Express Post Australia Wide

Cortisol Awakening Response (CAR) Test Kit


X 3 Cortisol Awakening Response Test (Multi-Point).


CAR Test detail

Hormone measured Assessing the anticipated morning Cortisol spike. More detail can be found further down this page.

Saliva collection –  Three saliva samples are collected in total at 30 minute intervals. Upon waking, +30 mins, +60mins.

InstructionsIncluded with all test kits.

Lab referral – Supplied.

Results Provided in both Chart and Graph form. Now include individual Summary, by the testing laboratory.

Personalized Advice is also included in cases where an irregular result is revealed.


Technical ARTG ID 325206 – Medical Device Included Class 1.

Test Kit Used By Date12 Months.

Warning. Not suitable for people using prednisone/prednisolone therapy.


TestoChecker 3 Step Process

  1. Purchase test, have it delivered by Express post to your doorstep. Tracking number available on request.
  2. Perform simple saliva sample collection and complete the included referral form.
  3. Post your sample and referral form back to the lab’ using the Express Post satchel. Tracking included.

Receive your hormone test results by secure .PDF to your designated email address.


What is The Cortisol Awakening Response?

Cortisol provides the boost we require in the morning which prepares us for the day ahead. The Cortisol Awakening Response is the rise in cortisol levels observed at 30 minutes post-awakening (approximately 35-60% above the waking value) followed by an expected decline one hour after waking. The behaviour of cortisol is an important physiological response to anticipation of the day ahead and is a key indicator of central stress response system health. The waking, 30 minute, and 60 minute cortisol results comprise what has been referred to as a mini stress test*.


Why Test the Anticipated Morning Cortisol Behaviour?

Checking the precise dynamics of morning cortisol secretion is important if you suspect that the cortisol awakening response (CAR) is not occurring properly.

Slight cortisol irregularity can often be corrected by changes to lifestyle and diet. A  re-balanced cortisol output, synchronised with the day / night cycle, will allow for other hormones to flourish as the body’s hormonal balance is restored.

More serious cortisol irregularity should be followed up with either more testing via your GP, or consultation with a specialist endocrinologist.



*Wüst S. et al. Genetic factors, perceived chronic stress, and the free cortisol response to awakening. Psychoneuroendocrinology, 2000, 25:707–720.


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