Cortisol Test Cortisol is a vital hormone produced by the adrenal glands and plays a central role in the body's metabolism. It belongs to the group of glucocorticoids and is often referred to as the "stress hormone" because its levels rise in response to stressful situations. In the body, cortisol regulates various physiological processes. Although cortisol plays an important role in adapting to stress, chronically increased production of the hormone can have negative effects on health, including impairments to the immune system, sleep and memory. The cerascreen Cortisol Test is a sampling and mail-in test kit that allows you to determine the concentration of the stress hormone cortisol in your saliva. Seven samples are taken to observe the concentration over the course of the day. Sampling is easy and can be done conveniently from home. This saves you the waiting time that would normally be incurred when visiting a doctor. You will receive the result with specific recommendations for action within a few days of receiving the sample. How does the test work? 1. Test at home Your test kit contains everything you need to take a small saliva sample. Then send the sample in the enclosed return envelope to our medical laboratory free of charge. 2. View results online After the evaluation in the medical laboratory, you will receive online access to your personal results report. 3. Take action Your access to the test results as well as to the evidence-based findings and tips to improve your health: the my cerascreen user profile on our website or our app. The test kit consists of: a multi-page, illustrated manual that explains the test procedure step by step a test ID card with seven stickers seven saliva tubes, seven straws and a transport tube a return envelope with which you can send your saliva sample back to our laboratory by post free of additional costs The cortisol test is not suitable or only suitable to a limited extent for certain groups of people: People with contagious diseases such as hepatitis and HIV must not take the cortisol test. Pregnant and breastfeeding women should only take the cortisol test under medical supervision. The reference values and recommendations do not apply to them or only apply to a limited extent, they should obtain instructions on the test results from their doctor or therapist. The cortisol test is not suitable for children and adolescents under 18 years of age. The test is not suitable for diagnosing diseases. For risks and side effects, read the package insert and ask your doctor or pharmacist.