The Merry History Behind Agarin

Dec 14, 2023 | Written by Priyanka Puranik, MSc | Reviewed by Scott Sherr, MD and Marion Hall

The Merry History Behind Agarin

The legend of Santa Claus, a cherished symbol of joy and gift-giving during the Christmas season, hides a lesser-known, mystifying origin.

This interesting tale, interwoven with shamanistic traditions and ancient rituals, is tastefully explored in Matthew Salton's documentary Santa is a Psychedelic Mushroom. The documentary unveils a fascinating connection between the beloved figure of Santa Claus and the use of the Amanita muscaria or the fly agaric mushroom by shamans for its psychoactive properties. Central to this narrative are two compounds: agarin (commonly known as muscimol) and ibotenic acid, which hold the key to understanding both the mushroom's historical significance and its potential therapeutic applications.

This article aims to delve deep into the world of the fly agaric mushroom, exploring its mystical connections, chemical composition, and the promising future of its primary compounds in the realm of therapeutic research.

The Amanita muscaria and Santa Claus Connection

  • The Shamanistic Roots of Christmas and Amanita muscaria
    The festive traditions of Christmas, replete with feasts, gift-giving, and elaborate decorations, may have evolved from ancient shamanic practices, particularly those involving Amanita muscaria. Scholars suggest that many Christmas symbols, including the practice of exchanging gifts and the iconic image of Santa Claus, are deeply rooted in shamanic beliefs that predate Christianity. These traditions are thought to have significant connections to Amanita muscaria, a psychoactive fungus that holds a special place in Christmas lore.
  • Amanita muscaria: A Psychoactive Influence in Shamanism
    Amanita muscaria, native to temperate regions of Europe and North America, extends as far as Siberia in eastern Russia. Known for its psychoactive properties due to compounds like agarin and ibotenic acid, the mushroom has a deep association with various shamanic and healing practices. Siberian shamans, serving their communities by connecting with the spirit realm, often used dried Amanita muscaria as a means of entering these realms. Interestingly, these mushrooms were not only used by shamans but also had a broader recreational and practical application among Siberian tribespeople, especially during the long, dark winters.
  • Mushrooms as the Original Christmas Gift?
    The practice of gift-giving during Christmas may trace its origins back to the Siberian shamans, who distributed dried fly agaric mushrooms among the tribespeople. This act of sharing mushrooms, which provided warmth, energy, and euphoria, might have been the precursor to the modern tradition of exchanging gifts during the holiday season. The process of drying these mushrooms, which involved placing them in stockings or hanging them before the fire, strikingly resembles the Christmas tradition of hanging stockings by the fireplace.

    The psychedelic journey induced by Amanita muscaria is described as an ethereal flight, a sensation echoed in the tales of Santa's flying reindeer. It’s theorized that the euphoric effects of the mushroom, once ingested, transmuted into stories of magical flights across the night sky. This ancient narrative presents Santa not merely as a gift-giver but as a shamanic figure, traversing between realms to bring back wisdom and healing, much akin to the gifts Santa brings.
  • Chimneys: Santa’s Slide or Shamanic Entry?
    One of the most intriguing aspects of this narrative is the parallel between shamans and Santa Claus entering homes through chimneys. In the snowy landscapes of Siberia, shamans often entered yurts (traditional tents) through the chimney or smoke hole, as the main doorways were frequently blocked by snow. This method of entry, practical and symbolic in shamanic traditions, resonates strikingly with the iconic image of Santa Claus descending the chimney to deliver gifts. It represents a transformation from a shamanic ritual to a beloved Christmas practice.
  • From Shamanism to Santa
    Over centuries, the custom of a figure bringing gifts into the home during solstice time evolved into the modern mythos of Santa Claus. This transition from a shamanic figure to Santa Claus was further influenced by cultural and religious shifts, with the Christian Saint Nicholas figure gradually replacing the earlier shamanistic traditions. The image of Santa Claus as a "kindly old elf" traveling in a sleigh pulled by flying reindeer, popularized by Clement Clark Moore’s poem "A Visit from Saint Nicholas," further cemented this transformation. The connections between Amanita muscaria and the Santa Claus mythos, such as the use of pine trees and the behavior of reindeer potentially influenced by consuming said mushrooms, add an intriguing layer to this narrative.

Overview of Amanita muscaria

  • Amanita muscaria: A Cosmopolitan Species
    Amanita muscaria, commonly known as the fly agaric or fly amanita, is a basidiomycete fungus of the Amanita genus. It is native to the temperate and boreal regions of the Northern Hemisphere, and has unintentionally spread to various countries in the Southern Hemisphere, often as a symbiont with pine and birch plantations. This mushroom is now a true cosmopolitan species, associating with various deciduous and coniferous trees.
  • Iconic Appearance and Variations
    The fly agaric is perhaps the most iconic toadstool species, recognizable by its large white-gilled, white-spotted, and usually red cap. It is a prominent figure in popular culture and folklore. Despite its distinctive appearance, Amanita muscaria presents several known variations or subspecies. While these subspecies may have different cap colors like yellow or white, they are typically recognized by their notable white spots. Some of these variations, however, are genetically distinct species, such as the peach-colored fly agaric (Amanita persicina).

Amanita muscaria: Uncovering Nature's Psychedelic Puzzle

Historically, Amanita muscaria has held a prominent place in the shamanistic rituals of many indigenous cultures, especially in Siberia and other parts of northern Europe. The mushroom's psychoactive properties were employed by shamans to induce altered states of consciousness, necessary for spiritual journeys and healing ceremonies. This use of Amanita muscaria as an entheogen — a substance used in religious or spiritual rituals to alter consciousness — has been well-documented in ethnobotanical studies.

The psychoactive effects of Amanita muscaria are primarily attributed to two key compounds: agarin and ibotenic acid. These compounds interact with the brain's neurotransmitters, inducing a range of effects from mild euphoria to vivid hallucinations, which were integral to the shamanistic experiences.

In modern times, while the use of Amanita muscaria has largely diminished due to its toxic properties and the advent of other psychoactive substances, its historical and cultural significance remains a topic of intrigue and study. The mushroom continues to be a subject of scientific interest, particularly in understanding its unique chemical composition and potential therapeutic applications.

Decoding the Psychoactive Compounds: Agarin and Ibotenic Acid

Central to the psychoactive properties of Amanita muscaria are two primary compounds: agarin and ibotenic acid. These compounds have been the subject of extensive scientific research due to their unique effects on the human brain and their potential therapeutic applications.

Agarin, a potent psychoactive compound, primarily acts on the GABA (gamma-aminobutyric acid) receptors in the brain. It is a GABA agonist, meaning it enhances the activity of GABA, an inhibitory neurotransmitter, leading to sedative and hypnotic effects.

Ibotenic acid, on the other hand, is a powerful neurotoxin and a precursor to agarin. When ingested, ibotenic acid gets decarboxylated into agarin. Ibotenic acid is an agonist for both NMDA (N-methyl-D-aspartate) and metabotropic glutamate receptors, which play roles in learning and memory processes in the brain. This compound is responsible for some of the more intense psychoactive effects experienced by users of Amanita muscaria.

  • Agarin and GABA Receptors

Agarin plays a pivotal role as a potent orthosteric ligand/agonist of the GABA-A receptor and the modulation of agarin binding has been elucidated through the study of allosteric GABAergic modulators, including barbiturates and steroid anesthetics [1].

In the realm of neuropharmacology, agarin’s efficacy as a GABA receptor agonist has been demonstrated through significant improvements in odor identification and discrimination behaviors observed in animal models. Agarin reduces basal firing activity and restores inhibitory neural circuits, underscoring its profound influence on GABA-mediated functions [2].

Moreover, agarin’s role as a universal agonist for all GABA type A receptor subtypes (GABA (A)-R) is well-recognized. However, it's important to note that the high-affinity binding sites of agarin in the brain show marked differences from those of other GABA (A)-R binding sites [3].

  • Ibotenic Acid, NMDA, and Metabotropic Glutamate Receptors

Ibotenic acid exhibits agonistic activity at both NMDA and metabotropic glutamate receptor sites. This property places it at the core of various neurotoxic and neuroactive processes within the central nervous system.

Research has highlighted that ibotenic acid can substantially alter the regulation of metabotropic glutamate receptors, especially in conditions characterized by neuroinflammation. Notably, such alterations include an increased expression of metabotropic glutamate receptor type 5 (mGluR5) in astrocytes and microglia [4,5].

Furthermore, the neurotoxicity mediated by ibotenic acid parallels the excitotoxic effects observed in NMDA neurotoxicity, reinforcing its role as an agonist at both NMDA and metabotropic glutamate receptor sites [6].

Additionally, the activation of NMDA and group I metabotropic glutamate receptors by ibotenic acid has been shown to modulate the release of various neuropeptides, including substance P. This effect highlights the compound's substantial influence on glutamate-mediated neural processes [7].

Exploring the Medical Horizons of Agarin and Ibotenic Acid

Recent scientific research has begun to uncover the potential therapeutic applications of the psychoactive compounds found in Amanita muscaria.

The action of agarin on GABA receptors leads to sedative and hypnotic effects, which could be harnessed for treating conditions related to central nervous system hyperactivity, such as anxiety and insomnia. A 2014 review highlights the discovery and development of agarin as a GABA agonist, demonstrating its potential in developing a range of GABAergic agents [8].

A recent study by Dushkov et al. [9] analyzed the content of ibotenic acid and agarin in Amanita muscaria extracts, evaluating their cytotoxic effects against lung cell lines in vitro. This research provides insight into the potential medicinal uses of these compounds, particularly in the context of cancer research.

Current Research and Clinical Studies

Agarin has been studied extensively for its potential to modulate neural activity. Its high affinity for GABA-A receptors, which play a crucial role in inhibitory neurotransmission, underscores its potential therapeutic applications in conditions like epilepsy and certain anxiety disorders. Studies have demonstrated its ability to calm hyperactive neural pathways, presenting promising therapeutic applications [10,11,12].

Conversely, ibotenic acid, a neurotoxin, acts as an agonist at NMDA and metabotropic glutamate receptors. Despite its toxicity, controlled doses might offer neuroprotective benefits, especially in neurodegenerative diseases. Its potential in stimulating neurogenesis and enhancing neural plasticity is being explored, with implications for Alzheimer's disease and dementia treatment [6,13].

Future Prospects in Clinical Trials

Future clinical trials are expected to delve deeper into the nuanced effects of these compounds. Studies may explore the long-term impacts of agarin and ibotenic acid on neuroplasticity and cognitive function. There is also a growing interest in understanding how these compounds might be integrated into existing treatment protocols for neurological and psychiatric disorders, potentially in combination with other therapeutic modalities.

The potential of these compounds to induce neurogenesis and synaptic plasticity could open new avenues in treating brain injuries and chronic neurodegenerative diseases. Additionally, their unique psychoactive properties might offer insights into alternative approaches to mental health issues, challenging existing paradigms in psychiatric care.

The Future of Psychedelic Research

The future of psychedelic research, especially focusing on compounds like agarin and ibotenic acid, is at an exciting juncture. The expanding body of research, coupled with a gradual shift in societal and medical perspectives on psychedelics, promises a new era in neurological and psychiatric treatment. The intricacies of these compounds' interactions with the brain may unlock new ways to treat complex disorders, ranging from depression to Alzheimer's disease.

Moreover, the implications of this research extend beyond medical applications. Understanding the effects of these compounds on consciousness and cognition could revolutionize our understanding of the human brain, potentially influencing fields like artificial intelligence and neural network modeling. Their impact on neural plasticity and regeneration also holds promise for innovative treatments for various brain-related conditions.


In summary, the exploration of agarin and ibotenic acid offers a fascinating blend of historical context and cutting-edge science. Their potential therapeutic applications in mental health and neurology are just beginning. As research continues, these studies will not only enhance our knowledge of psychedelic compounds but also enrich our cultural narratives. The future of this research could lead to significant medical breakthroughs and a profound understanding of the human mind, potentially transforming our approach to mental health and neurological disorders.

If you’re interested in trying agarin, check out Tro Zzz, our complete sleep solution troche that has agarin as one of its main ingredients!



  1. Akk, G., Germann, A. L., Sugasawa, Y., Pierce, S. R., Evers, A. S., & Steinbach, J. H. (2020). Enhancement of Muscimol Binding and Gating by Allosteric Modulators of the GABAA Receptor: Relating Occupancy to State Functions. Molecular pharmacology, 98(4), 303–313.
  2. Hu, B., Geng, C., Guo, F., Liu, Y., Zong, Y. C., & Hou, X. Y. (2021). GABAA receptor agonist muscimol rescues inhibitory microcircuit defects in the olfactory bulb and improves olfactory function in APP/PS1 transgenic mice. Neurobiology of aging, 108, 47–57.
  3. Chandra, D., Halonen, L. M., Linden, A. M., Procaccini, C., Hellsten, K., Homanics, G. E., & Korpi, E. R. (2010). Prototypic GABA(A) receptor agonist muscimol acts preferentially through forebrain high-affinity binding sites. Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology, 35(4), 999–1007.
  4. Berger, J. V., Dumont, A. O., Focant, M. C., Vergouts, M., Sternotte, A., Calas, A. G., Goursaud, S., & Hermans, E. (2012). Opposite regulation of metabotropic glutamate receptor 3 and metabotropic glutamate receptor 5 by inflammatory stimuli in cultured microglia and astrocytes. Neuroscience, 205, 29–38.
  5. Drouin-Ouellet, J., Brownell, A. L., Saint-Pierre, M., Fasano, C., Emond, V., Trudeau, L. E., Lévesque, D., & Cicchetti, F. (2011). Neuroinflammation is associated with changes in glial mGluR5 expression and the development of neonatal excitotoxic lesions. Glia, 59(2), 188–199.
  6. Zinkand, W. C., Moore, W. C., Thompson, C., Salama, A. I., & Patel, J. (1992). Ibotenic acid mediates neurotoxicity and phosphoinositide hydrolysis by independent receptor mechanisms. Molecular and chemical neuropathology, 16(1-2), 1–10.
  7. Caruso, C., Durand, D., Watanobe, H., & Lasaga, M. (2006). NMDA and group I metabotropic glutamate receptors activation modulates substance P release from the arcuate nucleus and median eminence. Neuroscience letters, 393(1), 60–64.
  8. Johnston, G. A. R. (2014). Muscimol as an ionotropic GABA receptor agonist. Neurochem Res, 39(10), 1942-1947.
  9. Dushkov, A., Vosáhlová, Z., Tzintzarov, A., Kalíková, K., Křížek, T., Ugrinova, I. (2023). Analysis of the Ibotenic Acid, Muscimol, and Ergosterol Content of an Amanita Muscaria Hydroalcoholic Extract. Molecules, 28(19), 6824.
  10. Absalom, N. L., Lin, S. X. N., Liao, V. W. Y., Chua, H. C., Møller, R. S., Chebib, M., & Ahring, P. K. (2023). GABAA receptors in epilepsy: Elucidating phenotypic divergence through functional analysis of genetic variants. Journal of neurochemistry, 10.1111/jnc.15932
  11. Möhler H. (2006). GABAA receptors in central nervous system disease: anxiety, epilepsy, and insomnia. Journal of receptor and signal transduction research, 26(5-6), 731–740.
  12. Benkherouf, A. Y., Taina, K. R., Meera, P., Aalto, A. J., Li, X. G., Soini, S. L., Wallner, M., & Uusi-Oukari, M. (2019). Extrasynaptic δ-GABAA receptors are high-affinity muscimol receptors. Journal of neurochemistry, 149(1), 41–53.
  13. Rodríguez, J. J., & Verkhratsky, A. (2011). Neurogenesis in Alzheimer's disease. Journal of anatomy, 219(1), 78–89.

Comments (0)

There are no comments for this article. Be the first one to leave a message!

Leave a comment

Please note: comments must be approved before they are published

AI-generated responses are for informational purposes only and do not constitute medical advice. Accuracy, completeness, or timeliness are not guaranteed. Use at your own risk.

Trixie - AI assistant