QLU Health
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| Product Name | N-acetylcysteine (NAC) |
| Appearance | White powder |
| CAS | 616-91-1 |
| Test Method | HPLC |
| Chemical Formula | C5H9NO3S |
| Molecular Weight | 163.19 |
| Specification | 99% |
N-acetylcysteine (NAC) is a chemical substance primarily utilized as an expectorant in clinical practice. Research indicates its multifaceted benefits, including respiratory function improvement, robust antioxidant properties, and enhanced immune support. By stimulating pulmonary surfactant secretion and protecting lung structures from elastase destruction, NAC significantly supports long-term pulmonary health.
NAC stimulates surfactant formation in alveolar type II cells, facilitating effective expansion and increasing gas exchange areas. It acts by activating anti-protease and inhibiting elastase that could otherwise damage alveolar elastin.
NAC exerts antioxidant effects through three pathways: directly neutralizing free radicals, restoring GSH (glutathione) activity, and promoting biosynthetic processes in the liver, protecting tissues from oxidative stress.
Studies have shown that NAC treatment significantly reduces the variety of bacteria in the lower respiratory tract, providing a clear explanation for reduced deterioration rates in chronic bronchitis patients.
NAC inhibits viral replication and stimulates T-lymphocyte response. By increasing the phagocytic function of macrophages, it plays a vital role in preventing respiratory infections.
