Vitamin B3 (Niacin) Blood Test
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Test Code: 070115
Specimen Type: Blood
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Description:
Vitamin B3 (Niacin) Blood Test (Labcorp)
This test measures levels of Vitamin B3 or Niacin in the blood. Niacin (B3) plays an important role in maintaining a healthy digestive system, nervous system, and skin as well as a number of other elements. B3 is primarily composed of 2 chemicals, Nicotinic Acid and Nicotinamide. This test measures levels of both of these components. Niacin is found in a number of foods including green leafy vegetables, meat, poultry, fish, and eggs. Most people who eat a healthy diet naturally have healthy niacin levels. Niacin deficiency may occur when a person does not get enough B3 in their diet or as a side effect of conditions such as diarrhea, liver disease, or alcoholism. Symptoms of deficiency can include irritated red skin, headaches, fatigue, digestive issues, anxiety, difficulty concentrating, and dizziness.
Niacin is sometimes prescribed to help treat high cholesterol as it can help to lower LDL and Triglycerides while raising HDL. However, high doses of Niacin can cause other health issues such as liver damage, stomach disorders, and glucose intolerance so it is important to consult a doctor before taking Niacin supplements.
A Niacin blood test is typically ordered when a person has symptoms of Niacin deficiency or is taking Niacin supplements to help monitor their levels.
The typical turnaround time for this test is 4-10 business days.
Where can I find a Vitamin B3 test near me?
Check our lab finder to locate a collection site in your area.
Note: Result turn around times are an estimate and are not guaranteed. Our reference lab may need additional time due to weather, holidays, confirmation/repeat testing, or equipment maintenance.
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