2.Specification:99%
3.CAS:52-90-4
4.Free Sample
5.Capsules,tablets,softgel,gummies,small bags,private label
6.Test Method:HPLC,UV&GC
7.Vacuum Aluminum Foil Bag; Fiber Drum for 25kg with inside double layer food grade poly bag
8. DeliveryTime:1-3 working days
9. Organic,Gluten free,no Allergen,Non-GMO,Paraben free,No Colors, BSE/TESE Free,Vegan
10. Certificates:Kosher, ISO22000, HALAL, USDA, FDA, FSSC22000, HACCP, EU Organic, EcoCert, BS EN 15662, cGMP
- Product Description
L-Cysteine Powder - High Purity Amino Acid Supplement & Industrial Ingredient
Looking for a reliable source of high-quality amino acid supplements? L-Cysteine Powder is a sulfur-containing, non-essential amino corrosive that serves as a principal building square in both dietary details and mechanical applications. At Shaanxi Fairir Biotech Co., Ltd. we specialize in conveying premium-grade L-cysteine items at 99% immaculateness, delivered through progressed bacterial maturation forms in our GMP-certified fabricating facility. Whether you're defining nutraceuticals, creating nourishment items, or making corrective arrangements, our powder meets the most noteworthy universal quality benchmarks. Your body normally produces this amino acid from methionine, but supplemental shapes offer focused on benefits for different applications.

What Makes Our L-Cysteine Powder Special?
You require fixings you can believe. Our item stands out since of thorough quality control and fabricating excellence.
We deliver our amino acid supplements in a 10,000-square-meter GMP-certified facility prepared with state-of-the-art innovation. Our generation line incorporates persistent countercurrent extraction hardware, vacuum belt drying frameworks, and ultra-micro pulverizers that guarantee steady molecule measure and purity.
Every group experiences intensive testing utilizing HPLC, UV, and GC strategies. This implies you get precisely what you expect—nothing more, nothing less.
Our certifications speak to our commitment:
- ISO 9001:2015, ISO 22000, FSSC 22000
- HACCP food safety management
- KOSHER and HALAL compliance
- USDA Organic Certification
- cGMP standards
These aren't fair identifications. They speak to our devotion to conveying items that meet your administrative prerequisites and surpass your quality expectations.
Certificate of Analysis (COA)
Item |
Specifications |
Test Results |
|
Appearance |
White crystals or crystalline powder | Conforms |
|
Specific optical rotation[a]D20° |
+ 8.3° ~ +9.5° | +8.5° |
|
State of solution (Transmittance) |
≥95.0% | 98.5% |
|
Assay |
98.0%~101.0% | 98.2% |
|
Heavy metals(Pb) |
≤10PPM | <10PPM |
|
Chloride (Cl) |
≤0.04% | <0.04% |
|
Arsenic (As2O3) |
≤1PPM | <1PPM |
|
Loss on drying |
≤0.5% | 0.32% |
|
Residue on ignition |
≤0. 1% | 0.09% |
|
pH value |
4.5 ~ 5.5 | 4.7 |
|
Iron (Fe) |
≤10PPM | <10PPM |
|
Ammonium (NH4) |
≤0.02% | <0.02% |
|
Sulfate (SO4) |
≤0.03% | <0.02% |
|
Other amino acids |
Chromatographically | Qualified |
|
Conclusion: This product complies with standard. |
||
*Please Contact Us for the latest COA.
How L-Cysteine Works in Your Body
This amino acid plays a few pivotal parts in your natural chemistry. It acts as a capable diminishing operator that makes a difference keep up protein structure and bolsters protein activity.
Here's what makes it valuable:
Antioxidant Precursor: Your body uses this amino acid to produce glutathione, often called the "master antioxidant." Glutathione secures your cells from oxidative push and bolsters resistant function.
Protein Union: As a sulfur-containing amino acid, it shapes disulfide bonds that allow proteins their three-dimensional structure. This is basic for keeping up sound skin, hair, and connective tissues.
Detoxification Bolster: It helps your liver in neutralizing hurtful substances and underpins common detoxification pathways.
While your body can L-Cysteine Powder this amino acid from methionine, supplemental forms provide concentrated support for specific applications.
Industrial & Commercial Applications
Beyond dietary supplements, this flexible fixing fathoms basic challenges over numerous industries:
Food Manufacturing & Baking
In high-volume pastry shops, it capacities as a prevalent mixture conditioning specialist. It diminishes disulfide bonds in gluten, which diminishes blending time by 15-20%. This anticipates versatile shrinkage in pizza outsides, tortillas, and baguettes, guaranteeing reliable item measurements each time.
Flavor Development
When combined with diminishing sugars beneath warm, it produces meat-like flavor compounds—thiophenes and thiazoles. This makes it fundamental for making clean-label veggie lover meat options and savory bouillon profiles that shoppers crave.
Cosmetic Formulations
In makeup, it makes a difference tweak keratin structure in hair perming arrangements. It moreover shows up in skin brightening items due to its capacity to impact melanin generation pathways.
Pharmaceutical Raw Material
It serves as the beginning fabric for N-Acetyl-L-Cysteine (NAC) and shows up in mucolytic specialists outlined to break down bodily fluid in respiratory treatments.
Why Choose Shaanxi Fairir Biotech?
We get it that sourcing fixings implies more than fair putting an arrange. You require a accomplice who gets it your necessities and conveys consistently.
Experience You Can Count On
Our group brings a long time of mastery in plant and creature extricate generation. We're found in Xi'an City, Shaanxi Province, with helpful transportation get to for both residential and worldwide clients.
Quality at Every Step
From crude fabric determination through last bundling, we keep up strict quality controls. Our 14 stainless steel extraction tanks (extending from 500 to 3,000 liters) and three completely programmed generation lines work at 98% efficiency.

Flexible Solutions
We offer comprehensive OEM/ODM services including:
- Custom definition advancement custom-made to your specifications
- Packaging plan and generation in numerous formats
- Private labeling choices for your brand
- Regulatory compliance bolster to meet your showcase requirements
Multiple Delivery Forms
Whether you require capsules, tablets, softgels, gummies, or little sacks, we can suit your organize preferences.

Safe Packaging & Reliable Delivery
Your product's keenness things from our facility to yours.
We utilize temperature-controlled shipping strategies to protect item quality amid travel. Our standard packaging incorporates vacuum-sealed aluminium foil bag that ensure against dampness, light, and oxidation.
Custom packaging is accessible upon ask. Fair let us know your particular requirements.
Getting Started Is Easy
Ready to experience the Fairir Biotech difference?
We welcome you to ask a free test to assess our powder quality firsthand. Our experienced group is accessible to talk about your particular needs and give specialized support.
Whether you're creating a unused supplement line, optimizing a nourishment detailing, or making corrective items, we're here to offer assistance you succeed.
Contact us today:
Email: sales@fairirbiotech.com
We look forward to becoming your trusted partner in amino acid ingredients. Let's work together to bring your vision to life with premium-quality L-Cysteine Powder backed by our commitment to mutual benefits and long-term success.
Shaanxi Fairir Biotech Co., Ltd. - Your reliable partner for quality plant and animal extracts. We combine professional service, competitive pricing, and strict quality standards to deliver the ingredients you need.
















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