Vitamin D Test
Do you want to monitor your Vitamin D levels? Choose this test to measure the level of Vitamin D, a key nutrient to maintain bone strength and cellular health.
Who is getting tested? *
Currently you cannot combine this test with other tests. Because of this, you cannot buy this test unless you update your cart.
Currently you can only purchase testing for one person in one cart checkout. Or product(s) cannot be purchased because you do not meet the age, gender, or location requirements to purchase the test(s).
Because of this, you cannot buy this test unless you update your cart or account setting(s).
This product contains duplicate test components to items in your cart. You are already covered by a test that you have in the cart.
Additionally, COVID-19 tests cannot be combined with other tests at this time.
Please update your cart before you try again.
Based on your response, this test is not right for you or not available.
This test is unavailable for your age and/or gender.
Please update your address
Quest does not currently support lab testing at your location, please update to a valid address to purchase this test.
Visit Account Settings to change your address.
Please select who is getting tested.
Please select test type.
Must be 18+ years of age to purchase
Orders not permitted in: AK, HI, AZ
Blood (venipuncture—a needle is used to draw blood from a vein)
The benefits of testing
You can get the information you need to support a healthy life - for yourself.
Take control of your health
Conveniently shop and pay online for lab tests without a doctor's visit. An independent physician will review your request and if appropriate, confirm your order and offer oversight.
Schedule and manage your appointments
Conveniently schedule your appointment online at one of our Quest Patient Service Centers or drive-through locations. Certain tests may also offer self-testing home delivery.
Get your results online
View your results through your secure account online. And it's easy to share the result with your doctor.
Foods that naturally contain Vitamin D:
• Fatty fish such as salmon, tuna, and mackerel
• Beef liver
• Egg yolks
Foods that may be fortified with Vitamin D:
• Breakfast cereals
• Orange juice
• Other dairy products, such as yogurt
• Not enough Vitamin D in the diet
• Poor absorption of Vitamin D
• Inadequate exposure to sunlight
• Adults > 50 years of age
• People with darker skin (darker skin absorbs less sunlight)
• People who are overweight
• People who are vegan or have a diet low in Vitamin D–rich foods
• People with other health conditions such as Crohn disease, celiac disease, kidney disease, or liver disease