For inquiries regarding the utilization of ethnobotanicals, or in case you are experiencing an adverse situation or difficulty integrating and experience, please read this page. For inquiries regarding legal support , please read this page.

  • We don’t offer sessions of ayahuasca or iboga.
  • We don’t recommend centers or people who perform/do sessions.


Carrer de Sepúlveda, 65 , Oficina 2, 08015 Barcelona España +34 931 88 20 99

Supporters & Partners

Our work would not be possible without the financial support of our funders and donors. We are also grateful for our fiscal sponsors, partners, and collaborators.

Current & Past Funders
Open Society Foundations
Aurora Foundation
RiverStyx Foundation
Threshold Foundation
Fundación Alchimia Solidària
Fundación Canna
Endoca Foundation
Evolve Foundation
The Little Charity
Dr. Bronner’s
European Union
Generalitat de Catalunya
Ayuntamiento de Barcelona
Viriditas Foundation
Multidisciplinary Association for Psychedelic Studies
Beckley Foundation

Anton Bilton
Christian Jochnik
Moshe Tov
Christian Harper
Aubrey Marcus

Many thanks also to our monthly donors and all those who have contributed to our work.

Fiscal Sponsors
Multidisciplinary Association for Psychedelic Studies
Beckley Foundation

TransNational Institute (TNI)
Associazione Luca Coscioni
Global Ibogaine Therapist Alliance
Blessings of the Forest

ICEERS is a proud member of the following networks and associations
International Drug Policy Consortium
International Association for Cannabinoid Medicines
Grupo de Estudio de Políticas sobre el Cannabis