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22-Dihydroergocalciferol is a form of vitamin D, also known as vitamin D 4. [2] It has the systematic name (5 Z ,7 E )-(3 S )-9,10-seco-5,7,10(19)-ergostatrien-3-ol. [ 1 ]
Vitamin D 3 (cholecalciferol) is produced industrially by exposing 7-dehydrocholesterol to UVB and UVC light, followed by purification. The 7-dehydrocholesterol is sourced as an extraction from lanolin, a waxy skin secretion in sheep's wool. [188] Vitamin D 2 (ergocalciferol) is produced in a similar way using ergosterol from yeast as a ...
Patients with severe vitamin D deficiency will require treatment with a loading dose; its magnitude can be calculated based on the actual serum 25-hydroxy-vitamin D level and body weight. [ 26 ] There are conflicting reports concerning the relative effectiveness of cholecalciferol (D 3 ) versus ergocalciferol (D 2 ), with some studies ...
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]
Here are four ways getting more vitamin D can help in menopause. Bone Health: Menopause does a number on our bones because it decreases the amount of calcium our bodies can absorb. Likewise, low ...
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 ...
These two forms of vitamin D are metabolized in the liver and stored as 25-hydroxyvitamin D. [4] Before biological use, the storage form must be converted into an active form. 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 ...
Calcitriol is a hormone and the active form of vitamin D, normally made in the kidney. [8] [9] [10] It is also known as 1,25-dihydroxycholecalciferol.It binds to and activates the vitamin D receptor in the nucleus of the cell, which then increases the expression of many genes. [11]