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Vitamin B3 Blood Test

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Feature Labcorp Quest Diagnostics
Price $178.49 $108.99
Results in ~10 business days ~5 business days
Sample type Blood Serum Blood Serum
Require fasting No No

About the test

Vitamin B3 (Niacin) is a water-soluble vitamin important for energy production, DNA repair, and maintaining healthy skin and nerves. It is used to assess nutritional status and may help evaluate causes of fatigue, pellagra-like symptoms, or metabolic concerns.

Included biomarkers & Reference ranges

Biomarker Reference range
Nicotinamide Measures nicotinamide, a form of vitamin B3 (niacin), in serum to help assess vitamin B3 status and intake. โ€”
Vitamin B3 (Nicotinic Acid) Niacin, a B vitamin involved in energy metabolism, skin health, and nervous system function. โ€”

Reference ranges vary by lab, age, and sex (M/F). Your report shows your exact range. Click any biomarker to see its optimal range and what your results mean.

How it works

  1. 1. Order online No referral or insurance
  2. 2. Get a requisition By email in 24โ€“72 hours
  3. 3. Visit a draw center Bring a matching photo ID
  4. 4. Get results Securely by email
  1. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
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Schedule a consultation with a Hormunity specialist. Weโ€™ll walk through every marker, interpret what it means for you, and map out the next steps for your care.

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