Selenium is critical for the production of glutathione peroxidase, the body's primary antioxidant that is found in every cell.

Other foods with high levels of sulphur (to help with glutathione peroxidase production) are broccoli, Onions, avocados, eggs, and asparagus.

It assists in detoxification processes in the liver by increasing the activity of super oxide dismutase and glutathione peroxidase.