VDK® Melatonin, World-First Bio-Fermented & Natural Melatonin

Qualifications Certification:

VDK holds a Pharmaceutical Production License to meet the filing requirements of domestic end manufacturers. A series of certifications including ISO9001, ISO22000, HACCP, KOSHER, and HALAL together ensure standardized production and management of the product;

Naturalness Report:

According to authoritative third-party testing, the naturalness index reaches 78% for the semi-fermented, semi-synthetic product, while the product utilizing full glucose fermentation technology achieves 100%. This precisely meets the demand for natural products in overseas markets;

Chromatogram:

With a purity of ≥99.5%, VDK® Melatonin maintains strict control over key indicators including heavy metals and microorganisms, meeting all standards for health food-grade raw materials;

Quality Specifications:

VDK® Melatonin complies with both the national standard <Catalogue of Raw Materials for Health Foods – Melatoninand international pharmacopoeial standards including USP, BP, and EP. A full suite of compliance documentation, including factory inspection reports and third-party test certificates, is available upon request.

Regular Assay ≥99.5% Quality Specification：

Items	Regulatory quality standard	Fermented quality standard	Methods
Colour	White or Off-White	White or Off-White	Visual
State	Crystalline granule or Powder	Crystalline granule or Powder	Visual
Identification	HPLC	HPLC	HPLC
Identification	IR	IR	IR
Assay(On dry basis)	≥99.5%	≥99.5%	HPLC
5-Methoxytryptamine	≤0.1%	≤0.1%	HPLC
Loss On Drying	≤0.5%	≤0.5%	Technical Requirements2 for Melatonin Raw Materials
Residue On Ignition	≤0.1%	≤0.1%	Technical Requirements 3 for Melatonin Raw Materials
MAX Individual Impurities	≤0.1%	≤0.1%	HPLC
Total Impurities	≤1.0%	≤1.0%	HPLC
Lead(Pb)	≤2.0ppm	≤2.0ppm	ICP-MMS
Arsenic(As)	≤1.0ppm	≤1.0ppm	ICP-MMS
Mercury(Hg)	≤0.3ppm	≤0.3ppm	ICP-MS
Total Aerobic Bacteria	≤1000CFU/g	≤1000CFU/g	GB 4789.2
Yeast & Mold	≤100CFU/g	≤100CFU/g	GB 4789.15
Coliforms	≤0.92MPN/g	≤0.92MPN/g	GB 4789.3MPN
Salmonella	≤0/25g	≤0/25g	GB 4789.4
Staphylococcus	≤0/25g	≤0/25g	GB 4789.10
Biobased Carbon	78%	100%

10% Water Soluble Melatonin Quality Spedification:

Items	Specification	Methods
Appearance	White or Off-White Crystalline Powder	Visual
Identification	HPLC	HPLC
Water %	≤ 5.0%	CP2020<0832>
Water %	≤ 5.0%	CP2020<2302>
Heavy metals ppm	≤ 10ppm	CP2020<0821>
Lead(Pb)	≤ 2.0ppm	ICP-MS
Cadmium(Cd)	≤ 1.0ppm	ICP-MS
Arsenic(As)	≤ 1.0ppm	ICP-MS
Mercury(Hg)	≤ 0.1ppm	ICP-MS
Assay（On dry basis）	≥ 10%	HPLC
Total Aerobic Bacteria	≤ 1000CFU/g	GB 4789.2
Yeast & Mold	≤50 CFU/g	GB 4789.15
Coliforms	≤ 0.92 CFU/g	GB 4789.3MPN
Salmonella	Absent/25g	GB 4789.4
Staphylococcus	Absent/25g	GB 4789.10

Differentiated Customization:

10% water-soluble melatonin is available, which perfectly solves the problem of melatonin being insoluble in water and can meet the product needs of more application scenarios;

VDK® Melatonin

Core Production Process

Compliant Process:

Full Fermentation Process:

Dual Production Processes with Distinct Technological Recognition:

Core Strengths

Qualifications Certification:

Naturalness Report:

Chromatogram:

Quality Specifications:

Differentiated Customization:

Packaging Specifications:

Storage Precautions: