also known as Testosterone Free in Serum or Plasma by Calculation
Measures total testosterone by ECLIA and calculates free testosterone from total testosterone, SHBG, and albumin. Includes SHBG and albumin. This is a calculated free-testosterone test, not a
| # | Retailer | Lab | Seen | Price | |
|---|---|---|---|---|---|
| 1 | Goodlabs via LabCorp · seen today | LabCorp | today | $59 | order → |
| Cortisol, PM | 14 retailers | $8 |
| Progesterone Test | 13 retailers | $9 |
| Estrone | 13 retailers | $29 |
| Prolactin | 12 retailers | $9 |
| Estradiol | 12 retailers | $8 |
| Dihydrotestosterone Test | 12 retailers | $35 |
| Leptin Test | 10 retailers | $40 |
| Sex Hormone Binding Globulin (SHBG) | 10 retailers | $8 |