NAC is a sulfur-containing amino acid that acts as a stabilizer for the formation of protein structures?? and promotes the formation of glutathione.</br>Glutathione is a powerful free radical scavenging compound that also helps to maintain normal?? balanced immune system function.</br>Helps to maintain normal?? balanced immune system function.</br>Can help to support healthy brain and neuronal tissues.</br></br>Product Description</br></br>Now foods n-acetyl-cysteine is a stable form of the non-essential amino acid l-cysteine?? a sulfur-containing amino acid that acts as a stabilizer for the formation of protein structures?? and promotes the formation of glutathione.</br><br/>http://www.amazon.com/gp/product/B00KT3H13C