Vitamin D (25-OH) Blood Tests

Vitamin D is an essential nutrient that helps your body absorb calcium and maintain strong bones.

This test is important because vitamin D deficiency can lead to weak bones, muscle weakness, and increased risk of fractures. It can also affect your immune system, making you more susceptible to infections. 

Vitamin D comes from two sources; it can be ingested from foods and supplements, or be produced in the skin once it is exposed to sunlight.

Vitamin D tests are used to identify vitamin D deficiency and to monitor disease that interfere with fat absorption like Crohn’s disease.

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