Can I get a free sample?

Yes, free samples of 10-20g are available.

What is the shelf life of the product?

The shelf life is 2 years when stored in a cool and dry place.

Comext Bulk Supply Pure Biotin Powder for Vitamin Nutrition Supplement

Name: Comext Bulk Supply Pure Biotin Powder for Vitamin Nutrition Supplement
Brand: Changsha Comext Biotech Co., Ltd.
SKU: 2064399812

Hunan, ChinaChangsha Comext Biotech Co., Ltd.

US$9.90

1-199 kg

US$7.90

200-499 kg

US$5.50

500+ kg

Sample price:US$0.99/piece.Request sample

Product profile

Customization

Available

Certification

ISO, Kosher,Halal,Fssc22000

Assay Method

HPLC, UV

Model NO.

Biotin

Application Form

Paste, Tablet, Capsule

Application

Food, Health Care Products, Medicine

State

Powder

Appeanrance

White Crystalline Powder

MOQ

1 Kg

Sample

10-20g Free

Package

25kg/Drum

Storage

Cool and Dry Place

Delivery Time

3-5 Working Days

CAS Number

58-85-5

Shelf Life

2 Years

Grade

Food Grade

Transport Package

Fiber Drum

Specification

98% Biotin

Trademark

COMEXT

Origin

China

HS Code

2906199090

Production Capacity

10000kg/Year

Key features

High Purity Assay: Assay result is 99.0%, falling within the 97.5% to 102.0% standard range.

Multiple Certifications: Certified with ISO, Kosher, Halal, and FSSC22000 standards.

Versatile Application Forms: Suitable for manufacturing Paste, Tablet, and Capsule forms.

Wide Industry Usage: Applicable for Food, Health Care Products, and Medicine sectors.

Fast Delivery Time: Standard delivery time is 3-5 working days.

Free Sample Available: Free samples of 10-20g are provided for evaluation.

Long Shelf Life: Product maintains quality for 2 years when stored correctly.

Low Impurity Levels: Individual impurities are 0.06%, well below the 1.0% limit.

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: ≤1.78h

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.