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Mid-Atlantic · Vitamin B3 Niacin Testing – Deficiency Test

Vitamin B3 Niacin Testing – Deficiency Test in Washington DC

Below is a plain-language overview of the vitamin b3 niacin testing – deficiency test. This blood test measures levels of Vitamin B3 (niacin) in your body. It helps identify if your niacin intake is sufficient.

Typical turnaround1-3 business days
Price range$49
PreparationFollow the lab's instructions.
Sample typeBlood draw at a collection lab
ReferralNo referral required

What this test is

Vitamin B3, also known as niacin, is an essential nutrient that plays a crucial role in energy production and metabolism. This test assesses the amount of niacin in your blood.

What it measures

  • Vitamin B3 (Niacin) — reflects dietary intake and body stores of this essential vitamin

What the test involves

A healthcare professional will collect a blood sample, typically from a vein in your arm. The sample is then sent to a laboratory for analysis.

Why it is often ordered

Clinicians may order this test to evaluate for potential niacin deficiency or to monitor the effectiveness of niacin supplementation. It can help assess overall nutritional status.

Preparation

Follow any specific instructions provided by the laboratory regarding food or drink consumption before your blood draw. General preparation usually involves a standard blood draw.

How results are reported

Your results will indicate the measured level of Vitamin B3 in your blood. Laboratories provide reference ranges, which are ranges of expected values, and these can vary between labs.

Before you go

  • Fasting requirements
  • Specific preparation instructions
  • Sample collection time

Cities

Vitamin B3 Niacin Testing – Deficiency Test in Washington DC communities

Choose your city for local context and to request this test.

Washington4,810,669Vitamin B3 Niacin Testing – Deficiency Test