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Recommendations for vitamin C intake by adults have been set by various national agencies: 40 mg/day: India National Institute of Nutrition, Hyderabad [15] 45 mg/day or 300 mg/week: the World Health Organization [16] 80 mg/day: the European Commission Council on nutrition labeling [17] 90 mg/day (males) and 75 mg/day (females): Health Canada ...
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]
Vitamin B 12 ; Vitamin C (ascorbic acid and ascorbates) Vitamin D (calciferols) Vitamin E (tocopherols and tocotrienols) Vitamin K (phylloquinones, menaquinones, and menadiones) Some sources include a fourteenth, choline. [6] Vitamins have diverse biochemical functions. Vitamin A acts as a regulator of cell and tissue growth and differentiation.
A 1940s lithograph produced by the UK Ministry of Food illustrating the Vitamin C content of various foods. The early years of the 20th century were summarized by Kenneth John Carpenter in his Short History of Nutritional Science as "the vitamin era". [3] The first vitamin was isolated and chemically defined in 1926 .
An example of a mineral ascorbate drug is sodium ascorbate injections, as the acid form (ascorbic acid) of vitamin C is too acidic for injections). Ascorbate salts may be better tolerated by the human body than the corresponding weakly acidic ascorbic acid. Ascorbates are highly reactive antioxidants used as food preservatives. [2]
Vitamin C (15 P) D. Vitamin D (38 P) Vitamin deficiencies (1 C, 19 P) E. Vitamin E (15 P) H. Hypervitaminosis (5 P) K. ... Reference Daily Intake; Retinol; Retinyl ...
Vitamin C megadosage; W. John Woodall This page was last edited on 8 April 2023, at 14:58 (UTC). Text is available under the Creative Commons Attribution-ShareAlike 4 ...
AI U.S. Adequate Intake; AIs are established when there is insufficient information to set EARs and RDAs. PRI Population Reference Intake is the European Union equivalent of RDA; it is higher for adults than for children and maybe even higher for pregnant or lactating women. For Thiamin and Niacin, the PRIs are expressed as amounts per ...