Doctor's Best NAC Detox Regulators supports the production and utilization of glutathione, the foremost protective and regulatory antioxidant naturally concentrated in all healthy cells. NAC (N-Acetylcysteine) is proven to boost glutathione production. Selenium and molybdenum are essential for facilitating glutathione?s role in supporting energy production, detoxification and other fundamental life processes.*? Helps boost glutathione production in the brain, liver and other organs ? Helps support enzymes that neutralize natural and manmade toxins ? Helps promote healthy liver function