Selenomethionine is contained in some supplements. Selenium, itself, may be a Supplement and presented in different forms.
What is Selenomethionine or Selenium? How safe is it in its different forms? What different forms are they in? Which form is Cytotoxic? How much is recommended? Is there any effect on Cancer?
All you need to know about Selenomethionine, Selenium, organic or synthetic, and selenite and selenocystamine, and which is cytotoxic or not, read the research articles by clicking: