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The comprehensive metabolic panel, or chemical screen (CMP; CPT code 80053), is a panel of 14 blood tests that serves as an initial broad medical screening tool. The CMP provides a rough check of kidney function, liver function, diabetic and parathyroid status, and electrolyte and fluid balance, but this type of screening has its limitations.
In medical practice, a blood test for 25-hydroxy-vitamin D, 25(OH)D, is used to determine an individual's vitamin D status. [11] The name 25(OH)D refers to any combination of calcifediol (25-hydroxy-cholecalciferol), derived from vitamin D 3, and ercalcidiol (25-hydroxy-ergocalciferol), [1] derived from vitamin D 2. The first of these (also ...
24,25-dihydroxyvitamin D 3 is formed from 25-hydroxyvitamin D 3 by the action of CYP24A1 (25-hydroxyvitamin D3-24-hydroxylase). CYP24A1 appears to be "a multicatalytic enzyme catalyzing most, if not all, of the reactions in the C-24/C-23 pathway of 25-OH-D 3 metabolism."
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]
Vitamin D3, aka cholecalciferol, is important for bone health and immune function. Experts discuss benefits, sources, risks and who needs a supplement. How to get the most out of vitamin D3
While some studies have found that vitamin D 3 raises 25(OH)D blood levels faster and remains active in the body longer, [43] [44] others contend that vitamin D 2 sources are equally bioavailable and effective for raising and sustaining 25(OH)D. [45] [46] If digestive disorders compromise absorption, then intramuscular injection of up to ...
Vitamin D3 needs for the average adult between the ages 19 and 70 years old is 600 IU (15 mcg) per day, says Pelitera. “This includes foods, for example, 1 cup of fortified milk contains about ...
Vitamin D3. Is called cholecalciferol. D3 is what your body produces when your skin is exposed to sunlight. It can also be found in fish (fatty ones such as trout, ...