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Selenium

Minerals

Selenium

Essential trace mineral important for antioxidant defense and thyroid hormone metabolism.

Mineral or nutrientUpdated Jan 9, 2024
Health score+2.0
-5Good5

Water guidelines

Legal limit
0.05 mg/L
Health guideline
0.03 mg/L

Food and supplement guidelines

Legal limit
Not specified
Health guideline
400 mcg

Risks

Toxicity at high doses leading to selenosis, gastrointestinal symptoms, hair loss, nail brittleness

Benefits

Supports antioxidant enzymes, thyroid function, immune system support

References

Waters containing Selenium

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