About Vitamin B3 Niacin Testing | Deficiency Test

This blood test is used to determine Vitamin B3 (Niacin) deficiencies.​ Like all B vitamins, niacin plays a role in converting carbohydrates into glucose,.

The Vitamin B3 Niacin Testing | Deficiency Test is a laboratory test. Your health care provider can explain what it measures and whether it is appropriate for your situation.

Order Vitamin B3 Niacin Testing | Deficiency Test in Rhode Island

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How to prepare

Most lab tests require a blood or other sample. Follow any instructions given by your healthcare provider or the testing laboratory. Tell your provider about medications, supplements, or recent illnesses that might affect results.