Cortisol Morning (CAR) Test Kit

Cortisol Morning (CAR) Test Kit


X 3 Cortisol Morning @30 minute intervals.

About This Test:

Hormone Reported:  Cortisol [CAR] – Results provided in both Chart and Graph form.

Sample Collection: 3 samples collected over 1 hour. Instructions included.

Why use this test?

Checking the precise dynamics of morning cortisol secretion is important if you suspect that the cortisol awakening response (CAR) is not occurring properly. This can also be useful in context of the daily cortisol pattern.


Cortisol provides the boost we require in the morning which prepares us for the day ahead. CAR 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 something of a “mini stress test.”


Easy As:

1. Purchase test, have it delivered to your door.
2. Perform saliva collection following the instructions provided.
3. Return samples to the lab’ using the Express Return parcel provided.



Questions about hormone testing

Taking Oral Contraceptive –

This test is not measuring the fluctuating sex hormones which are suppressed by hormonal birth control so yes, you can use this test.

How much Saliva is required for each [tube] sample collection for this test?

This test includes 3 sample collections, each of them requiring 5mil of saliva. Your collection vial/tube has indicators clearly marked to prevent any confusion.

I Have Old Results or Results From Another Laboratory, and They May Include Different Measurement Units?

Our support staff can assist.

When will my kit arrive?

We send kits the same day we get the order if it is received during business hours. Travel times depends on your location however usually no longer than 3 days. Tracking numbers available upon request. TestoChecker track all post in all directions.

How do I know the sample dwill not deteriorate in the mail?

The laboratory will not compromise themselves by testing saliva that is past its used by (too viscous). Their only concern is the accuracy of the results and the integrity of the laboratory. So when a sample turns up that has been delayed by Australia Post, and it isn't fit for testing, they have no hesitation in rejecting it, and we start the process over (at no cost to you).

More: The official position of saliva travel time is that saliva samples are good for (up to) 12 days, Despite the guidelines, each sample is assessed for suitability upon arrival prior to testing.

How long does testing take?

Generally speaking testing time is up to 10 working days. For more detailed information regarding testing time see here.

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