Selenium

What is the Selenium Blood Test?

It measures levels of selenium in the blood to detect deficiencies or toxic levels.


What are the normal selenium levels?

Normal range of selenium levels lies between 70–150 µg/L.


What happens if selenium levels are too high or low?

Neither high nor low levels of selenium is appropriate for the human body. This might indicate:

Deficiency: Weak immune system, fatigue, thyroid issues
Toxicity: Nausea, hair loss, nerve damage



What foods are rich in selenium?

Brazil nuts, eggs, seafood, and whole grains are highly rich in selenium.