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    Glossary Serum Vitamin D

    measurement of vitamin D levels in the blood

    Serum Vitamin D refers to the measurement of the level of vitamin D in the blood, typically assessed through a 25-hydroxyvitamin D test (25(OH)D test). This test is crucial for determining if an individual has adequate, deficient, or excessive levels of vitamin D, which is important for bone health, immune function, and overall well-being.

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