Selenium

Mineral that supports thyroid function

1/22Providers

Thyroid FunctionCategory

70-150 μg/LReference

Limited Availability

1 providers include this

Reference Range

70-150 μg/L

What is Selenium?

Mineral that supports thyroid function

Why It Matters

Essential for thyroid hormone conversion and antioxidant protection. Deficiency impairs thyroid function. Important for autoimmune thyroid disease.

Reference Range: 70-150 μg/L

Which Providers Test Selenium?

Function

Included in panel

Full Provider Comparison

Provider	Includes	Annual Cost	Biomarkers
Superpower	—	$199	100+ (150 with ratios)
WHOOP Advanced Labs	—	$349	65
Labcorp OnDemand	—	$398	30+
Life Extension	—	$486	40+
Everlywell	—	$468	83
Mito Health	—	$349	100+
InsideTracker	—	$680	54
Function Health	✓	$365	100+
Marek Health Base	—	$250	65
Marek Health Comprehensive	—	$495	70+
Marek Health Complete	—	$895	100+
Marek Health Executive	—	$1950	150+
Blueprint	—	$399	100+
Quest Health	—	$Varies	75+
Empirical Health	—	$190	100+
Oura Health Panels	—	$99	50
SiPhox Health	—	$125	60
Hims Labs Base	—	$199	50
Hims Labs Advanced	—	$499	120+
Healthspan	—	$4188	80+
Vitality Blueprint Standard	—	$375	85
Vitality Blueprint Elite	—	$700	129

Ready to Test Selenium?

1 providers include this biomarker in their panels

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Frequently Asked Questions

What does Selenium test for?

Selenium is a thyroid function biomarker. Mineral that supports thyroid function The normal reference range is 70-150 μg/L.

Which providers include Selenium?

1 of 22 providers include this test:Function.

How often should I test Selenium?

For most people, testing 2-4 times per year is recommended to establish baseline levels and track trends. Consult your healthcare provider for personalized recommendations.

What is the optimal range?

The standard reference range is 70-150 μg/L. Many functional medicine practitioners recommend tighter optimal ranges for peak health. Your ideal range may vary based on age, sex, and health goals.

Why is Selenium important?

Essential for thyroid hormone conversion and antioxidant protection. Deficiency impairs thyroid function. Important for autoimmune thyroid disease.

Medical Disclaimer

This information is for educational purposes only and is not medical advice. Always consult with a qualified healthcare provider about your specific health needs.