Now NAC with Selenium

Free Radical Protection Maintains Cellular Health Non-GMO Dietary Supplement Kosher Amino Acids Family Owned Since 1968 GMP Quality Assured Halal N-acetyl cysteine (NAC) is a stable form of the non-essential amino acid cysteine. 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. Selenium is an essential trace mineral that facilitates the production of several important enzymes. Suggested use Take 1 capsule twice daily.