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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.

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

    Medicine or Poison: The Paradox of Psychoactive Plants

    In a world that oscillates between spiritual veneration and criminalization, Jerónimo Mazarrasa — Program Director at ICEERS —...

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    EVENTS NEWS

    La Seta Crítica III: Conscious Encounters and Community in the Mountains of Madrid

    On the weekend of May 24 and 25, 2025, the third edition of La Seta Crítica was held in the Sierra de Guadarrama, in Madrid. This...

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    Noticias NEWS

    The Impact of Cannabinoids on Social Cognition: Results of a Study in Natural Context

    How does the consumption of cannabinoids affect our ability to understand and relate to others? Is our emotional perception altered?...

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    NEWS

    El Faro by ICEERS: A Guiding Light for Challenging Processes

    With the increase in practices with psychoactive plants, the number of people facing difficult experiences is also growing. For more...

    Read More

    Latest posts

    TEDx Dalt Vila Jerónimo Mazarrasa medicina veneno

    Medicine or Poison: The Paradox of Psychoactive Plants

    In a world that oscillates between spiritual veneration and criminalization, Jerónimo Mazarrasa — Program Director at ICEERS — has spent two decades exploring a question as simple as it is unsettling: “How can the same plant be medicine for one culture and poison for another?”

    Ayasafety ICEERS Academy

    Webinar on Ayahuasca and Safety

    The use of ayahuasca has grown exponentially in non-traditional contexts, generating unprecedented interest in its potential therapeutic and spiritual benefits. However, this boom has also

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    La Seta Crítica Sierra de Guadarrama

    La Seta Crítica III: Conscious Encounters and Community in the Mountains of Madrid

    On the weekend of May 24 and 25, 2025, the third edition of La Seta Crítica was held in the Sierra de Guadarrama, in Madrid. This alternative gathering, organized by Kravan and the Madrid Psychedelic Society, is already establishing itself as a landmark event for those who explore the social, therapeutic, cultural, and spiritual dimensions of entheogens.

    Centro de Apoyo El Faro de ICEERS

    El Faro by ICEERS: A Guiding Light for Challenging Processes

    With the increase in practices with psychoactive plants, the number of people facing difficult experiences is also growing. For more than a decade, ICEERS’ El Faro Support Center has offered a safe, free and confidential space to accompany these processes.

    alianzas ICEERS alliances

    The Dawn of Alliances

    ICEERS has dedicated increasing efforts to strengthening alliances with Indigenous organizations and leaders, reaffirming our commitment to building a more just and sustainable world. In line with this course of action, we are pleased to announce the transition of Natalia Rebollo, who, after eight years leading the ICEERS’ legal defense program (Ayahuasca Defense Fund, ADF), will assume a fundamental role in our work of building and nurturing alliances with the wise men and women of ancestral knowledge.

    ayahuasca justice ADF ICEERS justicia

    Imprisoned for Ayahuasca: A Battle for Dignity and Justice

    On February 11, 2025, ICEERS organized a webinar entitled “Testimonies of legal cases around ayahuasca.” The event brought together people who have faced legal proceedings for ayahuasca use and members of ICEERS’ legal and scientific team, who provided them with support through the Ayahuasca Defense Fund (ADF).

    Ricard Faura Cantarell ICEERS In Memoriam

    Ricard Faura: A Legacy of Wisdom and Humanity

    It is with great sadness that we share the passing of our dear colleague Ricard Faura Cantarell, who died in the early hours of January 18, 2025. His departure leaves a deep and irreplaceable void, not only among those of us who had the privilege of working with him, but also in the countless fields to which he contributed with passion, dedication, and wisdom.

    firmas Europa salud mental health Europe

    One Million Signatures to Transform Mental Health in Europe

    Today, January 14, 2025, the collection of signatures has begun for the European citizens’ initiative PsychedeliCare, a proposal that seeks to promote the regulation of therapies assisted with traditional medicines in Europe’s public health systems.

    servicio vida Tierra ICEERS 15 años Benjamin De Loenen

    “We must unite in the service of life on Earth”

    On the occasion of ICEERS’ 15th anniversary, we asked its founder, Benjamin De Loenen, to take stock of the foundation’s trajectory. In addition, we delve into the current and future challenges facing the historical process of globalization of master plants and their ceremonial practices.

    Barcelona cannabis CSC Parq Güell

    Cannabis Clubs in Barcelona: A World Benchmark at Risk of Extinction

    In recent days, cannabis social clubs (CSCs) in Barcelona have faced a series of administrative inspections resulting in economic sanctions and, in some cases, closure orders. This situation, driven by the new mayor Jaume Collboni from the Socialist Party of Catalonia, threatens to dismantle a model internationally recognized as a safe and responsible alternative to the unregulated cannabis market.

    ONU conocimientos tradicionales United Nations

    The United Nations Calls for the Protection of Traditional Knowledge

    A recent report by Dr. Tlaleng Mofokeng, the UN Special Rapporteur on the right to health, titled “Drug Use, Harm Reduction and the Right to Health,” provides a thorough analysis of human rights protection within drug policy and emphasizes the preservation of Traditional Indigenous Medicines.