What are the main functions of melatonin?

It improves sleep quality, acts as an anti-aging hormone, regulates endocrine, and helps with skin pigmentation.

How should the product be stored?

Store in a well-closed container away from moisture and direct sunlight at room temperature.

What are the payment terms?

We accept LC, T/T, PayPal, Western Union, and small-amount payments.

Comext Bulk Supply 99% Pure Melatonin Powder Adjust Circadian Rhythm

Name: Comext Bulk Supply 99% Pure Melatonin Powder Adjust Circadian Rhythm
Brand: Changsha Comext Biotech Co., Ltd.
SKU: 1999488222

Hunan, ChinaChangsha Comext Biotech Co., Ltd.

US$8.00-10.00

1 kg

Sample price:US$10.00/bag.Request sample

Product profile

Customization

Available

Certification

ISO, Fssc

Assay Method

HPLC

Model NO.

Melatonin-1

Application Form

Tablet, Capsule

Application

Food, Health Care Products, Medicine

State

Powder

Extract Source

Synthetic

Shelf Life

2 Years

Sample

10-20g Free Samples

Function

Antioxidant

Delivery Time

2-3 Working Days

Purity

99%

Test

HPLC

Appearance

White Melatonin Powder

Grade Standard

Feed Grade, Food Grade, Medicine Grade

Certificate

ISO22000,Fssc22000

CAS

107-95-9

Transport Package

1kg/Bag 25kg/Drum

Specification

99%

Trademark

COMEXT

Origin

China

HS Code

2934999099

Production Capacity

10mt/Months

Key features

High Purity Level: 99% pure melatonin powder with assay range of 98.5%-101.5%.

Multiple Certifications: ISO22000 and Fssc22000 certified for food, health care, and medicine grades.

Free Sample Availability: 10-20g free samples available for wholesale melatonin powder.

Fast Delivery Time: Delivery within 2-3 working days for standard orders.

Long Shelf Life: 2 years shelf life when sealed and stored properly.

Anti-Aging Benefits: Helps regulate endocrine and improve sleep quality.

Skin Care Application: Helps eliminate dark spots and pigmentation for white, moist skin.

Strict Quality Control: Tested via HPLC with low heavy metal content and negative E.Coli/Salmonella.

Company profile

Quality AssuranceOverseas WarehouseHigh Repeat Buyers ChoiceProduction Process Visualization

Changsha Comext Biotech Co., Ltd.

Hunan, China

Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 9 Years CertifiedNearest Port: Shanghai Port,Average Response Time: ≤2.98h

AI-Powered supplier vetting

SummaryComext presents capabilities across export trade, manufacturing, service, quality control, R&D, and sustainability. It reports multiple management-system certifications and states that quality assurance is present. Service-related procedures exist for supplier assessment, corrective and preventive actions, and customer complaints, but records are not available. The supplier reports in-stock and overseas-warehouse capabilities, OEM service for popular brands, ODM services, and customization from samples or designs. However, it has no valid manufacturing-capacity contract with its affiliated subcontractor, no new products in the past year, no R&D patents, no overseas showroom, and no available SDK. Financial credibility cannot be assessed because the provided financial entries contain only years and no usable financial information.

CertificationsThe supplier reports OHSAS/OHSMS 18001, ISO 9001, ISO 14001, and QC 080000 certifications under its supplier management systems. These explicitly indicate a broad set of reported management-system certifications.

R&D capabilityThe supplier provides ODM services and has documented R&D inputs, outputs, reviews, verification, and validation for audit, but reports no new products in the past year and zero R&D patents. The evidence shows an established R&D process but limited demonstrated recent innovation output.

Production capacityThe supplier reports quality assurance, in-stock capability, lead times within 15 working days in both peak and off-season, and OEM service for popular brands. However, it has no valid manufacturing-capacity contract with its factory or affiliated subcontractors, creating a documented production-governance deficiency.

Customization capabilityThe supplier explicitly offers customization from samples and designs, as well as ODM services, and reports OEM service for popular brands. These statements directly support capability for customer-specific product development and manufacturing.