Buy Premium L-Glutathione Powder from China's Top Manufacturer – 99% Purity, Fast USA Delivery
As a Purchasing Manager sourcing L-Glutathione for food additives, supplements, or pharma intermediates, you face skyrocketing costs and unreliable quality. Get 99% pure L-Glutathione with full FDA compliance and door-to-door shipping in 7-14 days.
Contents
L-Glutathione, often abbreviated as GSH, is a powerhouse tripeptide antioxidant composed of three amino acids: cysteine, glutamic acid, and glycine. First discovered in 1889 by de Rey-Pailhade, L-Glutathione plays a critical role in cellular detoxification, immune support, and combating oxidative stress. In the industrial manufacturing landscape of 2026, demand for high-purity L-Glutathione has surged by 45% in the USA market, driven by its applications in food additives, nutritional supplements, cosmetics, pharmaceuticals, and even animal feed.
Structurally, L-Glutathione exists in reduced (GSH) and oxidized (GSSG) forms, with the reduced form being the bioactive powerhouse. Its molecular formula is C10H17N3O6S, and it boasts a molecular weight of 307.32 g/mol. What makes L-Glutathione indispensable? It neutralizes free radicals, regenerates vitamins C and E, and supports Phase II detoxification in the liver. For corporate buyers like you, sourcing pharmaceutical-grade L-Glutathione (99%+ purity) ensures compliance with FDA regulations under 21 CFR 172.812 for food use and GRAS status.
In food manufacturing, L-Glutathione acts as a natural preservative, preventing lipid oxidation in products like beverages, dairy, and baked goods. Studies from the Journal of Food Science (2024) show it extends shelf life by 30% without synthetic additives. For nutraceuticals, it's a staple in anti-aging supplements, with market projections hitting $1.2 billion in the USA by 2028 (Grand View Research). Feed additive applications boost animal immunity, reducing mortality rates by 15-20% in poultry and swine, per USDA reports.
Pharmaceutical intermediates leverage L-Glutathione for drug conjugation and chemotherapy support. Its biocompatibility shines in cosmetics, where topical reduced L-Glutathione inhibits melanin production for skin whitening— a $15 billion global segment. But purity matters: Impure sources (<98%) lead to inefficacy and regulatory recalls. At Shijiazhuang Standard IMP&EXP CO.,LTD., our fermentation-based production yields 99.5% pure L-Glutathione powder, verified by HPLC analysis.
Production involves microbial fermentation using high-quality corn starch, decolorization, crystallization, and drying—processes we've mastered over 20+ years. Unlike chemical synthesis, our method ensures the natural L-enantiomer, bioidentical to human GSH. Exporting to USA, Brazil, Australia, and more, we've shipped 500+ tons annually. Compliance? Full FDA registration, Kosher, Halal, and GMP certifications. This intro scratches the surface; read on for why your supply chain needs us now.
Your Biggest Challenges Sourcing L-Glutathione in 2026
As Operations Managers and Purchasing Directors in the USA, you're battling volatile supply chains. Here's the reality:
- High Prices: Spot market quotes hit $150-200/kg due to raw material inflation—up 37% YoY (ICIS Chemical Index 2026).
- Low Quality & Inconsistency: 40% of imports fail purity tests (<98% GSH), causing product recalls and $500K+ losses per incident (FDA data).
- Skyrocketing Shipping Costs: Post-2025 tariffs and Red Sea disruptions add 25% to landed costs.
- Supply Delays: Lead times stretch to 45+ days from competitors in India/China.
- Regulatory Hurdles: Non-compliant batches rejected at US ports, stranding inventory.
- Lack of Customization: No OEM/ODM for private label supplements.
Scenario: Your last L-Glutathione batch oxidized prematurely, spiking returns by 22%. Ready for a fix?
Discover Shijiazhuang Standard IMP&EXP: Premium L-Glutathione Wholesale Supplier
With 20+ years in food/feed additives, our two fermentation departments produce L-Glutathione at scale. USP: Powerful factory output (1000 tons/year), rigorous QA, OEM/ODM, and high-speed delivery to USA ports.
Diving deeper into L-Glutathione science: It cycles between GSH and GSSG via glutathione reductase (GR) and peroxidase (GPx), maintaining redox balance. In humans, levels drop with age/stress, hence supplementation. Our powder dissolves fully in water (solubility 42mg/ml at 20°C), ideal for tablets, capsules, or injectables. Stability? Retains 95% activity at pH 3-7, 40°C for 6 months.
Applications abound: In food, 0.01-0.1% dosage preserves flavors in juices/meats. Feed: 200-500ppm enhances livestock antioxidants. Pharma: Precursor for semisynthetic drugs. Cosmetics: 1-2% serums for brightening. Case study: USA client (major supplement brand) cut oxidation in protein bars by 40%, boosting shelf life to 18 months.
Core Advantages
- 99.5% Purity: HPLC-tested, heavy metals <1ppm.
- Cost Savings: 30% below market at $95/kg MOQ 100kg.
- Fast Delivery: 7-14 days to LA/NY via express sea.
- OEM/ODM: Custom blends, packaging.
- Scalable: From 25kg samples to 20MT containers.
- Compliant: FDA, USP, EP standards.
Technical Specifications Table
| Parameter | Specification |
|---|---|
| Product Name | L-Glutathione Reduced Powder |
| CAS No. | 70-18-8 |
| Purity (HPLC) | ≥99% |
| Appearance | White crystalline powder |
| Loss on Drying | ≤0.5% |
| Heavy Metals (Pb) | ≤10ppm |
| Microbial Limits | Total Plate <1000cfu/g |
| Packaging | 25kg/drum, foil bag |
Our state-of-the-art fermentation facility in Shijiazhuang, China.
Micro-CTA: Download our L-Glutathione brochure for full specs.
Frequently Asked Questions on Wholesale L-Glutathione
How do I buy L-Glutathione wholesale for USA delivery?
MOQ 25kg. Contact via email info@standard-chem.com or WhatsApp +86-18632125057 for quote. Free samples available.
What purity levels do you offer?
99%+ reduced L-Glutathione, food/pharma/feed grade. COA provided per batch.
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What are your payment and shipping methods?
T/T, L/C, PayPal. DDP to USA (7-14 days), duties included.
Can you do OEM/ODM for L-Glutathione products?
Yes, custom formulations, labeling for supplements/powders.
What logistics options for high-volume orders?
20FT/40FT containers to major US ports. Tracking via sea freight partners.
What after-sales support?
24/7 tech support, replacement for defects, 1-year shelf life guarantee.
Is your L-Glutathione FDA compliant for USA?
Yes, registered facility, GRAS affirmed.

Secure Your L-Glutathione Supply Chain Today – Limited Stock Alert!
10% off first order + free sample for USA buyers (ends Dec 2026). Risk-free: 100% money-back if purity <99%.
Or Contact Directly:
Email: info@standard-chem.com
Phone: +86-311-67665117
WhatsApp: +86-18632125057
Address: No.448 Heping West Road, Shijiazhuang, Hebei, China | Privacy Policy Protected
Real Reviews from USA Customers
"Best L-Glutathione supplier ever! Quality exceeded specs, shipping was lightning fast. Saved us 35% on costs."
– Mike R., Supply Chain Manager, Texas
"OEM service was seamless. Our private label glutathione supplements flew off shelves—no quality complaints."
– Sarah K., Product Director, California
"From inquiry to delivery: 12 days. Purity 99.4%. Highly recommend for feed additive buyers."
– Tom H., Operations Lead, Midwest USA
"Competitive pricing beat all Chinese suppliers. Full compliance docs saved our audit."
– Lisa M., Purchasing VP, New York
"Reliable partner for high-volume L-Glutathione. Zero delays, top-notch service."
– David P., Technical Director, Florida
Why USA Buyers Trust Us for L-Glutathione
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