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To maintain blood levels of calcium, therapeutic vitamin D doses are sometimes administered (up to 100 000 IU or 2.5 mg daily) to patients who have had their parathyroid glands removed (most commonly kidney dialysis patients who have had tertiary hyperparathyroidism, but also to patients with primary hyperparathyroidism) or with ...
Vitamin D 2 is found in fungi and is produced by ultraviolet irradiation of ergosterol. [161] The vitamin D 2 content in mushrooms increases with exposure to ultraviolet light, [162] and is stimulated by industrial ultraviolet lamps for fortification. [161] The United States Department of Agriculture reports D 2 and D 3 content combined in one ...
Ergocalciferol, also known as vitamin D 2 and nonspecifically calciferol, is a type of vitamin D found in food. It is used as a dietary supplement [3] to prevent and treat vitamin D deficiency [4] due to poor absorption by the intestines or liver disease. [5]
Calcifediol is strongly bound in blood by the vitamin D-binding protein. [5] Measurement of serum calcifediol is the usual test performed to determine a person's vitamin D status, to show vitamin D deficiency or sufficiency. [4] [5] Calcifediol is available as an oral medication in some countries to supplement vitamin D status. [4] [6] [7]
22-Dihydroergocalciferol is a form of vitamin D, also known as vitamin D 4. [2] It has the systematic name (5Z,7E)-(3S)-9,10-seco-5,7,10(19)-ergostatrien-3-ol. [1]
In addition to its vitamin D content, trout is packed with high-quality protein and heart-healthy omega-3 fatty acids, which can help fight inflammation and support cardiovascular health. Trout ...
The latest results compare bone fractures in those who took either a high dose — 2,000 international units of the most active form of vitamin D, called D-3 — or dummy pills every day for five ...
The Institute of Medicine in 2010 recommended a maximum uptake of vitamin D of 4000 IU/d, finding that the dose for lowest observed adverse effect level is 40,000 IU daily for at least 12 weeks, [25] and that there was a single case of toxicity above 10 000 IU after more than seven years of daily intake; this case of toxicity occurred in ...