Doctor's Best NAC Detox Regulators boosts glutathione production in the brain, liver and other organs, supports enzymes that neutralize natural and manmade toxins, and promotes the healthy functioning of numerous important proteins. The three nutrients in this product NAC (N-Acetyl Cysteine) and the essential minerals selenium, and molybdenum sustain glutathione. NAC 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. Doctor's Best NAC Detox Regulators boosts glutathione production in the brain, liver and other organs, supports enzymes that neutralize natural and manmade toxins, and promotes the healthy functioning of numerous important proteins. The three nutrients in this product; NAC (N-Acetyl Cysteine) and the essential minerals selenium, and molybdenum - sustain glutathione. Athletes use BCAAs to improve exercise performance and reduce protein and muscle breakdown during intense exercise