Naka Enhanced NAC 600mg - N-Acetyl-L-Cysteine is a free form amino acid and a powerful antioxidant that has shown itself to be an effective detoxifier and a natural strengthener of the immune system. NAC helps to reduce the severity & frequency of influenza-like symptoms & supports the immune system in adults over 65 or suffering from chronic degenerative disease. NAC has also proven effective as a fighter of bronchopulmonary disorders such as chronic bronchitis, asthma and cystic fibrosis, by breaking up mucus and facilitating its elimination.