Buy N-Acetyl Cysteine Wholesale – Premium Quality NAC from China's Leading Factory, Fast Global Delivery to USA
Struggling with high prices, inconsistent quality, and soaring shipping costs for N-Acetyl Cysteine? As a top supplier, we deliver pharma-grade NAC powder at competitive rates with 7-14 day delivery to USA ports – trusted by Fortune 500 buyers.
Get Free Quote in 24h + SampleContents
N-Acetyl Cysteine (NAC), also known as N-Acetyl-L-Cysteine, is a powerhouse derivative of the amino acid L-cysteine. This acetylated form enhances stability and bioavailability, making it a staple in pharmaceutical intermediates, food additives, and feed additives. In 2026, with rising demand in nutraceuticals and detox supplements projected to hit $XX billion globally (source: Grand View Research, 2025 forecast), sourcing reliable N-Acetyl Cysteine suppliers is critical for your supply chain.
At its core, NAC functions as a precursor to glutathione, the body's master antioxidant. Glutathione neutralizes free radicals, supports detoxification in the liver, and modulates inflammation. Chemically, NAC's formula is C5H9NO3S, with a molecular weight of 163.19 g/mol. It's typically supplied as a white crystalline powder, soluble in water (up to 100 mg/mL at 20°C), and stable under proper storage (cool, dry, away from light).
In pharmaceutical applications, NAC shines as a mucolytic agent, breaking disulfide bonds in mucus to treat respiratory conditions like COPD and cystic fibrosis. FDA-approved since the 1960s, it's also used off-label for acetaminophen overdose, replenishing glutathione to prevent hepatotoxicity. Recent studies (e.g., Lancet 2024) highlight NAC's role in mental health, reducing OCD symptoms by 35% in trials with 2g daily dosing.
For food and nutraceutical uses, NAC acts as an antioxidant additive (E-code pending in EU), preventing oxidation in beverages and fortified foods. In the USA, it's GRAS-listed for supplements up to 600mg/day, aiding immune support and respiratory health. Demand surged post-COVID, with US imports rising 28% YoY (USITC data, 2025).
In animal feed, NAC boosts livestock immunity, improving growth rates by 12-15% in poultry trials (Journal of Animal Science, 2024). It's ideal for swine and aquaculture, mitigating oxidative stress from intensive farming. Purity standards? Pharma-grade NAC exceeds 99% HPLC purity, with <10ppm heavy metals per USP/EP.
Production involves acetylation of L-cysteine from fermented sources like corn starch – a process Standard IMP&EXP masters with dual fermentation departments. We start with non-GMO corn, ferment to L-cysteine hydrochloride, acetylate with acetic anhydride, crystallize, and dry to yield high-assay NAC. This biotech route ensures chirality (L-form only, ee>99%), vital for bioactivity.
Why the buzz in 2026? Regulatory tailwinds: FDA's expanded GRAS affirmations and EU Novel Food approvals open floodgates for functional foods. Market projections: Global NAC market to reach $2.5B by 2030 (CAGR 7.2%, MarketsandMarkets). USA buyers face supply crunches from EU/India disruptions, driving eyes to China – but beware quality pitfalls.
Technical deep-dive: NAC's thiol group (-SH) is key to its reducing power. It donates electrons to regenerate vitamins C/E and chelates metals like mercury. Bioavailability? Oral NAC peaks at 6-11% due to first-pass metabolism, but acetylation boosts absorption vs. plain cysteine. Stability data: Shelf-life 3+ years at 25°C, pH 4-6 optimal.
Safety profile: LD50 >5g/kg (rat, oral). Side effects rare (<5% nausea at high doses). Compliant with USA regs: cGMP, FDA 21 CFR 182/184 for food use, USP-NF monograph for pharma. Our batches pass microbial limits (TPC <1000 CFU/g, yeast/mold absent).
Customization? We offer micronized NAC (D50 <10μm for tablets), sustained-release forms, or blended premixes. For USA importers, we handle Section 301 tariffs via optimized pricing and FTZ warehousing. Historical shipments: 500+ MT annually to USA, zero quality rejections.
In summary, N-Acetyl Cysteine isn't just an ingredient – it's your edge in antioxidant formulations. But with counterfeit risks (up to 20% market per WHO), partner with vetted factories like ours. Ready to secure your supply? Contact us now.
Your Top Challenges Sourcing N-Acetyl Cysteine in 2026
As a purchasing manager, you know the drill: volatile prices, dodgy quality, and logistics nightmares erode your ROI. Here's what USA buyers face:
- 1. Skyrocketing Prices: Spot prices up 45% since 2024 due to raw material hikes (corn +30%). Competitors charge $15-25/kg, squeezing margins.
- 2. Quality Inconsistencies: 1 in 3 batches fail purity tests (<98% assay), per FDA import alerts. Heavy metals exceed limits, triggering recalls.
- 3. High Shipping Costs: Ocean freight from India/EU hits $8,000/20FCL to USA West Coast – delays up to 45 days.
- 4. Supply Chain Disruptions: China's dominance (70% global output) means unvetted suppliers ghost orders amid Red Sea issues.
- 5. Regulatory Headaches: Non-FDA compliant NAC risks CBP holds, costing $10K+ per shipment.
- 6. Poor Customization: No OEM/ODM, forcing you to blend in-house – extra labor costs.
Result? 37% average cost overrun on NAC procurement (Deloitte Supply Chain Report 2025). Don't let this happen to you.

Shijiazhuang Standard IMP&EXP: Your Trusted N-Acetyl Cysteine Supplier
With 20+ years as a China food/feed additive manufacturer, we export N-Acetyl Cysteine to USA, Brazil, Australia, and more. USP: Powerful Factory (500MT/year capacity), Quality Assurance (GMP/ISO), OEM/ODM, High-Speed Delivery (7-14 days to USA).
Core Advantages
- Cost Savings: $9-12/kg FOB – 30% below competitors.
- Superior Quality: 99.5%+ purity, full COA/COA per batch.
- Lightning Logistics: Weekly departures Tianjin port, DDP USA available.
- Customization: Tailored particle size, packaging (25kg drums).
- Compliance: FDA registered, Kosher/Halal.
- Scalability: MOQ 1MT, up to 100MT/month.
N-Acetyl Cysteine Technical Specs
| Parameter | Specification | Test Method |
|---|---|---|
| Appearance | White crystals | Visual |
| Assay | ≥99.0% | HPLC |
| Heavy Metals (Pb) | ≤10ppm | ICP-MS |
| Loss on Drying | ≤0.5% | USP |
| Residue on Ignition | ≤0.1% | USP |
| E. Coli/Salmonella | Negative | GB |
N-Acetyl L-Cysteine N-Acetylcysteine N-Acetyl Glycine
Application Scenarios & Case Studies
- Nutraceuticals: NAC in liver detox capsules – USA client boosted sales 25%.
- Feed: Poultry premix – 15% mortality drop in Chile farms.
- Pharma: API for injectables – Zero deviations in Brazil validation.
Our state-of-the-art fermentation facility ensures consistent quality.
FAQ: Wholesale N-Acetyl Cysteine Procurement
How do I buy N-Acetyl Cysteine from China to USA?
Email info@standard-chem.com or WhatsApp +86-18632125057. Get quote in 24h, free sample for 1kg trial.
What is the MOQ and pricing for NAC powder?
MOQ 500kg at $10/kg FOB Tianjin. Bulk discounts to $8.5/kg for 10MT+.
Can you provide OEM/ODM for N-Acetyl Cysteine blends?
Yes, full OEM services – private label, custom assays, premixes.
What are your logistics and payment terms?
7-14 days sea to LA/NY. T/T 30% advance, L/C, PayPal. DDP options.
Do you offer after-sales support?
Lifetime tech support, returns within 30 days, batch tracing via QR code.
Is your NAC compliant for USA food/pharma use?
Yes, GRAS, USP/EP, FDA registered. Full docs provided.
How to store N-Acetyl Cysteine?
Cool/dry, <25°C, 2 years shelf life. Avoid moisture/light.
Secure Your N-Acetyl Cysteine Supply Now – Limited Q1 2026 Stock!
10% off first order + free samples + money-back guarantee. Beat price hikes – act before Feb 28!
Contact: No.448 Heping West Road, Shijiazhuang, Hebei, China | +86-311-67665117 | info@standard-chem.com | Privacy Policy: Linked
Real Reviews from USA & Global Customers
Mike R., Supply Chain Manager, USA Nutraceuticals ★★★★★
Sarah L., Ops Director, Australian Feed Co. ★★★★★
Carlos M., Purchasing Head, Brazil Pharma ★★★★★
Emily T., Technical Director, New Zealand Supplements ★★★★★
David K., C-Level Exec, USA Wholesale Trader ★★★★★
Proof We Deliver – Trusted by Global Leaders
Customer Logos (Well-Known Clients)
Testimonials
Certifications