Iodine

Essential mineral for thyroid hormone production

1/22Providers

Thyroid FunctionCategory

52-109 μg/L, WHO optReference

Limited Availability

1 providers include this

Reference Range

52-109 μg/L, WHO optimal:100-199 μg/L

What is Iodine?

Essential mineral for thyroid hormone production

Why It Matters

Required for thyroid hormone synthesis. Deficiency causes hypothyroidism and goiter. Excess can trigger autoimmune thyroid disease.

Reference Range: 52-109 μg/L, WHO optimal:100-199 μg/L

Which Providers Test Iodine?

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 Iodine?

1 providers include this biomarker in their panels

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Frequently Asked Questions

What does Iodine test for?

Iodine is a thyroid function biomarker. Essential mineral for thyroid hormone production The normal reference range is 52-109 μg/L, WHO optimal:100-199 μg/L.

Which providers include Iodine?

1 of 22 providers include this test:Function.

How often should I test Iodine?

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 52-109 μg/L, WHO optimal:100-199 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 Iodine important?

Required for thyroid hormone synthesis. Deficiency causes hypothyroidism and goiter. Excess can trigger 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.