Vitamin D is a fat-soluble essential nutrient produced in the skin when exposed to ultraviolet sunlight and also obtained from certain foods and supplements. It plays a vital role in regulating blood calcium and phosphorus levels, promoting healthy bones and teeth. Vitamin D also supports immune function, helps prevent osteoporosis, and some studies suggest it may contribute to heart and muscle health and protection against certain chronic diseases.
It is a test that measures the level of vitamin D in the blood to assess the adequacy of this vitamin, which is essential for calcium and phosphorus absorption and for maintaining healthy bones and teeth.
Sample Type
Blood
Preparation
TAT Turnaround time (TAT)
4 hours
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