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Essential Amino Acids
An amino acid, NAC has been shown in clinical studies to be an excellent means to recharge cellular glutathione, a foundational antioxidant.
N-acetyl cysteine (NAC) is an amino acid that boosts antioxidant function and is a source of the conditionally essential amino acid L-cysteine. It has also been found to raise glutathione levels. Glutathione is an important antioxidant used in many different metabolic processes within the body. Maintaining adequate levels is important to maintaining the health of the respiratory, hepatic, and immune systems. It is also important in supporting antioxidant protection of lipids and proteins and supporting the normal response to inflammation. NAC is commonly used as an agent to help clear sinus and airway congestion caused by mucus overproduction. It also supports antioxidant and cellular detoxification pathways in the body.
Each capsule of the N-Acetyl Cysteine formulation includes 500 mg of this versatile amino acid.
Key Benefits and Features:
| Serving Size: 1 Capsule | Amount/Serving |
| N-Acetyl-L-Cysteine USP | 500 mg |
Other Ingredients: None.
Does Not Contain: Gluten, corn, yeast, artificial colors, or flavors.
Take 1 or more capsules per day or as recommended by your health care professional.
Warning: If you are pregnant or nursing, consult your physician before taking this product. Keep out of the reach of children.
Storage: Keep tightly closed in a cool, dry place.
Detox Support and Antioxidant Protection
Though studies have shown the absorption of oral glutathione to be limited, supplementation with NAC has been shown to significantly increase circulating levels of glutathione in the body. Increasing glutathione levels in turn increases the production of specialized antioxidant enzymes such as glutathione peroxidase, glutathione reductase, and detoxification enzymes such as glutathione S-transferases. Through the activity of these enzymes, NAC protects the body from oxidative damage, increases phase II detoxification, and enhances the normal breakdown of toxins and other metabolic byproducts of the body.
Respiratory Function
Studies show NAC supports normal mucous production and may positively support pulmonary and respiratory function, especially when consumed over a prolonged period. A clinical trial of 100 smokers found NAC significantly improved measures of pulmonary health, and high-dose NAC taken over a one-year period resulted in significantly improved small airway clarity and decreased frequency of respiratory challenges. A systematic review found NAC to be effective in supporting children’s pulmonary health as well. NAC was also shown to support pulmonary health after inhalation of mustard gas.
Neuropsychiatry Health
More recently, research has pointed to the role of NAC in targeting a diverse array of factors related to neuropsychiatric health. NAC has been shown to protect neurons from oxidative damage and to improve neurotransmitter production, mitochondrial function, and inflammatory balance. Studies have also highlighted the role of NAC in modulating oxidative stress as its mechanism of action in neuropsychiatric health. In one 12-week, double-blind, randomized, placebo-controlled study of NAC in children with developmental delay, NAC resulted in significant improvements in irritability scores.





