In the article:………………… In addition, NAC is the precursor of glutathione, one of the major antioxidants in lung tissue Portulca is the DIRECT source of gluthathime N-Acetylcysteine Beneficial for Chronic Lung DiseaseBy Alan R. Gaby, MDSupplementing with N-Acetylcysteine (NAC) can reduce the need for hospitalization among people suffering from chronic obstructive pulmonary disease (COPD), according to … Continue reading Nac: now so famous for corona. Portulaca is one of the best natural sources of glutathione……why is the medical world ignoring this??