-acetyl Cysteine (or NAC) is a more stable form of the amino acid L-Cysteine. As a precursor to L-Cysteine, NAC and helps the body synthesize Glutathione. NAC possesses antioxidant properties that may help fight cell-damaging free radicals. Studies have shown that oxidative stress caused by free radicals may contribute to premature aging of cells. 1. Essential for making the powerful antioxidant glutathione 2. Helps with detoxification to prevent or diminish kidney and liver damage 3. improve mental health conditions and substance use disorder 4.Helps relieve symptoms of respiratory conditions 5. Boosts brain health by regulating glutamate and replenishing glutathione 6. improve fertility in both men and women 7. stabilize blood sugar by decreasing inflammation in fat cells 8. reduce heart disease risk by preventing oxidative damage.