Vitamin D is essential for healthy bones and teeth, and also helps keep your muscles, nerves, and immune system working properly. Unfortunately, Vitamin D deficiencies are very common. Adults are a high risk when they have limited sun exposure, insufficient intake from dietary sources, or impaired intestinal absorption. If you suffer from poor health due to low levels of Vitamin D, this test will identify potential deficiencies, so you can increase your intake and work toward strengthening your body's immunity, nervous system, and bone health.

• Please be sure to collect and return your sample within 14 days of receipt of your lab test. All lab tests expire within 6 months of purchase

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