Selenium
This is what the ingredient is.
Selenium is an essential trace mineral with antioxidant functions. Found naturally in Brazil nuts and seafood.
Here is why it shows up on the label.
It works as a nutrient. Found naturally in many foods; sometimes added to supplements and infant formula.
Here is what food agencies say.
US agencies treat it as an essential nutrient. European food agencies note: UL of 300 mcg/day.
Here is what research has found.
Essential for thyroid function and antioxidant enzymes. Narrow range between adequacy and toxicity.
Here are a few things worth knowing.
Toxicity possible from excess supplementation (selenosis). Brazil nuts are very high in selenium - limit intake.
Sources
- FDA
- NIH ODS
How to read this page
We publish plain facts about this ingredient so a label is easier to read. This is not medical advice, and it is not a recommendation to buy, avoid, or use anything. For a personal health question, talk with a clinician who knows your history.