Sodium Selenite
This is what the ingredient is.
Sodium selenite is an inorganic selenium compound used for food fortification and dietary supplements.
Here is why it shows up on the label.
Provides selenium for fortification of infant formula and dietary supplements. Essential for thyroid function and antioxidant defense.
Here is what food agencies say.
The FDA has approved it for food fortification. EFSA established upper limit of 300 μg/day. It is permitted in many countries worldwide.
Here is what research has found.
Selenium is an essential trace element. Deficiency associated with Keshan disease. Narrow margin between adequate and toxic levels.
Here are a few things worth knowing.
Toxic at high doses (selenosis). Symptoms include hair loss, nail brittleness, and garlic breath. Stay within recommended limits.
Sources
- FDA Dietary Supplement Guidelines
- EFSA Dietary Reference Values
- WHO Technical Report
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.