Total Testosterone
nmol/LAll testosterone in your blood, both bound and unbound.
Why it matters
The standard first measurement, though much of it is bound and unavailable to your cells.
The definitive testosterone picture in 6 biomarkers: total and free testosterone, SHBG, albumin, free androgen index and the ratios that show what your body can actually use.
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What's measured
Every marker below is read against optimal ranges — not just the lab reference band — and explained by a clinician on your results call.
All testosterone in your blood, both bound and unbound.
Why it matters
The standard first measurement, though much of it is bound and unavailable to your cells.
The unbound testosterone your body can actually use.
Why it matters
Often the more meaningful number — total testosterone can look normal while the usable fraction is low.
The unbound testosterone your body can actually use.
Why it matters
Often the more meaningful number — total testosterone can look normal while the usable fraction is low.
The main protein your liver makes, holding fluid inside your blood vessels.
Why it matters
A good measure of longer-term liver function and nutritional state.
The protein that binds sex hormones and controls how much is free.
Why it matters
Explains a normal total testosterone with low free testosterone, and shifts with insulin resistance and thyroid function.
The ratio of total testosterone to SHBG, estimating active androgen.
Why it matters
A key calculation in assessing PCOS and androgen excess in women.