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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]
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. [ 1 ] [ 7 ] [ 2 ] One nanogram per millilitre ( 1 ng/mL ) is equivalent to 2.5 nanomoles per litre ( 2.5 nmol/L ).
While some studies have found that vitamin D 3 raises 25(OH)D blood levels faster and remains active in the body longer, [44] [45] others contend that vitamin D 2 sources are equally bioavailable and effective for raising and sustaining 25(OH)D. [46] [47] If digestive disorders compromise absorption, then intramuscular injection of up to ...
Vitamin D deficiency is a pretty common problem for people year-round—and that deficit only increases in the winter. Be sure to stay on top of your doctor visits to ensure you're always getting ...
Vitamin D3, aka cholecalciferol, is important for bone health and immune function. Experts discuss benefits, sources, risks and who needs a supplement.
Vitamin D2 vs. D3 Uses. Both vitamin D2 and vitamin D3 will help to increase vitamin D levels in the blood, says Pelitera. However, some studies have shown that supplementing vitamin D3 does a ...
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