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Vitamin D is a group of fat-soluble secosteroids ... which hinders vitamin D ... "Vitamin D is a nutrient which promotes the absorption of calcium in the gut ...
Mapping of several bone diseases onto levels of vitamin D (calcidiol) in the blood [6] Normal bone vs. osteoporosis. Vitamin D deficiency is typically diagnosed by measuring the concentration of the 25-hydroxyvitamin D in the blood, which is the most accurate measure of stores of vitamin D in the body.
One common active form is 1,25-dihydroxyvitamin D. [4] The term vitamin D in this article means cholecalciferol, ergocalciferol, 25-hydroxyvitamin D, and the active forms. The role of vitamin D is best characterized as enabling calcium absorption and regulating calcium homeostasis. Vitamin D also play a role in phosphate absorption. [5]
How dark or fair your skin is may also affect vitamin D absorption. “Vitamin D is very difficult to get adequately from food. There are not that many dietary sources of it,” Tan said. “But ...
In addition to vitamin D, cow’s milk is also rich in calcium and vitamin B12, both of which are essential for numerous body functions including supporting bone health and energy production ...
These capsules deliver 2,000 IU of vitamin D, providing a potent dose to support your bone health and immune function. Kirkland's extra strength formula is ideal for those requiring higher levels ...
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]
A series of enzymatic reactions are required for the activation of vitamin D, and enzymes like 25-hydroxyvitamin D-1α-hydroxylase (CYP27B1) and 1,25-dihydroxyvitamin D-24-hydroxylase (CYP24A1) play an active role in these reactions. [18] However, high levels of FGF23 in blood hinders the activation of vitamin D: [19]
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