Niacin

Product Name	Niacin
CAS No.	59-67-6
MF	C6H5NO2
MW	123.11
Purity	≥99.5%
Appearance	White crystalline powder
Packing	1kg/bag,25kg/drum
Apply	Nutritional supplements, food fortification, pharmaceuticals, skin health

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Product Description

Niacin, also known as Vitamin B3, is a water-soluble essential vitamin that plays a vital role in metabolism, cellular energy production, and skin health. It is a precursor for NAD+ and NADP+, critical cofactors in redox reactions and cellular repair.

Key benefits include:

Supports cellular energy production and mitochondrial health
Improves skin barrier function and reduces inflammation
Contributes to cardiovascular health by regulating lipid metabolism
Supports nervous system function and cognitive health
Plays an important role in anti-aging and longevity research via NAD+ pathways

Why Choose us?

Pharmaceutical & Food-grade purity (≥99.5%)
Produced in GMP, ISO, and HACCP certified facilities
Excellent solubility and stability for formulation flexibility
Non-GMO, allergen-free, vegan-friendly
Bulk supply with consistent quality and competitive pricing

Certification of Analysis

Specification	Qualified Testing Result	Actual Testing Result	Test Method
Part 1. Physical & Chemical Analysis
Appearance	White crystalline powder	Complied	Visual
Odor	Odorless	Complied	Organoleptic
Assay (Niacin)	≥99.5%	99.7%	HPLC
Loss on Drying	≤0.5%	0.08%	USP <731>
Residue on Ignition	≤0.1%	0.02%	USP <281>
Melting Point	234–238°C	236.5°C	USP
Part 2. Heavy Metal Analysis & Chemical Control
Total Heavy Metals	≤10 ppm	Complied	AAS
Lead (Pb)	≤3 ppm	<0.5 ppm	ICP-MS
Arsenic (As)	≤1 ppm	<0.1 ppm	ICP-MS
Cadmium (Cd)	≤1 ppm	<0.05 ppm	ICP-MS
Mercury (Hg)	≤0.1 ppm	<0.01 ppm	ICP-MS
Part 3. Microbiological Analysis & Control
Total Plate Count (cfu/g)	≤1,000	<100	USP <61>
Yeast & Mold (cfu/g)	≤100	<10	USP <61>
E. coli	Negative	Negative	USP <62>
Salmonella (per 25 g)	Negative	Negative	USP <62>