What is a normal vitamin D level?

According to WebMD, the normal range for vitamin D is 20 ng/mL to 50 ng/mL. Anything below 12 ng/mL is considered deficient and requires a consultation from a physician.

Vitamin D is most commonly absorbed from the sun, but it can also be found in foods like fish, milk, and eggs. Vegetarians and people with milk allergies are at the highest risk for developing a vitamin D deficiency. The National Institute of Health lists the primary symptoms of vitamin D deficiency as bone pain and muscle weakness, and children with vitamin D deficiency are also at risk of developing rickets, a condition that causes soft bones and bone abnormalities.