Selenium is a key component of a number of functional selenoproteins required for normal health. The best know of these are the antioxidant glutathione peroxidase enzymes. Selenium plays an important role in the control of thyroid hormone metabolism and is important for proper reproductive performance.
Blood Test Types
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Certain lab tests may come back in the "normal" range. Reference ranges do not always mean "optimal." Patients may still experience symptoms in the "normal" range. It is important to speak with a qualified health practitioner regarding normal vs optimal.
This lab test can be purchased without a physician and drawn at a Quest Diagnostics location. A small draw fee of $ 8 will be applied at checkout. There are no other "hidden" fees unless noted on the lab test.
Currently, NY, NJ, and RI state laws prohibit direct-access testing. This lab test cannot be conducted at lab locations within these states at this time.
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