Dietary Supplement Critical Antioxidant With Selenium & Molybdenum Maintains Cellular Health* N-Acetyl Cysteine is a stable form of the non-essential amino acid L-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. Molybdenum and Selenium are essential trace minerals that facilitate the production of several important enzymes. Contains no: sugar, salt, starch, yeast, wheat, gluten, corn, soy, milk, egg, shellfish or preservatives. Disclaimers: *These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure or prevent any disease.