The questionnaires professionals also use. Free and anonymous.
Screenings built on published instruments, plus clear self-checks, honestly explained. A first read before a professional evaluation, not a diagnosis.
Built by researchers and clinicians, including the World Health Organization (WHO). Used in medical practice and studies, and every test names its source.
Medical guidance from
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Dr. Georg Mekras Physician and health advisor, focus on gut health and the microbiome -
Dr. med. Jost-Hendrik Hübner Specialist in surgery and nutritional medicine, focus on lipedema
My tests
Open tests saved with emailYou choose whether this browser keeps your local history. This history stays on your device.
When enabled, this browser remembers completed tests, their dates and broad result categories. You can switch this off and clear the history at any time.
Not sure where to start?
Pick what is on your mind most right now. We suggest 2 to 4 tests that fit. This points you in a direction. It says nothing about your health.
Nothing is saved. Your selection stays on this page. Compare all topics in the full guide.
All self-tests
Mind & Neurodivergence
22 entriesThe key screenings and self-checks for mental load, personality, and neurodivergent patterns.
In-depth neurodivergence tests
7 entriesLonger questionnaires for when a short screen is too coarse or masking plays a role.
Substance Use & Behavior
3 entriesShort screenings for consumption and behavior, with a clear line between signal and diagnosis.
Heart, Liver & Metabolism
3 entriesScreening calculators based on your own values, with medical guidance. Guidance, not a diagnosis.
Body & health
4 entriesSymptom checks with clear limits: guidance, not a diagnosis.
No test found. Try another term, for example "anxiety", "autism", or "stress".
Medical and specialist advisory board
Physicians and specialists contribute to selected topics within their field. Each profile describes the scope of that contribution.

Dr. Georg Mekras
Physician and health advisor · Gut health, the microbiome and SIBO.
Advises on gut health, irritable bowel syndrome and SIBO. His patient education project mekras.de explains symptoms and diagnostic procedures.

Dr. med. Jost-Hendrik Hübner
Specialist in surgery and nutritional medicine · Lipedema, LipoClinic Dr. Heck.
The lipedema self-check draws on a specialist interview with him and the guidelines cited on the test page. His contribution concerns the leading symptoms of lipedema.

Nils Heim
Sports therapist and athletic trainer · Patellar and Achilles tendon pain in athletes.
An advisor on tendon pain, training load and returning to sport. He describes his work with athletes at nilsheim.de.
Why this is different
These tests are built to give you a clear first read: instantly usable, with visible sources, honest limits, and no promises of a diagnosis. Sensitive results get level-headed context instead of dramatic labels.