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Comprehensive Cortisol Test Kit


Cortisol x 4 over the course of 1 day

Comprehensive Cortisol Test Kit detail:

Multi-point saliva cortisol test collection: x 4 (6-8am, noon, 4pm, 8pm)

Instructions provided ✔

Referral provided ✔

Fasting requirements: Fasting overnight for the first sample collection only. Advice on meal times provided.

Results include:

  • Coloured results coded graph.
  • Include personalized Summary.
  • Include advice in cases where an irregular result is discovered

Used by date: 24 months from purchase.

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

Why use the Comprehensive Cortisol Test Kit?

Excessive irregular demand for cortisol triggered by stress, sleep disruption or impaired ability to handle emotions will eventually exhaust the adrenal glands and disrupt the production of your progesterone, estrogen, testosterone, and DHEAs. This widely used cortisol test will identify abnormal cortisol output and provides a comprehensive assessment of the cortisol daily pattern. Due to the collection points being spread over the course of a day, this test is best performed at home.

Testing The Cortisol Daily Pattern

The benefits of healthy cortisol production are numerous and can be found detailed in Posts, Pages and the FAQ on this website. An example of this is how cortisol activates our metabolic break-down processes, AKA: metabolism, making energy-rich compounds available to the body.

cortisol hormone structure

Research in 2018 found that people who were identified as having a high level of work-related stress had noticeably higher cortisol values at midday and in the evening. The study* compared the cortisol levels of burnout patients with those of healthy employees, and considered work related stress.

How does it work?

In 3 simple steps:

  1. Purchase test, have it delivered to your doorstep. Tracking number available on request. Sent via Express Post same day Mon-Fri, <5PM AEST.
  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.

This test is performed by NutriPATH®

More information


See TestoChecker’s ‘COVID19 Response’ and related links here.


Questions and Answers below- Click to view.


How long does testing take?
Generally speaking testing time is up to 10 working days. For more detailed information regarding testing time see here.
More about Cortisol

Cortisol is the body’s primary stress hormone. When the brain stimulates its release in response to physical or emotional stress, the adrenal glands secrete cortisol into the general circulation. Cortisol helps the body regulate blood sugar levels, blood pressure, inflammation, the immune system, memory formulation. It also has a controlling effect on the body’s salt and water balance. In women, cortisol also supports the developing fetus during pregnancy.

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

Our support staff can assist.

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

This test includes 4 sample collections, each of them requiring 5mil of saliva. Your collection vial/tube has indicators clearly marked to prevent any confusion. Included in the instructions are tips on producing saliva. These tips can also be found in the Q&A on this website.

I take medicines, how do I know they won't affect the results?

Generally speaking, hormone testing is fine to do when using medicines but there are exceptions. Any supplements used to mimic the effects of hormones, and any steroid based treatment will affect the results. HRT treatment will obviously affect (some) test results and it is this effect people look to measure. New medicines, or brands of old ones, become available every day,  and there is no conclusive list of medicines which interfere with any kind of human sample analysis.

How do I know the sample will 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.

What are causes of cortisol irregularity?

Heat, cold, infection, trauma, stress, exercise, obesity, and debilitating disease can influence cortisol levels. The hormone is secreted in a daily pattern and it this pattern that is measured with the Comprehensive Cortisol Test.


Sources cited: *Study lead investigators, Helmuth Haslacher and Alexander Pilger from the Division of Medical-Chemical Laboratory Diagnostics (KILM) of MedUni Vienna and Robert Winker from the stress clinic at the Health and Prevention Center of the KFA (Health Insurance Agency)


Other questions and answers related to Cortisol Testing in Australia.


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    Sean M

    Really amazing service !! Michelle was absolutely fantastic throughout the entire process, kept me updated all the time, responded quickly to my queries and followed up on my results. Thank you so much, I will be back!

    13 November 2017
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    Maurice Burrows

    A couple of very minor hiccups but overall the customer service is excellent. I will definitely be using them again.

    9 August 2017

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