Selenium
Selenium functions through selenoproteins that protect against oxidative damage and support thyroid hormone metabolism.
Why it matters: Important for thyroid function — involved in converting T4 to the more active T3. Low selenium is associated with thyroid autoimmunity.
May increase with:
May decrease with:
What is Selenium?
Selenium functions through selenoproteins that protect against oxidative damage and support thyroid hormone metabolism.
What might a high or low Selenium mean?
Important for thyroid function — involved in converting T4 to the more active T3. Low selenium is associated with thyroid autoimmunity.
What is the typical reference range for Selenium?
The general-population reference range shown here is 70 – 150 µg/L. Reference ranges describe the general population and are not a personal target — discuss your results with your physician.
What can affect Selenium?
It may be higher with: Selenium supplementation, Brazil nuts, Seafood. It may be lower with: Poor soil selenium content, Malabsorption, Dialysis.