• Why is selenium important for health?

Selenium is an essential trace element that is part of antioxidant enzymes (glutathione peroxidase) and plays a vital role in immune and thyroid function.

• What are the main goals of the serum selenium test?

The test evaluates nutritional status, diagnoses deficiency or toxicity, and helps investigate causes of thyroid dysfunction or weakened immunity.

• Who is at a higher risk of developing a selenium deficiency?

Risk groups include people with malnutrition, malabsorption conditions like Crohn's disease, and patients undergoing long-term kidney dialysis.

• What symptoms may indicate a deficiency in selenium?

Deficiency symptoms can include muscle weakness, fatigue, hair loss, and a weakened immune system leading to frequent infections.

• What are the signs of having too much selenium (toxicity)?

Signs of toxicity include nausea, vomiting, a garlic odor on the breath, brittle nails, hair loss, and nerve damage (neuropathy).

• What is considered a normal selenium level in the blood?

The normal range in serum is typically between 70 and 150 nanograms per milliliter (ng/mL).

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Serum Selenium Level Test

Serum Selenium Test

Measuring selenium levels is vital for supporting immunity and thyroid function. As a powerful antioxidant, it protects body cells from damage and promotes overall cardiovascular health.

Trusted medical contentUpdated: 04-09-2026Views: 71LHL-2333

Serum Selenium Level Test

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