Biochemistry Test

Test : Niacin (Vitamin B3) Test


Indications : The test is recommended if you have the following symptoms (1^✔ ✔Trusted Source
Vitamin B3 (Niacin)

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• Cracked scaly skin
• Swollen bright red tongue
• Vomiting
• Indigestion
• Fatigability
• Canker sores
• Poor circulation
• Depression

Physiology : Niacin, or vitamin B3, plays a crucial role in various metabolic processes essential for overall health. It aids in converting carbohydrates and fats into energy, metabolizing proteins, and contributes to the production of hormones such as cortisol (which regulates stress and metabolism) and sex hormones like estrogen and testosterone. Niacin is also vital for the formation of red blood cells. The niacin test evaluates its levels in blood and urine, providing insights into its availability and potential impacts on metabolic function and hormonal balance.

Normal Range : Niacin reference ranges for adults (≥ 10 years) (2^✔ ✔Trusted Source
About Vitamin B3 (Niacin)

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Normal: 0.50 - 8.45 ug/mL
Low: Less than 0.50 ug/mL
High: More than 8.45 ug/mL

Niacin reference ranges for pediatrics (<10 years) (3^✔ ✔Trusted Source
Niacin

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Normal: 0.50 - 8.91 ug/mL
Low: Less than 0.50 ug/mL
High: More than 8.91 ug/mL  

Interpretation : Higher level of niacin intake can result in (4^✔ ✔Trusted Source
Niacin - Vitamin B3

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• Flushing
• Burning, tingling, and itching sensations over the face
• Headache
• Dizziness
• Decrease in blood pressure
• Impaired glucose tolerance and insulin resistance
• Abdominal pain
• Blurred vision

Lower level of niacin intake can result in these conditions (4^✔ ✔Trusted Source
Niacin - Vitamin B3

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• Niacin deficiency
• World Lung Cancer Day
• Alzheimer’s disease
• Coronary artery diseases

More Information: Niacin rich foods include (4^✔ ✔Trusted Source
Niacin - Vitamin B3

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• Red meat: beef, beef liver, pork
• Poultry
• Fish
• Brown rice
• Fortified cereals and breads
• Nuts and seeds
• Legumes
• Banana

References:

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