The Vitamin D Test (Fingerstick Whole blood) is used as a self-test to determine the level of Vitamin D in the blood. Vitamin D helps regulate the amount of calcium and phosphate in the body. These nutrients are needed to keep bones, teeth and muscles healthy.

Symptoms

• weakness
• early fatigue or tiredness
• muscle aches and pains
• bone pain or fracturing bones without much force

A lot of people with vitamin D deficiency will not have any symptoms.