Selenium Blood Test, from our experts to you.
Dr Sam Rodgers MBBS, MRCGPChief Medical Officer
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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.
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.