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home > FAQ > Plant Extract > Vitamin B3 (Niacin): Complete Guide to Benefits, Applications and Quality

Vitamin B3 (Niacin): Complete Guide to Benefits, Applications and Quality

2026-04-20

What is Vitamin B3 (Niacin)?

Vitamin B3, also known as Niacin or Nicotinic Acid, is an essential water-soluble vitamin that plays a crucial role in energy metabolism, DNA repair, and cellular signaling. The body converts niacin into NAD (nicotinamide adenine dinucleotide) and NADP (nicotinamide adenine dinucleotide phosphate), two coenzymes that are involved in over 400 enzymatic reactions throughout the body.

Key Benefits

  • Energy Metabolism: Essential cofactor for converting carbohydrates, fats, and proteins into usable cellular energy (ATP) through NAD/NADP coenzyme production.

  • Cardiovascular Health: May help support healthy cholesterol levels by raising HDL (good cholesterol) and lowering LDL and triglycerides.

  • Skin Health: Supports skin barrier function and may help protect against UV-induced skin damage and premature aging.

  • Cognitive Function: NAD plays a vital role in brain health, supporting neuronal energy metabolism and neuroprotection.

  • DNA Repair: NAD is essential for DNA repair mechanisms and maintaining genomic stability.

Product Specifications

SpecificationDetails
Chemical NameNiacin (Nicotinic Acid, Vitamin B3)
CAS Number59-67-6
Molecular FormulaC6H5NO2
Molecular Weight123.11
Purity≥99% (HPLC)
Test MethodHPLC/USP
AppearanceWhite crystalline powder
SolubilitySoluble in water
StorageStore in cool, dry place, away from light
Shelf Life24 months
Packaging25kg/drum or customized

Applications

  • Dietary supplements and B-complex formulations

  • Food and beverage fortification

  • Pharmaceutical formulations

  • Cosmetic and personal care products

Quality Standards

  • Manufactured in GMP-certified facility

  • Third-party lab tested for identity, potency, and purity

  • Free from heavy metals, pesticides, and microbial contamination

  • Compliant with USP, EP, and CP standards

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