Worried about low selenium levels? Selenium is an essential mineral that supports thyroid function, immune health, and antioxidant protection. This test measures serum selenium to assess whether your levels are within a healthy range, particularly if you have dietary deficiencies, thyroid issues, or concerns about oxidative stress.
Your health, expertly explained
Go beyond the numbers
Get ready to elevate your health understanding with a personalised doctor's report. Go beyond results and tap into expert insights tailored just for you.
- Actionable advice
- Expert support
- Tailored recommendations
Blood testing made easy
How it works
You have the flexibility to choose what works best for you. Enjoy the comfort of having a friendly nurse visit your home for a quick blood draw, opt for a convenient visit to one of our nationwide partner clinics, or self-arrange a draw at a location that suits you.
Take control of your health with Medichecks – order your blood test today!
Our portal, your results
Track, improve, and monitor your health over time.
MyMedichecks is your personal online dashboard where you can view your results, access clear and simple explanations about individual health markers, monitor changes in your health, and securely store information about your medical history, lifestyle and vital statistics.
What's in the test?
Minerals
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.
How to prepare for your test
Test limitations
Reviews
FAQs
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.