Free Testosterone

Bioavailable testosterone not bound to proteins

17/22Providers
Sex Hormones (Male)Category
5.0-21.0 ng/dL, or 1Reference

Widely Available

17 of 22 providers

Category

Sex Hormones (Male)

Reference Range

5.0-21.0 ng/dL, or 1.5-3% of total

What is Free Testosterone?

Bioavailable testosterone not bound to proteins

Why It Matters

Biologically active form of testosterone. More accurate assessment of testosterone status than total testosterone. Reflects actual hormone available to tissues.

Reference Range: 5.0-21.0 ng/dL, or 1.5-3% of total

Which Providers Test Free Testosterone?

Superpower
Included in panel
Blueprint
Included in panel
Mito Health
Included in panel
WHOOP
Included in panel
Function
Included in panel
InsideTracker
Included in panel
Marek Comp.
Included in panel
Marek Complete
Included in panel
Marek Exec.
Included in panel
Life Ext.
Included in panel
Everlywell
Included in panel
SiPhox Health
Included in panel
Healthspan
Included in panel
Hims Base
Included in panel
Hims Adv.
Included in panel
Vitality Std
Included in panel
Vitality Elite
Included in panel

Full Provider Comparison

ProviderIncludesAnnual CostBiomarkers
SuperpowerSuperpower✓$199100+ (150 with ratios)
WHOOP Advanced LabsWHOOP Advanced Labs✓$34965
Labcorp OnDemandLabcorp OnDemand—$39830+
Life ExtensionLife Extension✓$48640+
EverlywellEverlywell✓$46883
Mito HealthMito Health✓$349100+
InsideTrackerInsideTracker✓$68054
Function HealthFunction Health✓$365100+
Marek Health BaseMarek Health Base—$25065
Marek Health ComprehensiveMarek Health Comprehensive✓$49570+
Marek Health CompleteMarek Health Complete✓$895100+
Marek Health ExecutiveMarek Health Executive✓$1950150+
BlueprintBlueprint—$399100+
Quest HealthQuest Health—$Varies75+
Empirical HealthEmpirical Health—$190100+
Oura Health PanelsOura Health Panels—$9950
SiPhox HealthSiPhox Health✓$12560
Hims Labs BaseHims Labs Base✓$19950
Hims Labs AdvancedHims Labs Advanced✓$499120+
HealthspanHealthspan✓$418880+
Vitality Blueprint StandardVitality Blueprint Standard✓$37585
Vitality Blueprint EliteVitality Blueprint Elite✓$700129

Ready to Test Free Testosterone?

17 providers include this biomarker in their panels

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Frequently Asked Questions

What does Free Testosterone test for?
Free Testosterone is a sex hormones (male) biomarker. Bioavailable testosterone not bound to proteins The normal reference range is 5.0-21.0 ng/dL, or 1.5-3% of total.
Which providers include Free Testosterone?
17 of 22 providers include this test:Superpower, Blueprint, Mito Health, WHOOP and others.
How often should I test Free Testosterone?
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 5.0-21.0 ng/dL, or 1.5-3% of total. 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 Free Testosterone important?
Biologically active form of testosterone. More accurate assessment of testosterone status than total testosterone. Reflects actual hormone available to tissues.

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.