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The Vitamin D (25-Hydroxy) test measures the level of 25-hydroxy vitamin D in the body. Vitamin D helps your body to absorb calcium and phosphorus, which are important for strong bones and teeth. It also supports your immune system. This test helps you assess...
The Vitamin D (25-Hydroxy) test measures the level of 25-hydroxy vitamin D in the body. Vitamin D helps your body to absorb calcium and phosphorus, which are important for strong bones and teeth. It also supports your immune system. This test helps y...
Vitamin D is an essential fat-soluble nutrient. It exists in two primary forms:
Vitamin D3 (Cholecalciferol): derived from animal sources, supplements, and made by the skin when you are in sunlight.
Vitamin D2 (Ergocalciferol): derived from plant sources and supplements.
Both Vitamin D2 and D3 perform similar functions in the body and are converted in the liver to 25-hydroxy vitamin D2 or D3, respectively. The Vitamin D (25-Hydroxy) test measures the total vitamin D in your blood (D2 + D3) but does not differen...
Vitamin D (25-Hydroxy) includes Vitamin D (25-Hydroxy).
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