L Glutathione Reduced Powder
2.Appearance: White Powder
3.Specification: 99%
4.Europe Warehouse
5.CAS NO: 70-18-8
6.Packing Specification: 25kg/drum, 27 drums/tray
7.Delivery: 3-7working days
8.Main Market: Europe, America, Vietnam, Indonesia, Southeast Asia, Thailand, Russia, etc.
9.Certification: cGMP,KOSHER,HALAL,BRC,ORGANIC,ISO9001,ISO22000 etc.
10.OEM/ODM service
- Product Description
High-Purity L Glutathione Reduced Powder for Liver Health & Detoxification Therapies
Our pharmaceutical-grade L Glutathione Reduced Powder is a high-quality tripeptide including glutamic acid, cysteine, and glycine. It is involved in the human tricarboxylic acid cycle and glucose metabolism, contributing to efficient energy production and maintaining a firm position in the domains of anti-aging and medical aesthetics.
Shaanxi Hongda Phytochemistry has 30 years of experience in fungal and amino acid-directed bio-fermentation and multi-stage recrystallization protection engineering. We not only provide you with high-purity glutathione raw materials straight from the source, but we also use precise extrusion and shearing to transform the raw powder into uniformly distributed spherical microfluidic particles with an extremely uniform particle distribution (D50 stable at 80-100 mesh). After adjustment, the raw material's bulk density is consistently maintained at 0.48, avoiding issues such powder leakage, sticking, and overfilling. Our innovative processes guarantee ≥99% glutathione purity and stability, ensuring our products' liver-protective performance. This high-quality antioxidant has been thoroughly tested and quality-controlled to ensure consistent efficacy throughout the medication development process. Our licensed manufacturing method assures that your liver-protecting or immune-enhancing drugs are of the greatest quality and reliability, resulting in the best possible treatment outcomes for patients.

Why Choose Our L Glutathione Reduced Powder?
Key Benefits
- 98%+ Purity: Rigorously tested via HPLC for consistency in drug efficacy.
- Enhanced Stability: Shelf-stable powder validated for global logistics.
- Clinically Researched: Proven in liver regeneration and toxin removal.
- Global Compliance: Meets USP, EP, and JP standards with full documentation.
- Oxidized glutathione (GSSG): Strictly controlled to less than 1.0%, it blocks the spontaneous chain decay of the product during production and ensures the long-term stability of the product.

Product Specification
Analysis | Specification | Result |
Physical Description | ||
Appearance | White powder | White powder |
Specific optical rotation[α]D20 | -15.5°~-17.5° | -16° |
Solubility | Soluble in water | Soluble in water |
Appearance of solution | Clear and colorless | Clear and colorless |
Chemical Tests | ||
Identification | Positive | Positive |
Assay (HPLC) | 98.0%-101.0% | 98.3% |
Ash | 0.1% Max | 0.07% |
Loss on drying | 0.5% Max | 0.28% |
Sulfates | 300.0ppm Max | <300.0ppm |
Ammonium (NH4) | 200.0ppm Max | <200.0ppm |
Chlorides | 200ppm Max | <200.0ppm |
Related Substances | Gross contamination 2.0% Max | 1.4% |
GSSG 1.5% Max | 0.6% | |
Heavy metals | ||
Lead | 2.0mg/kg Max | <2.0mg/kg |
Arsenic | 2.0mg/kg Max | <2.0mg/kg |
Cadmium | 1.0mg/kg Max | <1.0mg/kg |
Mercury | 0.1mg/kg Max | <0.1mg/kg |
Microbiology Control | ||
Total plate count | 1,000cfu/g Max | <1,000cfu/g |
Yeast & Mold | 100cfu/g Max | <100cfu/g |
Coli group | 0.3MPN/g Max | <0.3MPN/g |
Conclusion | Complies with the Standard. | |
General Status | Non-GMO, ISO Certificated. | |
Packing and Storage | ||
Packing: Pack in paper-carton and two plastic-bags inside. | ||
Shelf life: 2 year when properly stored. | ||
Storage: Store in a well-closed place with constant low temperature and no direct sun light. | ||
Applications in Modern Therapies
L Glutathione Reduced is a cornerstone ingredient for:
- Liver Protection: Helps manufacture medications that combat hepatitis, fatty liver, and damage caused by toxins.
- Detox Solutions: Binds heavy metals and pollutants in clinical detox protocols.
- Immune Modulation: Enhances cellular defense in injectables or oral supplements.
- Chronic Inflammation: Adjuvant therapy for autoimmune and metabolic disorders.

Shaanxi Hongda's Synergistic Formula Solutions:
1. Whitening High-End Hard Capsules:
Hongda High-Flow Reduced Glutathione + Trans-Resveratrol + Natural High-Concentration Rosehip Extract (Rich in Vitamin C)
Synergistic Mechanism: Resveratrol reduces free radical stimulation of melanocytes at the source; glutathione directly inhibits tyrosinase and deflects melanin in the middle stage; and natural rosehip extract (vitamin C) forcibly reduces and lightens already formed dark melanin. These three constitute a perfect "antioxidant-blocking-reduction" closed-loop system, achieving skin whitening.
2. A Solid Beverage that Protects the Liver and Reduces Stress:
Hongda Odorless Glutathione with Milk Thistle Extract and Acetylcysteine (NAC).
Synergistic Mechanism: Milk thistle stabilizes liver cell membranes; NAC serves as a precursor for glutathione synthesis within cells; and Hongda provides direct exogenous glutathione supplementation. All three chemicals act together to speed the body's chelation and detoxification of heavy metals and alcohol metabolites (acetaldehyde), addressing the "physical emergency" needs of persons who work long hours, are highly stressed, and frequently attend social gatherings.
3. Anti-Photoaging Whitening Essence:
Hongda High-Stable Glutathione + Ectoin + Small Molecule Sodium Hyaluronate.
Synergistic Mechanism: Ectoin establishes a powerful "water molecule protective shield" on the skin's surface to combat UV heat stress, while glutathione rapidly fades dark spots in the deeper layers of the skin. Utilizing Hongda's micro-recrystallization antioxidant technology, the essence does not easily change color or crystallize in a skin-friendly system with a standard pH of 4.5-5.5, perfectly creating a high-end anti-aging skincare product.

Backed by Science
White Paper: "Glutathione in Hepatoprotective Drug Development" — Explore bioavailability and clinical efficacy.
Case Study: Discover how a leading pharma company reduced production costs by 18% using our glutathione in tablet formulations.

Quality Assurance Excellence
We have a strict quality control system in place to make sure that every batch of L Glutathione Reduced Powder meets the high standards for medicinal grade products. We follow cGMP rules very closely at every step of the manufacturing process, from getting the raw materials to putting the products in their finished boxes.

Certification Portfolio
- FDA 21 CFR Part 211 compliance
- ISO 9001:2015 Quality Management
- cGMP manufacturing certification
- Kosher and Halal certifications available
- Third-party testing validation
Testing Protocol: Each batch undergoes extensive analysis including HPLC purity verification, heavy metal screening, microbial contamination testing, and residual solvent analysis. Complete certificates of analysis and stability data packages accompany every shipment.

FAQ
Q: How is purity verified for pharmaceutical use?
A: Each batch undergoes HPLC testing to confirm ≥99% purity, with CoA provided.
Q: Does it meet USP/EP standards for liver health formulations?
A: Yes. Our powder complies with pharmacopeial guidelines for APIs and excipients.
Q: Can it be used in enteric-coated tablets?
A: Absolutely. We offer custom blends for specialized delivery systems.
Q: What’s the lead time for 500kg orders?
A: 2-3 weeks post-approval, with expedited shipping available.
Q: Are free samples offered?
A: Qualified buyers receive 50g samples for testing.
Contact Us
Want to boost your treatment recipes with high-quality ingredients? Our pharmaceutical solutions team is ready to chat about your needs and provide you unique rates for your L Glutathione Reduced Powder needs.
📧 Direct Contact: duke@hongdaherb.com


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