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  2. Hypervitaminosis - Wikipedia

    en.wikipedia.org/wiki/Hypervitaminosis

    Toxicology. Causes. Excessive consumption of vitamins. Hypervitaminosis is a condition of abnormally high storage levels of vitamins, which can lead to various symptoms as over excitement, irritability, or even toxicity. Specific medical names of the different conditions are derived from the given vitamin involved: an excess of vitamin A, for ...

  3. Vitamin C megadosage - Wikipedia

    en.wikipedia.org/wiki/Vitamin_C_megadosage

    e. 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 strong scientific evidence that vitamin ...

  4. Vitamin C - Wikipedia

    en.wikipedia.org/wiki/Vitamin_C

    Vitamin C is an essential nutrient involved in the repair of tissue, the formation of collagen, and the enzymatic production of certain neurotransmitters. It is required for the functioning of several enzymes and is important for immune system function. [6] It also functions as an antioxidant.

  5. Linus Pauling - Wikipedia

    en.wikipedia.org/wiki/Linus_Pauling

    Linus Carl Pauling FRS (/ ˈpɔːlɪŋ / PAW-ling; February 28, 1901 – August 19, 1994) [ 4 ] was an American chemist, biochemist, chemical engineer, peace activist, author, and educator. He published more than 1,200 papers and books, of which about 850 dealt with scientific topics. [ 5 ] New Scientist called him one of the 20 greatest ...

  6. Hypervitaminosis A - Wikipedia

    en.wikipedia.org/wiki/Hypervitaminosis_A

    Hypervitaminosis A refers to the toxic effects of ingesting too much preformed vitamin A (retinyl esters, retinol, and retinal). Symptoms arise as a result of altered bone metabolism and altered metabolism of other fat-soluble vitamins. Hypervitaminosis A is believed to have occurred in early humans, and the problem has persisted throughout ...

  7. Vitamin - Wikipedia

    en.wikipedia.org/wiki/Vitamin

    In 2016, overdose exposure to all formulations of vitamins and multi-vitamin/mineral formulations was reported by 63,931 individuals to the American Association of Poison Control Centers with 72% of these exposures in children under the age of five. [61]

  8. Vitamin B12 - Wikipedia

    en.wikipedia.org/wiki/Vitamin_B12

    Vitamin B 12 deficiencies have a greater effect on young children, pregnant and elderly people, and are more common in middle and lower developed countries due to malnutrition. [10] The most common cause of vitamin B 12 deficiency in developed countries is impaired absorption due to a loss of gastric intrinsic factor (IF) which must be bound to ...

  9. Vitamin D - Wikipedia

    en.wikipedia.org/wiki/Vitamin_D

    Vitamin D overdose causes hypercalcemia, which is a strong indication of vitamin D toxicity – this can be noted with an increase in urination and thirst. If hypercalcemia is not treated, it results in excess deposits of calcium in soft tissues and organs such as the kidneys, liver, and heart, resulting in pain and organ damage. [30] [31] [171]