Blog — bioavailable cortisol

Cortisol testing helps evaluate how the body responds to stress by measuring daily hormone patterns linked to energy, sleep, mood, and immune balance. Through saliva and blood spot methods, clinicians can identify adrenal and HPA-axis imbalances early, enabling more personalized strategies to address fatigue, burnout, and stress-related health concerns.

Learn the science of saliva testing, how it measures bioavailable hormones, and why it’s trusted by patients, clinicians, and wellness experts.

Saliva Testing for Hormones: Accurate, Convenient, and At-Home.

Discover how saliva and blood cortisol testing reveal adrenal function and help diagnose stress-related hormone imbalances like fatigue, anxiety, and burnout.