Premium N-Acetyl-L-Cysteine (NAC) powder by Yantai Hongyu Starry for antioxidant and respiratory health.
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N-Acetyl-L-Cysteine (NAC)

Premium N-Acetyl-L-Cysteine (NAC) Powder (CAS 616-91-1) | Powerful Glutathione Precursor

Supplied by Yantai Hongyu Starry Biotech Co., Ltd., our NAC is a high-purity crystalline powder, recognized globally for its superior antioxidant support and respiratory health benefits.

  • Assay (Dry Basis): 99.0% – 101.0% (USP/AJI/EP Standards)
  • Key Benefits: Boosts intracellular glutathione, supports lung/respiratory function, and promotes liver detoxification.
  • Odor Control: Advanced refining process ensures a consistent, manageable characteristic odor for easy encapsulation and flavoring.
  • Reliable Global Supply: Stable inventory from Yantai since 2005 with full COA, MSDS, and GMP documentation.

» For bulk pricing, technical dossiers, or samples, contact: sales@hongyustarry.com

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N-Acetyl-L-Cysteine (NAC) Powder CAS 616-91-1 – Premium Respiratory & Liver Support

N-Acetyl-L-Cysteine (NAC) is a stable form of the non-essential amino acid L-Cysteine and a powerful precursor to Glutathione. As a leading specialized manufacturer, Yantai Hongyu Starry Biotech Co., Ltd. provides high-purity NAC (≥99%) that serves as a cornerstone ingredient for respiratory health supplements, detoxification protocols, and pharmaceutical formulations worldwide.

Technical Specifications

Product Name N-Acetyl-L-Cysteine (NAC)
CAS Number 616-91-1
HS Code 2930.9010.00
Molecular Formula C5H9NO3S
Appearance White crystalline powder with characteristic odor
Assay (Dry Basis) 99.0% – 101.0% (USP/AJI/EP Standards)
Solubility Soluble in water and ethanol

Why Partner with Hongyu Starry Biotech for NAC?

Glutathione Synthesis Hub

NAC is the most effective way to boost intracellular Glutathione. Our high-bioavailability powder helps your brand deliver real antioxidant and detoxification results.

Pharmaceutical Grade Odor Control

While sulfur-containing, our advanced refining process ensures a consistent, manageable characteristic odor, making it easier for your flavoring and encapsulation teams.

Stability in Formulations

Excellent thermal and chemical stability ensures no potency loss during high-speed tableting or complex capsule blending processes.

Verified 20+ Years Excellence

Exporting from Yantai since 2005. We provide the stable bulk inventory and comprehensive regulatory dossiers (COA, MSDS, GMP) you need to scale fast.

Primary Applications

  • Respiratory Support: Acts as a mucolytic agent to break down mucus in chronic bronchitis and other lung conditions.
  • Detoxification: Critical for liver protection and replenishing glutathione levels after toxic exposure or alcohol consumption.
  • Cognitive & Mental Health: Increasingly used in psychiatric research to modulate glutamate and reduce oxidative stress in the brain.
  • Reproductive Health: Supports fertility by reducing oxidative stress in both male and female reproductive systems.

Inquiry for Bulk NAC?

Yantai Hongyu Starry Biotech provides premium N-Acetyl-L-Cysteine with competitive wholesale prices and sample support.

Contact sales@hongyustarry.com

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