Do not use this product if you are taking antibiotics or nitroglycerin.
.Recommended Dosage: Adults only: Take one (1) capsule daily with meals, or as directed by a health care practitioner.Arcwell NAC N-Acetyl-L-Cysteine 600mg In addition, studies show NAC helps attenuate the severity and frequency of influenza-like symptoms and improve immunity. NAC has been demonstrated to relieve symptoms of chronic bronchitis and help clear excess mucus in the lungs in people with cystic fibrosis or chronic obstructive pulmonary disease (COPD).