What do your free testosterone levels mean?

The short answer

Nobody we follow has said what your free testosterone should be. It comes up on the shows, but never with a number.

Your lab prints 0.1–6.4 pg/mL. That range exists to catch disease, not to describe your best.

Labs print different ranges by sex: about 0.1–6.4 pg/mL for women and 47–244 for men.

What free testosterone measures

The testosterone riding free of proteins, ready to act on tissue.

Proteins hold most of your testosterone out of reach. The free portion often explains symptoms the total misses.

Checked against MedlinePlus — Testosterone Levels Test.

Common questions

What is a normal free testosterone level?

Most US labs print 0.1–6.4 pg/mL. Your report grades you against that range. It exists to catch disease, not to describe your best. Labs print different ranges by sex: about 0.1–6.4 pg/mL for women and 47–244 for men.

What does your free testosterone number mean?

Under 0.1 pg/mL, your report marks it low. Between 0.1 and 6.4 it prints as normal. Over 6.4, your report marks it high. Nobody we follow has drawn a line inside that range. Labs print different ranges by sex: about 0.1–6.4 pg/mL for women and 47–244 for men.

What does the free testosterone test measure?

The testosterone riding free of proteins, ready to act on tissue. Proteins hold most of your testosterone out of reach. The free portion often explains symptoms the total misses.

Why is there no target here?

Because nobody we follow has named a number for free testosterone. If that changes, it will be here.