Humboldt-Universität zu Berlin
in research cooperation with HU Berlin
No current product warningsReport a product problem →
In cooperation with HU Berlin

Medical cannabis, independently tested.

Listed fast. Reviewed honestly. Scientifically tested.

Popular:

How it works

Your cannabis. Honestly reviewed — by patients like you.

Find your strain, test it and help others tell good batches from bad ones.

  1. 01

    Find your strain

    Over 3,000 strains from every manufacturer — tested or not yet. Just search by strain or brand.

    Search strains
  2. 02

    Test it in a few minutes

    Appearance, smell, taste, effect — short questions, pseudonymous and ad-free.

    Start a test
  3. 03

    Honest results per batch

    See what other patients say about your exact batch — pseudonymous, moderated and ad-free.

    View reviews
Stay safeIf a batch raises concerns, you’ll see the product warning here — before you buy again.
All products
Listed and available
All →
Loading products…
About Cannabis-Transparent.de

An independent forensics portal for medical cannabis in Germany.

Structured patient data at batch level — in research cooperation with HU Berlin.

Join as a verified tester

Do you have a valid cannabis prescription? Then you can submit reviews and help other patients.

1
Register

Pseudonymised, no real names

›
2
Verify

Upload prescription photo

›
3
Review

Short sections, ~4 min

Newsletter

Choose your topics — by email. Unsubscribe at any time.

By signing up, I consent to the processing of my email address in accordance with the privacy policy. Confirmation is by double opt-in email.