Life Extension, cooked chicken adorned with cranberries on vineontop of white dish, sideways on white background

NAC 

NAC (N-Acetyl-L-Cysteine) is an easily-absorbed nutrient with robust benefits for bronchial, respiratory, liver and immune health.

N-acetyl-L-cysteine supports bronchial and respiratory health and healthy glutathione levels. It is also a chemical precursor to glutathione, a powerful antioxidant which protects cells from free radical damage.