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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 ). Severe deficiency: < 12 ng/mL = < 30 nmol/L[ 2 ...
Vitamin D is a group of fat-soluble secosteroids responsible for increasing intestinal absorption of calcium, magnesium, and phosphate, and for many other biological effects. [ 1][ 2] In humans, the most important compounds in this group are vitamin D 3 ( cholecalciferol) and vitamin D 2 ( ergocalciferol ). [ 2][ 3] The major natural source of ...
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 ...
It just plain doesn’t matter, as long as you take it with food, says Dr. Manson. Her advice: Take it when you’ll remember to take it — morning, noon or night — and take it with a meal, she ...
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HPLC is widely used for manufacturing (e.g., during the production process of pharmaceutical and biological products), [4] [5] legal (e.g., detecting performance enhancement drugs in urine), [6] research (e.g., separating the components of a complex biological sample, or of similar synthetic chemicals from each other), and medical (e.g ...
In addition to vitamin D testing, I perform mineral analysis testing, and find that over 90% of all pets have shockingly low calcium and magnesium in their tissues, in spite of normal blood levels.
Calcifediol, also known as calcidiol, 25-hydroxycholecalciferol, or 25-hydroxyvitamin D3 (abbreviated 25 (OH)D3 ), [ 1] is a form of vitamin D produced in the liver by hydroxylation of vitamin D 3 (cholecalciferol) by the enzyme vitamin D 25-hydroxylase. [ 3][ 4][ 5] Calcifediol can be further hydroxylated by the enzyme 25 (OH)D-1α-hydroxylase ...
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