Medyra
Trace Elements

Reviewed: 13. Juli 2026

Se Selenium

Unit: µg/l

Quick Explanation

Selenium is a trace element with antioxidant function that's important for the thyroid and immune system. A deficiency usually results from an unbalanced diet or artificial feeding; an overdose is rare with normal diet.

📊 Reference Values

Low
below 50 µg/l
Normal
50 – 120 µg/l
Elevated
above 120 µg/l

ℹ️ Reference ranges may vary slightly between laboratories. Always compare your value with the reference range from your own lab report.

🔍 Possible Causes

Value too high — possible causes

  • ·Overdose from dietary supplements

Value too low — possible causes

  • ·Unbalanced diet
  • ·Artificial feeding
  • ·Chronic bowel diseases

This list shows possible causes — not a diagnosis. Only your doctor can correctly interpret your result.

🩺 Questions for Your Doctor

  • Could a selenium deficiency affect my thyroid values?
  • Should I supplement selenium?

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Medical Disclaimer

The content on this page is for general information only and does not replace professional medical advice, diagnosis, or treatment. Always consult your doctor or pharmacist for health-related questions. Lab values should always be assessed in the context of your personal medical history.

Selenium explained | Medyra | Medyra AI