Diurnal Cortisol (C1, C2, C3, C4) (Saliva)

Test your adrenal function at home with this easy to use at-home saliva test kit.

Recommended with situational stress and fatigue; indicator of adrenal imbalance. Tests morning, noon, evening, and nighttime Cortisol.

Includes pre-paid shipping  label to ZRT laboratory. Results of testing will then be mailed back to you confidentially.

NOT AVAILABLE TO NY RESIDENTS. CA RESIDENTS REQUIRE A PRESCRIPTION.