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Vitamin D toxicity, or hypervitaminosis D, is the toxic state of an excess of vitamin D. The normal range for blood concentration of 25-hydroxyvitamin D in adults is 20 to 50 nanograms per milliliter (ng/mL).
Multivitamins nutrition facts label showing that the international unit of, for example, vitamins D and E correspond to different gram values. In pharmacology, the international unit (IU) is a unit of measurement for the effect or biological activity of a substance, for the purpose of easier comparison across similar forms of substances.
People who take vitamin D supplements before being admitted for intensive care are less likely to die than those who do not take vitamin D supplements. [49] Additionally, vitamin D levels decline during stays in intensive care. [50] Vitamin D 3 (cholecalciferol) or calcitriol given orally may reduce the mortality rate without significant ...
In the metric system, a microgram or microgramme is a unit of mass equal to one millionth (1 × 10 −6) of a gram.The unit symbol is μg according to the International System of Units (SI); the recommended symbol in the United States and United Kingdom when communicating medical information is mcg.
Vitamin D is a group of structurally related, fat-soluble compounds responsible for increasing intestinal absorption of calcium, magnesium, and phosphate, along with numerous other biological functions. [1] [2] In humans, the most important compounds within this group are vitamin D 3 (cholecalciferol) and vitamin D 2 (ergocalciferol). [2] [3]
Ergocalciferol may be used as a vitamin D supplement, whereas cholecalciferol (vitamin D 3) is produced naturally by the skin when exposed to ultraviolet light. [15] Ergocalciferol (D 2 ) and cholecalciferol (D 3 ) are considered to be equivalent for vitamin D production, as both forms appear to have similar efficacy in ameliorating rickets ...
Cholecalciferol is a form of vitamin D which is naturally synthesized in skin and functions as a pro-hormone, being converted to calcitriol. This is important for maintaining calcium levels and promoting bone health and development. [4] As a medication, cholecalciferol may be taken as a dietary supplement to prevent or to treat vitamin D ...
The following optional variables are converted into percentages of RDA (taken as averages for males and females aged 25–50 years from the USDA 2000 recommendation) Minerals (in mg) - calcium_mg, copper_mg, iron_mg, phosphorus_mg, magnesium_mg, manganese_mg, selenium_ug, sodium_mg, potassium_mg, zinc_mg. Write the number without the unit.
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