There was no advertising blitz at the bustling train station to welcome visitors to the ' home of NAC ' .
N-acetyl cysteine (NAC) may increase urinary excretion of zinc.
N-acetylcysteine (NAC) - an amino acid that naturally stimulates your body to produce glutathione - is a powerful antioxidant enzyme.
NAC is used by the body to make glutathione, the body's main naturally occurring anti-oxidant.
Studies show that NAC supplementation increases blood serum glutathione levels as high as 500% in comparison to controls.