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The Selenium Test measures selenium levels in blood to evaluate nutritional status and overall health. Selenium is essential for thyroid function, antioxidant defense, and immune support. Low levels may cause fatigue, muscle weakness, thyroid problems, or impaired immunity, while high levels may indicate toxicity. Doctors use this test to monitor nutrition, supplementation, or suspected deficiency. Results provide key insight into metabolic health and antioxidant balance.
The Selenium RBC Test measures selenium levels inside red blood cells, providing a more accurate reflection of long-term selenium status than serum testing. Selenium is essential for antioxidant defense, thyroid function, and immune health. Abnormal results may indicate deficiency linked to fatigue, thyroid disorders, or poor immunity, or excess from supplementation. Doctors use this test to evaluate nutritional balance, guide treatment, and monitor metabolic health.
The Selenium Micronutrient Blood Test measures selenium levels in the blood to assess nutritional status and detect deficiencies or excess. Selenium is a powerful antioxidant that supports thyroid function, immune defense, and protection against oxidative stress. This test helps identify dietary insufficiency, malabsorption, or toxicity, supporting diagnosis and management of overall health and wellness.
Patient must be 18 years of age or older.
The UltaNutrient™ Complete Micronutrient Panel delivers a comprehensive evaluation of essential vitamins, minerals, and electrolytes that support metabolic function, immune balance, and cellular health. Measuring iron status, magnesium (serum and RBC), zinc, copper, selenium, vitamins A, B6, B12, D, E, folate, and key electrolytes, this panel provides an in-depth view of micronutrient balance.