N-Acetyl Cysteine&ampnbsp;(NAC) is a stable form of the non-essential amino acid L-Cysteine.&ampnbsp; It is a sulfur-containing amino acid that acts as a stabilizer for the formation of protein structures, and is also necessary for the formation of glutathione.&ampnbsp; Molybdenum and Selenium are essential trace minerals that facilitate the production of several important enzymes.*