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Pharmakon Complexes Ayahuasca Analogues
EMERGENT CEREMONIAL & SOCIOTECHNICAL COMPLEX

Ayahuasca Analogues

Anahuasca · Pharmahuasca · Juremahuasca · Acaciahuasca · Prairiehuasca
PREHISTORY No ancient analogue lineage evidenced · PRINT FORMATION Ott and DeKorne, 1994 · CLINICAL TURN DMT–harmine and Acacia trials, 2025–26

Ayahuasca analogues are not counterfeit Amazonian sacraments. They are a historically specific transformation of an Indigenous pharmacological insight into a modular, mobile technology: pair a source of orally inactive tryptamines with a source of reversible monoamine-oxidase inhibition, and plants from different continents can enter the same biochemical circuit. In the 1980s and 1990s that proposition moved through Terence McKenna’s lectures, Jonathan Ott’s self-experimental ethnopharmacology, Jim DeKorne’s photocopied Entheogen Review, seed catalogues, basement glassware and the early internet. The result was a new cultural formation whose authorities were no longer only lineage, territory and ritual inheritance, but also reproducibility, chemical literacy, testimony, networks and the claimed sovereignty of the nervous system. It promised a democratisation of vision; it also redistributed danger, legal exposure, ecological extraction and the power to define legitimate consciousness (Ott, 1994; DeKorne, 1994; Rushkoff, 1994; St John, 2018a).

6 plants indexed Peganum harmala · Banisteriopsis caapi · Mimosa tenuiflora · Psychotria viridis · Diplopterys cabrerana · Anadenanthera peregrina

Constituents & preparation

The common analogue flora

Unlike canonical ayahuasca, the analogue complex has no universal botanical pair. The large cards identify its most recurrent RIMA and tryptamine-source plants; the smaller field shows canonical crossover plants, regional wattles, grasses and prairie alternatives.

Primary substituted RIMA source

Peganum harmala

harmel · Syrian rue · esfand · üzərlik

The most widely circulated non-Amazonian source of reversible MAO-A inhibition in analogue practice. Rue enters the complex from its own Central and West Asian medicinal, fumigatory and apotropaic histories—not as an empty biochemical substitute.

Functional roleRIMA source · often substitutes for caapiCompoundsHarmine · harmaline · related β-carbolinesModern positionAnahuasca · juremahuasca · acaciahuasca · experimental and clinical formulations
Amazonian RIMA source retained

Banisteriopsis caapi

ayahuasca · yagé · jagube · mariri

Many analogues substitute only the tryptamine-bearing partner and retain caapi. Such hybrids preserve the vine’s harmine–tetrahydroharmine profile and sometimes its ritual prestige while moving into new botanical, legal and cultural assemblages.

Functional roleRIMA-bearing vine · Amazonian anchorCompoundsHarmine · tetrahydroharmine · harmalineAnalogue logicCaapi + Mimosa · Acacia · Phalaris · Desmanthus
Primary transnational tryptamine source

Mimosa tenuiflora

jurema-preta · tepezcohuite

A major DMT-bearing plant in modern analogue circulation and the source behind the name juremahuasca. Its recruitment into an analogue pair must remain distinct from the far older and culturally specific Jurema religious complex of northeastern Brazil.

Functional roleTryptamine source · paired with rue or caapiPrincipal compoundN,N-dimethyltryptamine (DMT)Cultural boundaryAnalogue use is one modern branch; it does not define Jurema religion
Primary Acacia source in global networks

Acacia confusa

Taiwan acacia · Formosan koa

One of the most visible wattles in transnational analogue discourse and commerce. Its prominence belongs to contemporary circulation rather than an evidenced ancient sacramental lineage; alkaloid claims remain dependent on verified taxon, plant part and provenance.

Functional roleTryptamine-source wattle · commonly paired with rue or caapiCompoundsDMT and related alkaloid claims are tissue- and provenance-specificModern positionAcaciahuasca · online ethnobotany · global plant trade
Canonical crossovers, regional wattles and less reliable local alternatives
Canonical leaf · analogue crossover

Psychotria viridis

chacruna · rainha

The principal ayahuasca leaf may be paired with rue. Retaining the plant does not automatically retain the ceremony, authority or cosmology of an Amazonian rite.

Canonical yagé leaf · crossover

Diplopterys cabrerana

chagropanga · chaliponga

A north-western Amazonian co-principal sometimes recruited into noncanonical RIMA pairings; culturally dense yagé relations cannot be carried by chemistry alone.

Australian Acacia source

Acacia acuminata

jam wattle

A focus of Australian analogue culture. Chemotype, land relation, provenance and sustainable harvest matter more than generic claims about “Acacia.”

Variable grass source

Phalaris aquatica

Harding grass

Some chemotypes contain relevant tryptamines, but pronounced seasonal and chemical variability makes abundance an unreliable guide to composition.

Variable cosmopolitan grass

Phalaris arundinacea

reed canary grass

Enrolled in the “local entheogen” imaginary through accessibility, yet tryptamine and co-alkaloid profiles vary radically between populations.

Prairiehuasca association

Desmanthus illinoensis

Illinois bundleflower

A North American native recruited into the analogue field; the cultural name is more stable than evidence for consistently useful alkaloid expression.

Card scale indicates prominence in analogue literature, exchange networks and practice—not safety, chemical reliability or cultural legitimacy. Every plant remains a variable biological population, not a standardised reagent.

Defining operationA tryptamine-bearing plant and a reversible monoamine oxidase-A inhibitor (RIMA) are brought into one pharmacological sequence, substituting one or both functional roles of the canonical Banisteriopsis caapi–Psychotria viridis/Diplopterys cabrerana assemblage (McKenna et al., 1984; Ott, 1999).
Boundary of the complexPlant-based analogues; hybrid preparations retaining caapi or an Amazonian leaf; and pharmahuasca, in which isolated or synthesised compounds replace the plants. The boundary is functional rather than taxonomic.
Associated compoundsPrincipally N,N-dimethyltryptamine (DMT), harmine, harmaline and tetrahydroharmine (THH). Depending on species, tissue, season and processing, N-methyltryptamine, 5-MeO-DMT, gramine, hordenine and other alkaloids may complicate the picture (Mack, Mulvena and Slaytor, 1988; Callaway, Brito and Neves, 2005; Santos et al., 2020).
Names in circulationAnahuasca is Ott’s broad term; juremahuasca, acaciahuasca and prairiehuasca name locally available tryptamine sources; pharmahuasca names the isolated-compound logic. These are unstable vernacular categories, not guarantees of composition.
Preparation principleIdentification and sourcing are followed by some form of assay, transformation or standardisation; the two pharmacological roles are sequenced inside a chosen setting; experience is then narrated and integrated. This page intentionally gives no extraction method, ratio or dose: chemical variability, botanical misidentification and RIMA drug interactions make the recipe-form an irresponsible reduction of the complex.

Three internal architectures

Vine kept, leaf exchanged

Banisteriopsis caapi + Mimosa / Acacia / Phalaris / Desmanthus
  • Retains caapi’s complex harmine–THH profile and often some of its ritual prestige.
  • Changes the tryptamine plant, its co-alkaloids and its ecological supply chain.
  • A hybrid, not a culturally neutral one-for-one substitution (Callaway, Brito and Neves, 2005).

Rue paired with varied flora

Peganum harmala + Psychotria / Diplopterys / Mimosa / Acacia / Phalaris
  • Combines a Central and West Asian medicine with American or Australasian tryptamine plants.
  • Rue is richer in harmaline and lacks caapi’s characteristic THH profile.
  • Its own histories should not be erased by calling it merely “the cheap MAOI” (Moloudizargari et al., 2013).

Compounds replace plants

DMT + harmine / harmaline · capsules, buccal or intranasal systems
  • Maximises reproducibility and separates route, duration and tolerability from the whole brew.
  • Makes the Indigenous pharmacological principle legible to trials, regulators and patents.
  • Also reveals what standardisation removes: taste, purge, plant relation and ceremonial authority.

The analogue matrix

Functional rolePrincipal plants / compoundsEthnobotanical and chemical distinction
Amazonian RIMA vineBanisteriopsis caapiHarmine and THH usually predominate; a culturally dense teacher-plant whose ritual identity cannot be reduced to MAO-A inhibition (Callaway, Brito and Neves, 2005; Santos et al., 2020).
Pangaean RIMA substitutePeganum harmalaHarmine and harmaline-rich seeds; long-standing fumigant, medicinal and apotropaic uses precede the analogue complex by centuries (Moloudizargari et al., 2013).
Canonical Amazonian leavesPsychotria viridis; Diplopterys cabreranaDMT-bearing ayahuasca/yagé companions. Retaining them does not automatically retain the social relations of an Amazonian rite.
Jurema sourceMimosa tenuifloraDMT-bearing root bark; independently central to northeastern Brazilian jurema traditions. Its analogue use is a modern branch, not the explanation of jurema religion (Gaujac et al., 2012; Grünewald, Savoldi and Collins, 2022).
Acacia sourcesAcacia confusa, A. acuminata and other speciesGlobal and Australian networks use several wattles, but alkaloid profiles vary by taxon, tissue and provenance. “Acacia” is not a chemically interchangeable unit.
Grass sourcesPhalaris aquatica; P. arundinaceaCosmopolitan, cultivable and radically variable. Some chemotypes contain DMT or 5-MeO-DMT; gramine/hordenine and livestock toxicity make abundance a poor proxy for safety (Mack, Mulvena and Slaytor, 1988; Gill et al., 2020).
Prairie sourceDesmanthus illinoensisAssociated with “prairiehuasca” in North American networks; evidence for reliable alkaloid yield is less consistent than the name suggests.
Isolated pairDMT + harmine/harmalinePharmahuasca removes taxonomic ambiguity and enables controlled pharmacokinetics, while transforming a plant relation into a formulation (Ott, 1999; Mueller et al., 2025).

Combination pharmacology

Oral DMT is normally metabolised rapidly by monoamine oxidase-A in the gut and liver. Harmine and harmaline reversibly inhibit MAO-A, allowing DMT to reach systemic circulation; DMT’s psychedelic effects are then mediated chiefly through serotonergic receptors including 5-HT2A (McKenna et al., 1984; Riba et al., 2003). Yet the popular metaphor of a simple “key” and “lock” is incomplete. Harmala alkaloids have central effects of their own, THH contributes a different profile, routes of administration reshape the time-course, and whole plants add variable minor alkaloids (Callaway, Brito and Neves, 2005; Rodríguez et al., 2022).

SAFETY

RIMAs can interact dangerously with serotonergic and sympathomimetic medicines and drugs. 5-MeO-DMT is not simply “another DMT source” and combining it with MAO inhibition is especially hazardous. Rue toxicity, pregnancy risk, psychiatric vulnerability and uncertain grass or Acacia chemistry require expert screening; botanical abundance and online testimony are not safety evidence (Berdai et al., 2014; Bouso et al., 2022).

Culture

Peoples and territories: a distributed social formation

This complex is not anchored to one people or homeland. Its territories are circuits: the small-press underground of the United States, European natural-products laboratories, Brazilian jurema and ayahuasca networks, Australian Acacia communities, global internet forums and, increasingly, university hospitals. These sites share methods and symbols without sharing one ancestry.

North American small-press underground
Editors · correspondents · seed exchangers · self-experimenters

Jim DeKorne’s Entheogen Review, founded in 1992, turned private bioassay into a distributed field notebook. Letters, reprinted chemistry, cultivation notes and cautions moved through a low-cost mail network before the web consolidated the scene (DeKorne, 1996).

Pangaean psychonautics
Jonathan Ott · natural-products experimenters · independent scholars

Ott’s Ayahuasca Analogues (1994) reframed the planet as a pharmacological commons: local plants could fill globally intelligible roles. His later pharmahuasca work formalised first-person experiment as human pharmacology (Ott, 1999).

Cyberdelic circuits
Terence McKenna · rave/cyberculture · early online psychonauts

McKenna joined DMT, plant intelligence, archaic revival, novelty and intelligent machines in a lecture culture that circulated by cassette, book, sampling and early network media. Psychedelic revelation became compatible with cybernetic futurity, not only pastoral return (Rushkoff, 1994; Turner, 2006; Davis, 2019).

Brazilian and transatlantic juremahuasca
Yatra · Rio psychonaut networks · Daimista and jurema interlocutors

Wanda Maria da Silveira Barbosa (“Yatra”) developed a jurema–rue practice in the Netherlands and carried it to Rio and northeastern Brazil in 1997. It became a site of dialogue, friction and bricolage among psychonautic, ayahuasqueiro and Indigenous jurema worlds—not the recovery of an ancient lost formula (Grünewald, Savoldi and Collins, 2022; Leite, 2026).

Australian Acacia networks
Growers · facilitators · Aboriginal critics · trial researchers

Native wattles support a distinctive local analogue imaginary, yet “native plant” does not confer Aboriginal authority. Contemporary Acacia use must be separated from abductive claims about undocumented precolonial entheogenic use and considered alongside Indigenous sovereignty and species-specific conservation (Gearin, 2015; Gearin and Calavia Sáez, 2021).

Clinical and proprietary nodes
Participants · therapists · ethics boards · regulators · patent holders

Zurich DMT–harmine studies and a Melbourne Acacia-derived pilot translate the analogue into capsules, buccal tablets, nasal delivery, psychometric scales and therapist dyads. The clinic is not cultureless: it is a ritual architecture of permission, measurement and professional authority (Mueller et al., 2025; Bonomo et al., 2025).

History and evidence

Ritual practice: from protocol to ceremony

There is no inherited liturgy proper to the whole complex. Instead, analogue practice assembles ritual from four recurring operations. The form can be austere self-experiment, occult psychonautics, borrowed ayahuasca ceremony, Brazilian hybrid religion, therapeutic retreat or clinical session.

01

Research and sourcing

Books, zines, plant networks, forums, taxonomy and chemical assays establish authority. The bibliography, vendor list and chromatogram function where a lineage genealogy might function elsewhere.

02

Transformation and testing

Plants become extracts, powders or standardised compounds. Chemical literacy becomes ritual competence; bioassay and peer testimony produce a provisional canon.

03

Set, setting and mediation

Domestic altars, darkness, music, eyeshades, facilitator roles or clinical rooms frame what counts as encounter, treatment, revelation or adverse event.

04

Report and integration

The trip report, forum thread, therapy session or research scale returns private vision to a collective archive. Testimony is both meaning-making and data.

Mythology and cosmology

McKenna’s Gaian futurism. The archaic revival was never merely nostalgic: plant intelligence, the Logos, hyperspace and autonomous entities met cybernetics, novelty and machine intelligence. DMT became a communications technology between human language and an animate cosmos (McKenna, 1991; St John, 2018a; Davis, 2019).

DeKorne’s imaginal peril. DeKorne’s world drew on Jung, occultism and shamanic literature. The visionary field could heal and instruct, but it also contained deceptive agencies and psychic danger. Self-initiation therefore demanded discrimination, not only openness (DeKorne, 1994).

Ott’s Pangaean entheogenic reformation. If equivalent compounds occurred across world flora, sacramental access need not remain geographically or institutionally scarce. “Pangaean” named a global pharmacological commons and an anticipated reformation of consciousness (Ott, 1994; 1996).

Cognitive liberty. In secular form, sovereignty of consciousness becomes the complex’s moral cosmology: persons claim a right to alter—or refuse the alteration of—their own minds. The claim contests prohibition, but also challenges medical systems that make legitimate access conditional on diagnosis and professional custody (Walsh, 2016; González Romero, 2023).

Shamanism, healing and the problem of authority

“Neoshamanism” here names an unstable field of apprenticeship, borrowing, invention and market exchange. It does not mean that every contemporary ceremony is fraudulent; neither does sincerity confer Indigenous lineage. Analogue specialists often earn authority through experience, chemical competence, charisma, therapeutic training or a network reputation rather than kinship and territorial transmission. When Amazonian songs, titles, aesthetics or claims are imported, their displacement must be made visible (Fotiou, 2016; Gearin and Calavia Sáez, 2021).

Clinical translation substitutes another authority-system: screening, ethics approval, standardised compounds, therapist dyads and validated scales. Spirits become imagery, purge becomes tolerability, revelation becomes insight, and lineage becomes protocol. This is neither simple progress nor mere desacralisation; it is a biopolitical change in who may produce extraordinary consciousness, under what conditions, and whose account counts as truth.

Art and material culture

The photocopied laboratory
Zines · marginalia · botanical plates · seed envelopes

Cut-and-paste pages placed receptor diagrams beside visionary testimony; cultivation notes beside warnings; hand-drawn apparatus beside ethnography. The rough page made specialist knowledge portable and intimate.

Cyberdelic image-worlds
Fractals · rave flyers · sampled speech · early web graphics

McKenna’s voice circulated as audio sample and digital oracle. Recursive geometry, biomechanical ornament and virtual reality gave a visual language to “hyperspace” and to the conjunction of archaic plants with technical futures (Rushkoff, 1994; Davis, 2019).

Domestic ritual hardware
Glassware · scales · jars · playlists · altars

The kitchen and home laboratory collapse medicine, sacrament and experiment into one room. Their objects materialise the complex’s characteristic ambiguity: care and risk, devotion and engineering.

The clinical set
Capsules · nasal devices · EEG · eyeshades · rating scales

The trial room retains soft light, plants, music and reclining bodies while surrounding them with monitoring and documentation. “Set and setting” becomes a reproducible intervention component (Perkins et al., 2021; Bonomo et al., 2025).

Visionary phenomenology

Analogue reports are often grouped under “ayahuasca-like,” but their phenomenology is not guaranteed by the presence of DMT. Plant chemistry, RIMA profile, route, expectancy, nausea, social frame and the absence or presence of a ritual specialist all shape the experience. Caapi, rue, grass, Acacia and isolated compounds should therefore be compared without declaring them interchangeable.

Three voices in the archive

> a psychic hydrogen bomb go off in my brain. — DeKorne (1996), recalling an inhaled Phalaris-derived experiment. Salient because it resists the analogue culture’s utopian tendency; it is not a dosage model or a description of oral ayahuasca.

Temporal and intensity profiles

FormTypical temporal envelopeReported character and evidential limit
Oral plant analoguesOnset often within 20–60 minutes; main effects commonly 3–6 hours.From gradual bodily threshold to overwhelming vision; highly variable plant chemistry and reporting conditions make these broad orientation ranges, not predictions (Ott, 1999).
Oral pharmahuascaSeveral hours, with a slower rise and longer narrative arc than inhaled DMT.More reproducible than unassayed plants but still strongly shaped by harmala exposure, absorption, expectation and setting (Ott, 1999).
Intranasal DMT + buccal harmineApproximately 2–3 hours, with a deliberately extended plateau.In 31 healthy men, the formulation was reported tolerable and controllable; the all-male healthy sample and laboratory frame sharply limit cultural and clinical generalisation (Mueller et al., 2025).
Acacia-derived oral formulationMulti-hour supported clinical session.Nine experienced healthy volunteers generally judged three formulations similar to ayahuasca. Open-label design, expectancy and the specialised sample prevent claims of equivalence (Bonomo et al., 2025).
Inhaled plant extractsSeconds to minutes; abrupt peak; shorter total course.Not pharmacologically or ritually equivalent to an oral analogue. Accounts can be exceptionally intense and chemically uncertain.

Recurring experiential sequence

01 · Somatic threshold

Heat, tremor, pressure, yawning, nausea, autonomic activation and a sense that the body is becoming permeable. Whether emesis is read as adverse effect, cleansing or absent feature depends on the frame.

02 · Visual structuring

Geometric filigree, saturated lattices, organic-machine morphologies and internally illuminated surfaces may organise the visual field before fully scenic imagery appears.

03 · Autobiographical intelligence

Memory replay, moral inventory, grief, shame, attachment and interpersonal scenes acquire unusual vividness and conviction. Therapeutic language calls this insight or emotional processing; other frames call it teaching.

04 · World or entity encounter

Autonomous scenes, presences, ancestors, animals, architectures, “aliens” or an impersonal intelligence may appear. The noetic force—the feeling that the vision reveals rather than imagines—is often more salient than visual complexity.

05 · Language and impossible media

Meaning may seem seen, sung or embodied rather than stated. McKenna’s “visible language” and cyberdelic descriptions of information-rich hyperspace became templates that can also shape later reports (St John, 2018a).

06 · Return and archive

Afterglow, exhaustion, vulnerability and interpretive urgency follow. Integration with a therapist, peer group, journal or forum decides whether the event becomes symptom, revelation, artwork, research datum or life-project.

DISTINCTION

Removing bitterness, nausea or purge is not a neutral improvement in “delivery.” It changes bodily attention, symbolism, vulnerability and the relation between ordeal and meaning. Likewise, a clinical capsule can reproduce selected compounds without reproducing ayahuasca as a whole social and more-than-human event.

Contemporary transformations

The democratisation of vision—and its limits

Analogue culture breaks the apparent monopoly of a distant flora. Cosmopolitan grasses, cultivated rue, local wattles and distributed chemical knowledge can reduce geographic dependence and make visionary practice possible outside pilgrimage or retreat markets. In that sense it behaves like an “open-source sacrament.” Yet access remains structured by policing, class, digital literacy, botanical expertise, disability, race, medical exclusion and the ability to assume legal risk. The commons is not automatically equitable, and decentralisation can simply move extraction from one plant or people to another.

Cognitive liberty and biopolitics

Cognitive liberty joins two claims: freedom from non-consensual mental intervention and freedom to alter one’s own consciousness. Analogue practice gives the second claim a material infrastructure—a global flora, accessible pharmacological concept and peer archive (Walsh, 2016; González Romero, 2023). Prohibition governs by criminalising unsanctioned consciousness; medicalisation governs by admitting selected altered states through diagnosis, professional supervision and proprietary products. Religious exemptions open a third channel, but usually privilege recognisable churches and inherited-looking liturgies over secular psychonautic conviction. The analogue complex exposes this hierarchy because its tradition is recent, networked and avowedly constructed.

Contemporary research

StudyWhat it addsWhat it cannot establish
Mueller et al. (2025)Thirty-one healthy men received intranasal DMT with buccal harmine; the combination extended effects into a 2–3-hour, controllable window and was tolerated in this setting.Not evidence for efficacy, women or diverse clinical populations; not a test of plants, ceremony or ayahuasca equivalence.
Bonomo et al. (2025)First published clinical pilot of purified oral formulations derived from two unnamed Australian Acacia species and P. harmala; nine experienced healthy volunteers, supported by a therapist dyad.The species were reported only as Acacia A/B. The small open-label sample and expectancy prevent generalisation; one high-dose participant had transient suicidal ideation that resolved with therapist intervention.
Suay et al. (2025)Controlled DMT–harmine work investigated changes in creative dynamics, widening the research focus beyond acute intensity alone.Laboratory creativity measures do not validate claims of plant intelligence or therapeutic transformation.
Aicher et al. (2026)In 28 healthy men, DMT–harmine reduced post-performance embarrassment and shame in a karaoke paradigm, suggesting a testable social-emotional after-effect.A small healthy-male experiment is neither an antidepressant trial nor proof of durable social healing.
Stojanović et al. (2026)A scoping review mapped 26 registered interventional trials of ayahuasca, DMT and DMT–harmine, showing rapid institutional expansion and heterogeneous routes and targets.Trial registration is not positive evidence, and compound studies cannot stand in for whole-rite ethnopharmacology.

Conservation and biological threat

Species, not genera
Acacia conservation

Some wattles are common or invasive; others have tiny ranges. Acacia courtii is nationally Vulnerable in Australia and was listed Endangered in New South Wales in 2026. It was not identified as a source in the 2025 clinical paper, which withheld its two species names (Australian Government, 2026; NSW TSSC, 2026; Bonomo et al., 2025).

Destructive plant parts
Mimosa and bark markets

Mimosa tenuiflora is globally assessed as Least Concern, but root-bark removal kills or damages individual plants. Conservation status does not measure local extraction pressure, provenance or the ethics of commodity chains (IUCN, 2021).

Abundance is not safety
Phalaris and Peganum

Reed canary grass and rue are invasive in parts of their introduced ranges, but variable toxic alkaloids, contaminated sites and misidentification remain concerns. An ecological weed is not automatically a responsible medicine (Gill et al., 2020).

Amazonian displacement
Caapi supply

Substitution may reduce demand for transported vine, yet it can also preserve “ayahuasca” branding while removing Indigenous cultivators from the value chain. Neither global endangerment nor sustainability should be asserted without local evidence.

Law and governance

JurisdictionCurrent position and analogue-specific problem
InternationalDMT is in Schedule I of the 1971 Psychotropic Convention. The INCB has stated that plants themselves are not internationally scheduled in the same manner, but national control of preparations, extraction and possession varies (United Nations, 1971; INCB, 2012).
United StatesDMT remains Schedule I under federal law. Case-specific religious protections for ayahuasca churches do not create a general exemption for analogues, home manufacture or secular cognitive-liberty claims (US Government, 2026).
United KingdomDMT is a Class A, Schedule 1 controlled drug; preparations intended to contain it carry severe legal risk. Plant status does not provide a dependable analogue loophole (UK Government, 2026).
BrazilCONAD Resolution No. 1/2010 regulates religious ayahuasca use. Its framework does not automatically legalise juremahuasca, pharmahuasca or substitutions outside recognised ayahuasca practice (CONAD, 2010).
AustraliaThe 2025 Acacia pilot reports that DMT and harmala alkaloids were Schedule 9 substances available in that study only through research permits. Native-plant status is not general permission (Bonomo et al., 2025).

Legal information changes and is not legal advice. The analogue complex is particularly exposed to uncertainty because plant, preparation, isolated compound, intention, extraction and religious context may be treated differently.

Patents: from prior art to proprietary route

The DMT–harmala principle is old knowledge and cannot plausibly be owned as a new discovery. Contemporary patents instead target salts, solubility, delivery routes, kits, devices and therapeutic use. WO2021259962A1, assigned to the University of Zurich, concerns DMT–harmine combinations and non-oral administration; WO2024023274A2, assigned to Reconnect Labs AG, concerns soluble harmine formulations; US11235110B1 claims a vaporisation delivery system for “ayahuasca-like” substances (University of Zurich, 2021; Reconnect Labs AG, 2024; Monster Color Carnival LLC, 2022).

ASYMMETRY

Indigenous combination knowledge can be treated as unownable prior art while a salt, device, route or clinical claim becomes private property. The analogue therefore sits at a sharp frontier between cognitive commons and pharmaceutical enclosure.

Linked species

These are constituent pages, not interchangeable ingredients. Each species carries its own ecology, chemistry and cultural history beyond the analogue complex.

RIMA source · Amazonian anchor

Banisteriopsis caapi

Ayahuasca vine; harmine- and THH-rich, with extensive Indigenous and religious biographies not exhausted by its enzyme inhibition.

RIMA source · Pangaean substitute

Peganum harmala

Harmel / Syrian rue; harmine- and harmaline-bearing seeds with independent medicinal, fumigatory and apotropaic traditions.

Tryptamine source · canonical ayahuasca leaf

Psychotria viridis

Chacruna; a principal DMT-bearing companion to caapi in many Amazonian and Brazilian religious preparations.

Tryptamine source · yagé companion

Diplopterys cabrerana

Chagropanga / chaliponga; DMT-bearing Malpighiaceae used in north-west Amazonian yagé traditions.

Tryptamine source · jurema

Mimosa tenuiflora

Jurema-preta; chemically recruited into juremahuasca while remaining culturally central to distinct northeastern Brazilian traditions.

Tryptamine source · Asian / diasporic Acacia

Acacia confusa

Taiwan acacia; widely circulated in global analogue networks. Alkaloid claims must remain tissue- and provenance-specific.

Tryptamine source · Australian Acacia

Acacia acuminata

Jam wattle; one focus of Australian analogue culture, demanding attention to chemotype, land relation and sustainable harvest.

Conservation warning · not a named trial source

Acacia courtii

A highly restricted wattle listed nationally Vulnerable and in NSW Endangered. Its rarity makes extractive interest especially consequential.

Variable grass tryptamines

Phalaris aquatica

Harding grass; some chemotypes contain tryptamines, but co-alkaloids and livestock toxicity make broad species claims unsafe.

Variable grass tryptamines

Phalaris arundinacea

Reed canary grass; cosmopolitan and invasive in some regions, with highly variable and often unsuitable alkaloid profiles.

Prairiehuasca association

Desmanthus illinoensis

Illinois bundleflower; a North American native enrolled in the analogue imaginary, though chemical reliability is contested.

Comparative tryptamine tradition

Anadenanthera peregrina

Yopo tree; important as a comparison with deep-time snuff traditions, not as a standard oral analogue constituent.

Bibliography

Harvard style (Cite Them Right) · DOI and stable-record links · 57 sources

Botany & taxonomy

01 · 3 sources
McKenna, D.J., Towers, G.H.N. and Abbott, F. (1984) ‘Monoamine oxidase inhibitors in South American hallucinogenic plants: tryptamine and β-carboline constituents of ayahuasca’, Journal of Ethnopharmacology, 10(2), pp. 195–223. Available at: https://doi.org/10.1016/0378-8741(84)90003-5.
Verified
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Riba, J., Valle, M., Urbano, G., Yritia, M., Morte, A. and Barbanoj, M.J. (2003) ‘Human pharmacology of ayahuasca: subjective and cardiovascular effects, monoamine metabolite excretion, and pharmacokinetics’, Journal of Pharmacology and Experimental Therapeutics, 306(1), pp. 73–83. Available at: https://doi.org/10.1124/jpet.103.049882.
Verified
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Santos, B.W.L., Oliveira, R.C., Sonsin-Oliveira, J., Fagg, C.W., Barbosa, J.B.F., Caldas, E.D. and Sampaio, S.V. (2020) ‘Biodiversity of β-carboline profile of Banisteriopsis caapi and ayahuasca, a plant and a brew with neuropharmacological potential’, Plants, 9(7), 870. Available at: https://doi.org/10.3390/plants9070870.
Verified
Open record ↗

Chemistry & pharmacology

02 · 7 sources
Callaway, J.C., Brito, G.S. and Neves, E.S. (2005) ‘Phytochemical analyses of Banisteriopsis caapi and Psychotria viridis’, Journal of Psychoactive Drugs, 37(2), pp. 145–150. Available at: https://doi.org/10.1080/02791072.2005.10399895.
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Gaujac, A., Dempster, N., Navickiene, S., Brandt, S.D. and de Andrade, J.B. (2012) ‘Determination of N,N-dimethyltryptamine in Mimosa tenuiflora inner barks by matrix solid-phase dispersion procedure and GC–MS’, Journal of Chromatography B, 881–882, pp. 107–110. Available at: https://doi.org/10.1016/j.jchromb.2011.11.014.
Verified
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Gill, P.A., Kaur, R., Ball, A.S., Wild, S. and Cavanagh, J-A.E. (2020) ‘Seasonal variation of alkaloids in Phalaris aquatica’, Crop and Pasture Science, 71(3), pp. 311–317. Available at: https://doi.org/10.1071/CP19293.
DOI checked
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Mack, J.P., Mulvena, D.P. and Slaytor, M. (1988) ‘N,N-Dimethyltryptamine production in Phalaris aquatica seedlings: a mathematical model for its regulation’, Plant Physiology, 88(2), pp. 315–320. Available at: https://doi.org/10.1104/pp.88.2.315.
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Moloudizargari, M., Mikaili, P., Aghajanshakeri, S., Asghari, M.H. and Shayegh, J. (2013) ‘Pharmacological and therapeutic effects of Peganum harmala and its main alkaloids’, Pharmacognosy Reviews, 7(14), pp. 199–212. Available at: https://doi.org/10.4103/0973-7847.120524.
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Ott, J. (1999) ‘Pharmahuasca: human pharmacology of oral DMT plus harmine’, Journal of Psychoactive Drugs, 31(2), pp. 171–177. Available at: https://doi.org/10.1080/02791072.1999.10471741.
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Rodríguez, C., Rollano-Peñaloza, O.M., Delporte, C. and Cassels, B.K. (2022) ‘Ayahuasca preparations: chemical composition and variability’, ACS Omega, 7(14), pp. 12307–12317. Available at: https://doi.org/10.1021/acsomega.2c00795.
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Ethnography, ritual & cosmology

03 · 9 sources
Fotiou, E. (2016) ‘The globalization of ayahuasca shamanism and the erasure of Indigenous shamanism’, Anthropology of Consciousness, 27(2), pp. 151–179. Available at: https://doi.org/10.1111/anoc.12056.
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Fotiou, E. (2020) ‘Shamanic tourism in the Peruvian lowlands: critical and ethical considerations’, Journal of Latin American and Caribbean Anthropology, 25(3), pp. 374–396. Available at: https://doi.org/10.1111/jlca.12508.
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Gearin, A.K. (2015) ‘An Amazonian shamanic brew in Australia: ayahuasca healing and individualism’, The Australian Journal of Anthropology, 26(2), pp. 186–201. Available at: https://doi.org/10.1111/taja.12143.
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Gearin, A.K. and Calavia Sáez, O. (2021) ‘Altered vision: ayahuasca shamanism and sensory sociality’, Current Anthropology, 62(2), pp. 138–163. Available at: https://doi.org/10.1086/713737.
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Grünewald, R.A., Savoldi, E. and Collins, L. (2022) ‘Juremahuasca: ritual, research and the reinvention of tradition’, Anthropology of Consciousness, 33(1), pp. 100–126. Available at: https://doi.org/10.1111/anoc.12150.
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Labate, B.C., Cavnar, C. and Gearin, A.K. (eds.) (2017) The world ayahuasca diaspora: reinventions and controversies. Abingdon: Routledge.
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Leite, M. (2026) ‘Juremahuasca, a sacrament to challenge all doctrines’, in Grünewald, R.A. and Savoldi, E. (eds.) The psychedelic science of the Jurema tree. Cham: Springer. Available at: https://doi.org/10.1007/978-3-032-22705-8_5.
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Tupper, K.W. (2008) ‘The globalization of ayahuasca: harm reduction or benefit maximization?’, International Journal of Drug Policy, 19(4), pp. 297–303. Available at: https://doi.org/10.1016/j.drugpo.2006.11.001.
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Tupper, K.W. (2009) ‘Ayahuasca healing beyond the Amazon: the globalization of a traditional Indigenous entheogenic practice’, Global Networks, 9(1), pp. 117–136. Available at: https://doi.org/10.1111/j.1471-0374.2009.00245.x.
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Law, policy & patents

04 · 12 sources
CONAD (2010) Resolução No. 1, de 25 de janeiro de 2010. Brasília: Conselho Nacional de Políticas sobre Drogas.
official resolution
González Romero, M. (2023) ‘Cognitive liberty: a human right in the neurotechnology era’, Frontiers in Psychology, 14, 1128996. Available at: https://doi.org/10.3389/fpsyg.2023.1128996.
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INCB (2012) Report of the International Narcotics Control Board for 2010. New York: United Nations, paras 284–287.
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Langlitz, N. (2013) Neuropsychedelia: the revival of hallucinogen research since the decade of the brain. Berkeley: University of California Press.
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Monster Color Carnival LLC (2022) Delivery system for ayahuasca-like substances. US Patent US11235110B1. Available at: Google Patents record.
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Reconnect Labs AG (2024) Highly soluble harmine formulations. International Patent WO2024023274A2. Available at: Google Patents record.
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Tupper, K.W. and Labate, B.C. (2012) ‘Plants, psychoactive substances and the International Narcotics Control Board: the control of nature and the nature of control’, Human Rights and Drugs, 2(1), pp. 17–28.
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UK Government (2026) Controlled drugs list. London: Home Office. Available at: GOV.UK (Accessed: 29 July 2026).
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United Nations Office on Drugs and Crime (UNODC) (1971) Convention on Psychotropic Substances, 1971. Vienna: United Nations. Available at: unodc.org (Accessed: 29 July 2026).
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University of Zurich (2021) Combinations of DMT and harmine for use in therapy. International Patent WO2021259962A1. Available at: Google Patents record.
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US Government (2026) ‘§1308.11 Schedule I’, Code of Federal Regulations, Title 21. Available at: eCFR (Accessed: 29 July 2026).
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Walsh, C. (2016) ‘Psychedelics and cognitive liberty: reimagining drug policy through the prism of human rights’, International Journal of Drug Policy, 29, pp. 80–87. Available at: https://doi.org/10.1016/j.drugpo.2015.12.025.
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Toxicology & safety

05 · 4 sources
Australian Government (2026) Species profile and threats database: Acacia courtii. Canberra: Department of Climate Change, Energy, the Environment and Water. Available at: Species profile (Accessed: 29 July 2026).
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Berdai, M.A., Labib, S., Harandou, M. and Atmani, M. (2014) ‘Peganum harmala intoxication: a case report’, Case Reports in Emergency Medicine, 2014, 783236. Available at: https://doi.org/10.1155/2014/783236.
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IUCN (2021) ‘Mimosa tenuiflora’, The IUCN Red List of Threatened Species. Cambridge: International Union for Conservation of Nature.
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NSW Threatened Species Scientific Committee (2026) Acacia courtii — final determination. Sydney: NSW Government.
official record

Visionary phenomenology

06 · 22 sources
Aicher, H.D. et al. (2026) ‘DMT–harmine reduces embarrassment and shame following social performance’, Psychopharmacology. Available at: https://doi.org/10.1007/s00213-026-07118-4.
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Aicher, H.D., Mueller, F., Dornbierer, D., Schmid, Y., Becker, A.M., Pokorny, T. and Borgwardt, S. (2024) ‘Acute effects of DMT and harmine on social cognition’, Frontiers in Psychiatry, 14, 1302559. Available at: https://doi.org/10.3389/fpsyt.2023.1302559.
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Bonomo, Y.A., Norman, A.F., Collins, L., Ross, M., Dwyer, J., Perkins, D. and Sarris, J. (2025) ‘DMT and harmala alkaloids: an exploratory study of oral Acacia based formulations in healthy volunteers’, Frontiers in Psychiatry, 16, 1545915. Available at: https://doi.org/10.3389/fpsyt.2025.1545915.
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Bouso, J.C., Andión, Ó., Sarris, J., Scheidegger, M., Tófoli, L.F., Opaleye, E.S., Schubert, V., Perkins, D. and Sánchez-Avilés, C. (2022) ‘Adverse effects of ayahuasca: results from the Global Ayahuasca Survey’, PLOS Global Public Health, 2(11), e0000438. Available at: https://doi.org/10.1371/journal.pgph.0000438.
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Davis, E. (2019) High weirdness: drugs, esoterica, and visionary experience in the seventies. Cambridge, MA: MIT Press.
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DeKorne, J. (1994) Psychedelic shamanism: the cultivation, preparation, and shamanic use of psychotropic plants. Port Townsend, WA: Loompanics Unlimited.
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DeKorne, J. (ed.) (1996) Ayahuasca analogues and plant-based tryptamines: the best of The Entheogen Review 1992–1996. El Rito, NM: The Entheogen Review.
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McKenna, T. (1991) The archaic revival. San Francisco, CA: HarperSanFrancisco.
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McKenna, T. (1992) Food of the gods: the search for the original tree of knowledge. New York: Bantam.
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McKenna, T. and McKenna, D. (1993 [1975]) The invisible landscape: mind, hallucinogens, and the I Ching. New York: HarperCollins.
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Mueller, F. et al. (2025) ‘Pharmacokinetics, safety and subjective effects of intranasal DMT with buccal harmine’, International Journal of Neuropsychopharmacology, 28(2), pyaf001. Available at: https://doi.org/10.1093/ijnp/pyaf001.
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Ott, J. (1994) Ayahuasca analogues: Pangaean entheogens. Kennewick, WA: Natural Products Co.
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Ott, J. (1996) Pharmacotheon: entheogenic drugs, their plant sources and history. 2nd edn. Kennewick, WA: Natural Products Co.
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Perkins, D. et al. (2021) ‘Influence of context and setting on the mental health and wellbeing outcomes of ayahuasca drinkers’, Frontiers in Pharmacology, 12, 623979. Available at: https://doi.org/10.3389/fphar.2021.623979.
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Rushkoff, D. (1994) Cyberia: life in the trenches of hyperspace. London: HarperCollins.
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St John, G. (2018a) ‘The breakthrough experience: DMT hyperspace and its liminal aesthetics’, Anthropology of Consciousness, 29(1), pp. 57–76. Available at: https://doi.org/10.1111/anoc.12089.
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St John, G. (2018b) ‘Gnosis potency: DMT breakthroughs and paragnosis’, in Cusack, C.M. and Kosnáč, P. (eds.) Fiction, invention and hyper-reality. Cham: Palgrave Macmillan, pp. 275–306. Available at: https://doi.org/10.1007/978-3-319-76720-8_12.
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Stojanović, T., Nilsson, K.W., Fredriksson, R., Schiöth, H.B. and Moulin, T.C. (2026) ‘Registered clinical trials of ayahuasca and DMT: a scoping review’, Clinical Pharmacology & Therapeutics, 120(1), pp. 94–108. Available at: https://doi.org/10.1002/cpt.70311.
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Strassman, R.J., Qualls, C.R., Uhlenhuth, E.H. and Kellner, R. (1994) ‘Dose-response study of N,N-dimethyltryptamine in humans’, Archives of General Psychiatry, 51(2), pp. 98–108. Available at: https://doi.org/10.1001/archpsyc.1994.03950020022002.
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Suay, D. et al. (2025) ‘Effects of DMT and harmine on creative dynamics’, Journal of Psychopharmacology. Available at: https://doi.org/10.1177/02698811251353256.
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Timmermann, C. et al. (2019) ‘Neural correlates of the DMT experience assessed with multivariate EEG’, Scientific Reports, 9, 16324. Available at: https://doi.org/10.1038/s41598-019-51974-4.
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Turner, F. (2006) From counterculture to cyberculture: Stewart Brand, the Whole Earth Network, and the rise of digital utopianism. Chicago: University of Chicago Press.
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