Description
A vitamin B3 (niacin) blood test measures the amount of niacin in your blood to check for deficiencies or imbalances. This test can help diagnose conditions like pellagra, which is caused by a severe niacin deficiency.
Purpose
- Diagnose a niacin deficiency or toxicity
- Monitor the effectiveness of treatments for conditions like high cholesterol
- Help determine the cause of symptoms like fatigue, poor concentration, or skin changes
What niacin does Helps convert food into energy, Supports the nervous system, Helps maintain healthy skin, and Helps manage cholesterol.
Symptoms of a niacin deficiency
- Fatigue
- Poor circulation
- Depression
- Canker sores
- Vomiting
- Burning in the mouth
- Swollen, bright red tongue
Symptoms of pellagra
- Cracked, scaly skin
- Dementia
- Diarrhea
Fasting not required.
