Life Extension N-Acetyl-L-Cysteine, 600 mg, 60 CapsulesLife Extension NAcetylLCysteine (NAC) provides 600 mg of NAC per capsule, with a total of 60 capsules per bottle. NAC is a precursor to glutathione, a critical antioxidant that helps protect cells from oxidative stress and free radical damage. This supplement supports bronchial and respiratory health, promoting overall lung function. NAC plays a vital role in maintaining healthy glutathione levels, which are essential for cellular defense against