N-Acetyl-Cysteine (NAC) is a precursor to the essential sulfur-containing amino acid L-cysteine. L-cysteine is naturally found in high-protein foods such as eggs, chicken and turkey. Often referred to as the building blocks of protein, amino acids like cysteine are important to many functions in the body. Prairie Naturals NAC 1000 is sourced from non-GMO corn.

NAC offers several health benefits. It helps relieve symptoms of chronic bronchitis and supports therapy for inflammation of the respiratory system. Additionally, it reduces the severity and frequency of influenza-like symptoms. NAC also acts as an antioxidant in individuals under oxidative stress.