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NAC Bulk Powder N-Acetyl-L-Cysteine CAS 616-91-1

Product name: N-Acetyl-L-cysteine

CAS NO: 616-91-1

Molecular formula: C5H9NO3S

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Place of Origin: China
Brand Name: FIRSKY
Model Number: 1KG
Certification: SGS,ISO 9001
Purity: 99%
Packaging Details: Custom aluminum packages,paper boxes,wooden cartons
Delivery Time: Tracks available within 3-5 working days after payment received
Payment Terms: Escrow,Bank transfer,Western Union,Money Gram,Wise,Crypto currencies
Supply Ability: 2000T/Mouth


N-Acetyl-L-cysteine (NAC) is a derivative of the amino acid L-cysteine, and it is commonly used as a dietary supplement and medication due to its diverse health benefits. NAC is valued for its ability to support various body functions and act as a precursor to a powerful antioxidant known as glutathione.

Here are some key points about N-Acetyl-L-cysteine:

  • Chemical Structure: N-Acetyl-L-cysteine is an acetylated form of the amino acid L-cysteine. Its chemical structure consists of an acetyl group (CH3CO-) attached to the amino group of L-cysteine.

  • Precursor to Glutathione: One of the main reasons NAC is popular is its role as a precursor to glutathione, a powerful antioxidant present in the body's cells. Glutathione helps protect cells from oxidative damage caused by free radicals and reactive oxygen species.

  • Antioxidant Properties: NAC itself also exhibits antioxidant properties, neutralizing harmful free radicals and reducing oxidative stress in the body. As a result, it helps to maintain cellular health and supports various organ systems.

  • Mucolytic Effects: NAC has mucolytic properties, meaning it can break down and reduce the thickness of mucus. This makes it useful in managing respiratory conditions like bronchitis and chronic obstructive pulmonary disease (COPD), where excessive mucus production can obstruct airways.

  • Acetaminophen Overdose Treatment: NAC is used as an antidote for acetaminophen (paracetamol) overdose. It helps protect the liver from the toxic effects of an excess of acetaminophen by promoting the production of glutathione.

  • Support for Lung Health: NAC has been studied for its potential benefits in various lung-related conditions, including chronic bronchitis, COPD, and cystic fibrosis. It may help improve lung function and reduce the frequency and severity of respiratory exacerbations.


N-Acetyl-L-cysteine (NAC) has a wide range of uses due to its diverse properties and benefits. Some of the main uses of N-Acetyl-L-cysteine include:

  • Antioxidant Support: NAC is a precursor to glutathione, one of the body's most potent antioxidants. It helps replenish glutathione levels in cells, supporting the body's defense against oxidative stress and neutralizing harmful free radicals.

  • Respiratory Health: NAC has mucolytic properties, meaning it can break down and reduce the thickness of mucus. It is used to help manage respiratory conditions characterized by excessive mucus production, such as chronic bronchitis, chronic obstructive pulmonary disease (COPD), and cystic fibrosis. NAC can help improve airway clearance and reduce respiratory symptoms.

  • Acetaminophen Overdose Treatment: NAC is used as an antidote for acetaminophen (paracetamol) overdose. It helps protect the liver by promoting the production of glutathione, which detoxifies the toxic metabolites of acetaminophen. Administering NAC early after acetaminophen overdose can prevent or reduce liver damage.

  • Liver Health Support: NAC's antioxidant and detoxifying properties are beneficial for liver health. It may support liver function and help protect against liver damage caused by toxins, alcohol, and certain medications.

  • Mental Health Support: Some research suggests that NAC may have potential benefits for mental health conditions, such as depression, anxiety, and obsessive-compulsive disorder (OCD). It is believed to modulate certain neurotransmitter systems and reduce oxidative stress in the brain.

  • Cardiovascular Health: NAC's antioxidant properties may have potential benefits for cardiovascular health. It may help improve endothelial function, reduce inflammation, and protect blood vessels from oxidative damage.

  • Support for Detoxification: NAC is involved in the detoxification process in the body, particularly in the elimination of harmful substances like heavy metals and environmental toxins.

It's essential to note that while N-Acetyl-L-cysteine has various potential uses and benefits, its appropriate use should be discussed with a healthcare professional. NAC supplements should be used judiciously and under the guidance of a qualified healthcare provider, especially for individuals with pre-existing health conditions or those taking other medications. The specific dosages and treatment regimens may vary depending on the individual's medical condition and health goals.


Chemical name: N-Acetyl-L-cysteine
CAS Number: 616-91-1
Molecular form: C5H9NO3S
Appearance: white powder
Mol. Weight: 163.19
Storage: 2-8°C


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2.If you have any questions, please feel free to ask questions, we will reply to your questions within 48 hours.

3.If you have any questions after receiving the goods, please feel free to contact us. If the loss is caused by us, we guarantee 100% compensation.


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