This 'oxidative stress' appears to be a major factor in many human diseases. Selenium also contributes to normal spermatogenesis (the creation of sperm). Intensive farming has led to greatly reduced levels of this important mineral in our foods.
Selenium -90 -200mcg Vcaps by Bluebonnet Nutrition - Yeast-Free Selenomethionine
Now Foods Selenium 200mcg Essential Mineral Immune Health - 90 vcaps
Now Foods Selenium 200mcg 90 vcaps, Now Foods
NOW Foods Selenium 200mcg 90 vcaps - Exp.01/31
Swanson - Albion Selenium, 200mcg - 90 vcaps