WHAT IS IT?
NAC is N-Acetyl-Cysteine, the acetylated version of the sulfur amino acid, l-Cysteine. Most capsules contain 600 mg of N-Acetyl-Cysteine. Other ingredients are rice flour, gelatin and water.
WHAT DOES IT DO?
NAC is a very potent antioxidant, chelating agent, and the precursor of...