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Cortisol Awakening Response (CAR) Test Kit


X 3 Cortisol AM “mini stress test”

About This Test

Hormone test:  X 3 Cortisol [CAR]

Results provided in both Chart and Graph form. Now include individual Summary.

Sample Collection: 3 saliva samples collected over 1 hour.

Instructions included.

Test time is currently: GOOD

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.

What is The CAR: 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”.


  1. Purchase test, have it delivered to your doorstep. Tracking number available on request. Now sent via Express Post 7 days a week.
  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.
  4. Receive your hormone test results by secure .PDF to your designated email address.

Laboratory – NutriPATH®.

Used by date: 24 months from purchase.

Questions and Answers

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 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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