An amino acid supplement to support immune system function and lung health. N-Acetyl Cysteine (NAC) is a non-essential, free form amino acid that is a highly stable form of cysteine. NAC is necessary for the production of glutathione, an antioxi-dant produced by the body. Glutathione helps the body cope with oxidative stress, which is associated with disease and improves the number and activity of immune cells within the body.
