Selenium Blood Test


A test to measure the level of selenium in your blood, an essential trace mineral element with important functions throughout the body.

Results estimated in 7 working days

View 1 Biomarkers

How do you want to take your sample?

Please choose one option below
  • Book a venous draw at a clinic   +£35.00

    Visit one of our national clinic partners for a nurse to take your venous blood sample from a vein in your arm. We’ll email you instructions on how to book after we’ve processed your order.
  • Book a venous draw at home with a nurse +£59.00

  • Self-arrange a professional sample collection Free

Selenium Blood Test

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Biomarker table


Selenium - serum

Learn more

Selenium is a trace mineral that helps to maintain a healthy metabolism in the body. It also strengthens the immune system by increasing antioxidant capabilities which helps the body to defend itself against free radical damage and inflammation. Natural food sources of selenium include brazil nuts, tuna and eggs.
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Which foods are rich in selenium?

Selenium is found in many foods but has the highest quantities in Brazil nuts, seafood, kidney, and meat.

What are the symptoms of a selenium deficiency?

Selenium deficiency symptoms include weakness, dizziness, hair loss, and nausea. Although selenium is needed in your body, exposure to high levels can cause adverse health effects. Toxicity may occur following over-ingestion of supplements/foods or through occupational exposure.

What is selenium?

Selenium is an essential trace element with important functions throughout the body, including aiding the synthesis and metabolism of thyroid hormones, strengthening the immune system, and in DNA synthesis.

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