Chemistry in 1954. Pauling argued that because humans and other primates lack a functional form of L-gulonolactone oxidase, an enzyme required to make vitamin C that is functional in almost all other mammals, plants, insects, and other life forms, humans have developed a number of adaptations to cope with the relative deficiency. These adaptations, he argued, ultimately shortened lifespan but could be reversed or mitigated by supplementing humans with t ...
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