The 24-hour Saliva Cortisol test is an at-home test used to determine your daily cyclic cortisol levels at 4-6 key times during a 24 hour period.  Saliva is gathered in tubes by a patient then sent to a particular lab facility for analysis.

Cortisol, also called the stress hormone, is a long-acting steroid released by the adrenals in response to stress.

***To read what thyroid patients have learned in interpreting this test, go here.

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