The Vitamin D Test measures the concentration of 25-hydroxyvitamin D in the blood, the most reliable form for assessing vitamin D status in the body. This test is critical for determining whether an individual has sufficient vitamin D, which is essential for bone health, immune function, and overall well-being. It helps in diagnosing vitamin D deficiency that can lead to health issues such as osteoporosis and increased infection risk, guiding appropriate dietary and lifestyle modifications or supplementation.
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