Quick Answer: How Long Does It Take To Run A Vitamin D Blood Test?

Can I test my own vitamin D levels?

This test accurately measures your Vitamin D levels The 25-hydroxyvitamin D biomarker is the best way to screen for, and monitor vitamin D levels.

We screen for vitamin D using an advanced dry-blood spot card that provides results that are as accurate as labs ordered by a doctor..

What are the side effects of low vitamin D?

What Are Vitamin D Deficiency Symptoms?Fatigue or tiredness.Bone pain.Joint pain.Muscle pain.Sour mood.Low energy.More frequent illness.Anxiety.More items…•

Why would a doctor order a vitamin D blood test?

Many people don’t have enough vitamin D in their bodies. Low vitamin D increases the risk of broken bones. It may also contribute to other health problems. That’s why doctors often order a blood test to measure vitamin D.

Is fasting required for vitamin D blood test?

Fasting is not necessary to obtain a vitamin D level; however, getting blood tests at the same time makes sense, reducing the burden of time on the patient.

How does vitamin D show up on a blood test?

Tests for Vitamin D Deficiency The most accurate way to measure how much vitamin D is in your body is the 25-hydroxy vitamin D blood test. A level of 20 nanograms/milliliter to 50 ng/mL is considered adequate for healthy people. A level less than 12 ng/mL indicates vitamin D deficiency.

What blood test shows vitamin D levels?

Your doctor can order a blood test to measure your levels of vitamin D. There are two types of tests that might be ordered, but the most common is the 25-hydroxyvitamin D, known as 25(OH)D for short. For the blood test, a technician will use a needle to take blood from a vein.

Does fasting affect vitamin D levels?

Thus, If you fast (long enough to decrease your body mass) this will lead to increases in plasma vitamin D.

How do I know if I am low on vitamin D?

Symptoms of vitamin D deficiency can include muscle weakness, pain, fatigue and depression. To get enough D, look to certain foods, supplements, and carefully planned sunlight.

How can I raise my vitamin D levels quickly?

Spend time in sunlight. Vitamin D is often referred to as “the sunshine vitamin” because the sun is one of the best sources of this nutrient. … Consume fatty fish and seafood. … Eat more mushrooms. … Include egg yolks in your diet. … Eat fortified foods. … Take a supplement. … Try a UV lamp.

How long does it take for vitamin D levels to drop?

Calcitriol (1,25-dihydroxyvitamin D3), the active form of vitamin D, has a half-life of about 15 hours, while calcidiol (25-hydroxyvitamin D3) has a half-life of about 15 days. Vitamin D binds to receptors located throughout the body.

Is vitamin D part of CBC?

A CBC helps your health professional check any symptoms, such as fatigue, weakness, or bruising, that you may have. A CBC also helps diagnose conditions such as anemia, infection, and many other disorders. The Vitamin D 25-Hydroxy Blood Test is often ordered for individuals that have symptoms of vitamin D deficiency.

Does b12 test need fasting?

You can get it anytime, and you don’t need to go without food (fasting) before you do. Your doctor can add it to the order for your blood test that checks your levels of cholesterol, glucose, and other markers of health. You should tell your doctor about all of the medications and supplements you take before the test.