Selenium
Marker2 mL serum collected in a no additive (royal blue-top) tube in a trace-element package
Nutrition & Vitamins
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Starting at
$99
Walk-In Lab
Lowest PriceOnlineSelenium Blood Test
The Selenium Blood Test checks the amount of selenium in your blood, essential for immune support, thyroid function, and antioxidant defense, helping doctors identify deficiencies or excesses that could affect your health.
Updated 7/22/2025
$99
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