Selenium RBC

Blood Test Types

99
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Biomarkers Included
Selenium RBC
Doctor/Practitioner
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.
Note
These lab tests 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. These lab tests cannot be conducted at lab locations within these states at this time.
Lab Test Category

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.

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Vitamin A (Retinol)

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Biomarkers Included
Vitamin A (Retinol)
Lab Test Category

Iodine Random Urine

Nutrient Deficiency Lab Tests
Iodine is an essential element that is required for thyroid hormone production. The measurement of urinary iodine serves as an index of adequate di...
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Biomarkers Included
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Lab Test Category