Figure 1 from Comparing glutathione peroxidase and glutathione reductase activity and their associations with cardiovascular measures in Africans and Caucasians : the SABPA study Semantic Scholar BRAZIL NUTSSelenium, Vitamin E, Thyroid Hormone** Brazil Nuts are high in selenium which is a much needed mineral cofactor for the enzymes DEIODINASE and GLUTATHIONE PEROXIDASE. **DEIODINASE** is needed for making T3 Solgar Yeast Free Selenium 200 Mcg L Selenomethionine Glutathione Peroxidase Proteases Signaling Pathways Minerals: Critical Micronutrients The Medical Biochemistry Page