Pure Encapsulations NAC 900 mg – N-Acetyl Cysteine Amino Acid Supplement for Lung & Immune Support, Liver & Antioxidants* – 120 Capsules

Customers find the supplement to be of great quality with clean ingredients, and report health benefits including improved lung function and overall well-being. However, experiences with side effects are mixed, with some customers reporting no stomach issues while others experience acid reflux.