May 2020

Mastering Selenium

Selenium is a naturally occurring metalloid element that is essential to both humans and animal in trace amounts. Of all the elements, selenium has one of the narrowest ranges between dietary deficiency and toxic levels.  Selenium status of populations, animals and crops varies markedly around the world.17 Selenium is a trace element that until 1957 was thought to be only toxic. Gradually, it became clear that selenium plays an important role...