What is the packaging specification?

The standard package is 25kg/drum, but customized packaging options are available upon request.

L-Cysteine Nutritional Supplement CAS 52-90-4

Name: L-Cysteine Nutritional Supplement CAS 52-90-4
Brand: Tianjin Zhuofeng Biotechnology Co., Ltd.
SKU: 2034342542

Tianjin, ChinaTianjin Zhuofeng Biotechnology Co., Ltd.

US$1.10-1.20

5,000 kg

Sample price:US$0.00/kg.Request sample

Product profile

Customization

Available

Type

L-Cysteine

Chemical Character

Neutral

Model NO.

L-Cysteine CAS 52-90-4

Appearance

Powder

Product

L-Cystine

Loading

Tianjin

Resource

Natural

Colour

White/

Transport Package

25kg/Bag

Specification

99%

Trademark

TJWH

Origin

China Mainland

HS Code

2934999099

Production Capacity

5000mt/Month

Key features

Glutathione Precursor: Essential for producing glutathione, protecting against oxidative stress.

Collagen Production: Required for collagen synthesis, vital for skin, hair, and nail health.

Health Benefits: Supports lung health, detox, sports performance, and immune function.

Custom Packaging: Standard 25kg/drum with customizable packaging options available.

OEM/ODM Service: Full customization from samples, designs, and flexible customization.

Fast Lead Time: Average lead time within 15 workdays for both peak and off seasons.

Flexible Payment: Accepts LC, T/T, D/P, PayPal, and Western Union terms.

Company profile

High Repeat Buyers ChoiceExperienced TeamIn-stock CapacityCustomization from Samples

Tianjin Zhuofeng Biotechnology Co., Ltd.

Tianjin, China

Business Type: Manufacturer/Factory, Trading Company, Other, Group Corporation CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 year CertifiedNearest Port: Tianjin PortAverage Response Time: ≤9.55h

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier with R&D personnel, broad customization options, ODM services, and OEM experience for well-known brands. It holds ISO 9001, ISO 22000, and GMP certifications and reports quality-control staffing and broad export-market coverage. However, it launched no new products in the past year, lacks 3D software and SDK capabilities, and has no documented service-assessment or corrective/preventive-action procedures. Complaint handling is supported by a clear procedure and records. Evidence is insufficient to confirm financial strength, production performance, or specific customer cases.

Supplier typeThe supplier is explicitly described as a professional technical supplier. Its stated business scope includes food additives, specialized chemicals, machinery, building materials, textiles, graphene materials, software and auxiliary equipment, indicating a diversified product and business profile.

CertificationsThe supplier reports holding ISO 9001, ISO 22000, and GMP certifications. These are explicit certifications relevant to quality, food-safety, and manufacturing management, although the slices do not provide certificate validity or scope details.

After-Sales capabilityThe supplier has a clear customer-complaint handling procedure with followed records, and reported service lead times of within 15 workdays in both peak and off-season. However, it has no written service-capability assessment procedures or corrective/preventive-action records, so the evidence supports complaint handling but not a fully documented service system.

R&D capabilityThe supplier has two R&D engineers and provides ODM services, but it launched no new products in the past year and lacks both 3D software design services and an available SDK. The evidence shows some R&D and design capability, but also clear limitations in recent product innovation and software-related development.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full, minor, and flexible customization, and also provides ODM services. This is direct evidence of broad customization support, despite the lack of 3D software design capability.

Client casesThe supplier states that it provides OEM services for well-known brands, which is evidence of experience serving branded customers. No customer names, product examples, order details, or independently verifiable case records are provided.

Product Q&A

Q:What are the main health benefits of L-Cysteine?

It acts as a precursor to glutathione for antioxidant protection, supports collagen production for skin/hair/nails, and may enhance lung health and detox.

Q:What is the Minimum Order Quantity (MOQ)?

The standard MOQ is 25KG, though the company accepts orders starting from 1 unit.

Q:Is customization available for this product?

Yes, OEM and ODM services are available, including customization from samples, designs, and flexible minor customization.

Q:What are the payment terms and lead time?

Payment terms include LC, T/T, D/P, PayPal, and Western Union. The average lead time is within 15 workdays.

Q:How should L-Cysteine be stored?

It should be stored at room temperature in a cool, dry place.