Free (unbound) testosterone only — the biologically active fraction — without a total testosterone measurement. Useful when total testosterone is already known or tracked separately.
Turnaround Time
8 days (up to 12 days)
Order online
Choose your lab and check out. We send your lab requisition automatically — no doctor visit needed.
Get your sample collected
Visit a lab service center near you for a quick blood draw (or book at-home phlebotomy where available).
See your results
Your results land in your Insider portal, ready to review and act on — that easy.
Your price
$19.90$150
7.5× less than retail
Versus the typical direct-to-consumer retail price for this test (illustrative — consumer prices vary by provider and region).
$19.90
Peer-reviewed sources supporting the educational content on this page.
