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Vitality Indicator
Free Testosterone
A vitality indicator measuring your body’s primary androgenic hormone — central to muscle, mood, libido, and metabolic health.
Latest Reading
8.2pg/mL
Average· March 15, 2026
Optimal Range
15–25pg/mL
Peak performance zone
Average Range
5–21pg/mL
Population norm
6-Month Trend
-1.3pg/mL
Declining
Section 01 · Trend
Your trajectory over time
Optimal
Average
Out of range
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The more you tell us — sleep, training, stress, supplements — the more precise your insights become.
Section 07 · Reference
The science, the basics
Baseline