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psx:substance/bufotenin/issue/emergency@3f0909c25c71

issue2026-09-04recordsuperseded

derived from · upstream

  • derived_fromRevision 1psx:substance/bufotenin/version/1
  • invalidated_byIssued emergencypsx:substance/bufotenin/issue/emergency@c15c760aabf6

feeds · downstream

none recorded

Closure of psx:substance/bufotenin/issue/emergency@3f0909c25c71: 53 upstream, 86 downstream.

psx:substance/bufotenin/issue/emergency@3f0909c25c71
├─ derived_from  version/1  Revision 1
├─ invalidated_by  issue/emergency@c15c760aabf6  Issued emergency
  ├─ used  src/pmid:11061684  Bufotenine: toward an understanding of possible psychoactive mechanisms.
  ├─ used  src/url:1805447b1f8f88df  Bufotenine - Britannica
  ├─ used  src/pmid:8895112  Bufo toads and bufotenine: fact and fiction surrounding an alleged psychedelic.
  ├─ used  src/doi:10.7759/cureus.84510  Elevated Endogenous Psychedelic Bufotenine in the Urine of Patients Diagnosed With a Mental Illness: A Systematic Review.
  ├─ used  src/pmid:8663249  Mapping the binding site pocket of the serotonin 5-Hydroxytryptamine2A receptor. Ser3.36(159) provides a second interaction site for the protonated amine of serotonin but not of lysergic acid diethylamide or bufotenin.
  ├─ used  src/doi:10.1101/2025.04.28.650242  Rapid, open-source, and automated quantification of the head twitch response in C57BL/6J mice using DeepLabCut and Simple Behavioral Analysis.
  ├─ used  src/doi:10.1007/s00210-023-02414-8  Cardiovascular effects of bufotenin on human 5-HT4 serotonin receptors in cardiac preparations of transgenic mice and in human atrial preparations.
  ├─ used  src/pmid:26270149  Bufotenine - A Hallucinogen in Ancient Snuff Powders of South America and a Drug of Abuse on the Streets of New York City.
  ├─ used  src/url:434f322149329dce  Bufotenin - Chemical and Pharmacological Data (HandWiki)
  ├─ used  src/doi:10.1016/j.jbc.2023.105231  A cane toad (Rhinella marina) N-methyltransferase converts primary indolethylamines to tertiary psychedelic amines.
  ├─ used  src/doi:10.1016/j.fitote.2014.07.022  Desmodeleganine, a new alkaloid from the leaves of Desmodium elegans as a potential monoamine oxidase inhibitor.
  ├─ used  src/pmid:9468359  Altered consciousness states and endogenous psychoses: a common molecular pathway?
  ├─ used  src/pmid:8532147  Tissue distribution, metabolism and effects of bufotenine administered to rats.
  ├─ used  src/url:b536732d9f9ea687  Bufotenin Legal Status - Erowid
  ├─ used  src/url:2f18653ef299b426  Bufotenine - Illinois Schedule I Classification (Ill. Admin. Code tit. 77 § 2070.745)
  ├─ used  src/doi:10.1016/j.chemphyslip.2023.105279  Interaction of psychedelic tryptamine derivatives with a lipid bilayer
  ├─ used  src/doi:10.1016/j.bbamem.2024.184304  Spectroscopic behavior of bufotenine and bufotenine N-oxide: Solvent and pH effects and interaction with biomembrane models.
  ├─ used  src/pmid:9023266  High-affinity agonist binding is not sufficient for agonist efficacy at 5-hydroxytryptamine2A receptors: evidence in favor of a modified ternary complex model.
  ├─ used  src/pmid:12488534  Molecular basis of partial agonism: orientation of indoleamine ligands in the binding pocket of the human serotonin 5-HT2A receptor determines relative efficacy.
  ├─ used  src/doi:10.1021/acschemneuro.4c00513  Serotonin 1A Receptors Modulate Serotonin 2A Receptor-Mediated Behavioral Effects of 5-Methoxy-N,N-dimethyltryptamine Analogs in Mice
  ├─ used  src/pmid:11564657  RNA-editing of the 5-HT(2C) receptor alters agonist-receptor-effector coupling specificity.
  ├─ used  src/pmid:3475068  Urinary excretion of 5-methoxy-N,N-dimethyltryptamine, N,N-dimethyltryptamine and their N-oxides in the rat.
  ├─ used  src/doi:10.1016/j.biopha.2021.111749  Anti-inflammatory and analgesic actions of bufotenine through inhibiting lipid metabolism pathway.
  ├─ used  src/doi:10.1016/S1875-5364(21)60044-4
  ├─ used  src/pmid:20150873  Elevated urine levels of bufotenine in patients with autistic spectrum disorders and schizophrenia.
  ├─ used  src/pmid:533890  Bufotenine esters.
  ├─ used  src/pmid:4277490  Further studies on the mode of action of psychotomimetic drugs: antagonism of the excitatory actions of 5-hydroxytryptamine by methylated derivatives of tryptamine.
  ├─ used  src/pmid:3867833  Indolealkylamines and prolactin secretion. A structure-activity study in the central nervous system of the rat.
  ├─ used  src/pmid:148665  Stimulation of rat prolactin secretion by indolealkylamine hallucinogens.
  ├─ used  src/pmid:16051647  Monoamine oxidase inhibitors, opioid analgesics and serotonin toxicity.
  ├─ used  src/doi:10.1007/s00482-015-1512-0  Serotonin syndrome and pain medication: What is relevant for practice?
  ├─ derived_from  gen/eade0dc2-ba2a-44ff-b73f-27006586a371  Generation — pipeline-v5
  ├─ generated_by  pub/492ae0cf-b10f-4ea5-9b59-327ffbdcaad8  Publication — backfill
    ├─ used  search/e78233c4-0674-4ab3-83c5-3735afb1c96a  Searched PubChem for "bufotenin"
    ├─ used  search/89f85fa0-c468-4fe8-a6dc-d2e692f2c0e6  Searched PubMed for "bufotenin pharmacology receptor binding"
    ├─ used  search/aa824208-7eb2-4dad-b55e-40aad08d9c25  Searched OpenAlex for "bufotenin psychedelic tryptamine"
    ├─ used  search/ba225d34-8781-4c9c-a834-acf806dd48f3  Searched PubMed for "bufotenine human psychedelic hallucinogen effects"
    ├─ used  search/3c16ec32-eb21-43be-812d-4e7576731f5f  Searched PubMed for "bufotenine blood brain barrier serotonin metabolism"
    ├─ used  search/5adc27e9-c01a-4214-9282-c7e86adfabe7  Searched ClinicalTrials.gov for "bufotenin bufotenine"
    ├─ used  search/ac87f1a2-fa1f-4f29-8828-342883be0953  Searched PubMed for "bufotenine schizophrenia endogenous urine detection psychiatric"
    ├─ used  search/2a3a859a-8bce-47da-98c8-e0248ab0ce3e  Searched PubMed for "Anadenanthera peregrina bufotenine alkaloid seeds cohoba"
    ├─ used  search/e1ff9950-6b64-42dc-8b8f-a0929098e152  Searched PubMed for "bufotenine schizophrenia endogenous urine detection psychiatric"
    ├─ used  search/1454a6f1-133f-4c87-b5bc-ce30f0b93bcf  Searched OpenAlex for "bufotenine hallucinogen receptor pharmacology"
    ├─ used  search/a5897492-6480-4659-b217-c96bce9a238f  Searched PubMed for "Individual article fetches"
    ├─ used  search/52c0aeb3-60d9-4e13-8df6-1648305e3324  Searched WebSearch for "bufotenine legal status schedule controlled substance United States DEA / UK Canada Australia"
    ├─ used  search/be075b7e-4c55-4985-be0c-51824267faac  Searched WebSearch for "bufotenine history discovery Handovsky Gonçalves de Lima Phisalix Wieland"
    ├─ used  search/8cedce2f-d0bb-4e2f-8666-9376e083200c  Searched HandWiki
    ├─ used  search/3a4cfb10-cbf7-47bc-97ef-4e1fe9767684  Searched ClinicalTrials.gov for "bufotenin bufotenine"
    ├─ used  search/345dec85-aa38-4c57-8128-7b25327997d5  Searched OpenAlex for "bufotenine human study Fabing 1956 psychedelic"
    ├─ used  search/f69c30ed-e8a7-4e5d-b96b-a58ae01fbe98  Searched PubMed + Web for "Tramadol serotonin syndrome MAO bufotenine interaction"
    └─ used  search/95258fef-39a2-4465-9569-75d0723619ab  Searched PubChem + Handwiki for "Bufotenine chemical identity SMILES InChIKey CAS MW"
  ├─ derived_from  issue/notice@b90cab31cadf  Issued notice
  ├─ derived_from  issue/info_card@95f45b9756cb  Issued info_card
  ├─ derived_from  issue/notice@9a96b1160ba9  Issued notice
  ├─ derived_from  issue/info_card@f90ce3a3f165  Issued info_card
    ├─ used  claim/70a3aafa-e65d-43c7-bd70-dea31c934aa9  Claim in summary — inconclusive  working
    ├─ used  claim/d921b17c-60a7-48b9-8739-9bc4e297358a  Claim in pharmacology — supported
    ├─ used  claim/ade27048-09c6-4863-9efa-f2485dc87d39  Claim in safety — inconclusive  working
    ├─ used  claim/6cc870e4-cd99-4114-995b-4e3f105863c6  Claim in safety — inconclusive  working
    ├─ used  claim/8d45df45-bee9-4a81-a8cb-8e7bc46e618d  Claim in history — supported
    ├─ used  claim/42f9ba33-8174-414c-babd-374deddb7dea  Claim in chemistry — supported
    ├─ used  claim/ffe1d249-f936-4809-97cd-2fab0cfbcd42  Claim in summary — supported
    ├─ used  claim/e00784ed-37f0-476c-b943-dea682dd6e20  Claim in safety — supported
    ├─ used  claim/9001ec9f-fe94-4ac4-977d-7f2e6f630d8a  Claim in history — supported
    ├─ used  claim/e31b94f9-6e2f-40d6-b8ad-d2aeacdc7972  Claim in history — supported
    ├─ used  claim/379493e0-d3d2-4152-a166-e96223b2d958  Claim in clinical-evidence — supported
    ├─ used  claim/79e4ae78-d994-47d8-a528-5f03a412fa51  Claim in summary — supported
    ├─ used  claim/504ee2a8-bd24-476d-954b-1031eb68ff93  Claim in safety — supported
    ├─ used  claim/3e96ad07-92c0-4098-9904-c96a08ef0b57  Claim in history — supported
    ├─ used  claim/5891ad02-5dfd-4d21-a3c4-a080a0b5ca1f  Claim in chemistry — supported
    ├─ used  claim/b071480d-d8b9-4277-b404-650fe6a7ba28  Claim in clinical-evidence — supported
    ├─ used  claim/a8f31921-0435-43e1-916f-38799b19062c  Claim in summary — supported
    ├─ used  claim/20092761-9423-40a1-9647-9aef07735c86  Claim in pharmacology — supported
    ├─ used  claim/649f05c8-613c-45da-a674-6f585c124959  Claim in summary — supported
    ├─ used  claim/058ae230-70ce-444c-aa9d-aadf51eb87cb  Claim in pharmacology — supported
    ├─ used  claim/aaa5a85f-60dc-40de-a51f-0936facabd5f  Claim in pharmacology — supported
    ├─ used  claim/634809a5-2004-4345-8316-ae97152f9a4d  Claim in comparative-pharmacology — supported
    ├─ used  claim/bac4b925-40a7-43c0-bb4f-16f42556c931  Claim in summary — supported
    ├─ used  claim/3c03c6d4-4a92-41c5-9c31-bb68a72352d4  Claim in safety — supported
    ├─ used  claim/aa5d018f-cc7f-4e93-82ed-0d0a86b6b33f  Claim in pharmacology — supported
    ├─ used  claim/657b605b-0083-479f-9f6d-218c6eacca27  Claim in safety — supported
    ├─ used  claim/465ffc0a-19c5-47d7-a0e3-b917947befeb  Claim in safety — supported
    ├─ used  claim/014d0952-3acb-4458-adbf-c4acc2630eff  Claim in safety — supported
    ├─ used  claim/762b1982-c559-47f4-8f56-8abe4c7f3412  Claim in safety — supported
    ├─ used  claim/4349a17d-a810-4b96-80a2-c5292614a890  Claim in summary — inconclusive  working
    ├─ used  claim/27afe436-f04d-498e-bdb3-237e5b883c96  Claim in history — supported
    ├─ used  claim/81f61b78-9111-42bc-b6b3-312a39cfd65f  Claim in safety — supported
    ├─ used  claim/c74d229a-7a05-4e88-8b84-5f8bc97adec8  Claim in history — supported
    ├─ used  claim/1afd9b47-8fb6-4093-b828-66d77cfd923f  Claim in history — supported
    ├─ used  claim/a0387c09-0bb9-40ff-9edb-93e6548f1c62  Claim in chemistry — inconclusive  working
    ├─ used  claim/406b0df8-ffc0-420d-9a21-a7bfcbefd7ee  Claim in comparative-pharmacology — inconclusive  working
    ├─ used  claim/8eb5a7b6-3756-475e-9854-94ec73ec1763  Claim in history — supported
    ├─ used  claim/5313ba15-8e08-4c59-8b70-8423fc2ca1e4  Claim in chemistry — supported
    ├─ used  claim/c1aeb77f-a82a-4c4a-8589-e434bfeb21c5  Claim in chemistry — supported
    ├─ used  claim/1ac75bdf-6ac6-484c-82c5-2d94f215a699  Claim in safety — supported
    ├─ used  claim/3b4ec5b8-7871-4373-9e1e-ba6b1c37106d  Claim in clinical-evidence — supported
    ├─ used  claim/868aad5f-44b7-4e5b-8545-8adfcca0f596  Claim in neuroscience — supported
    ├─ used  claim/2bd31bd3-1b5e-4d44-af57-64d157567a1f  Claim in pharmacology — partially_supported
    ├─ used  claim/a5fd0e10-778e-47de-aee3-f07db0e0cc39  Claim in pharmacology — supported
    ├─ used  claim/21a40417-d8cb-4977-8569-462876af9da5  Claim in pharmacology — partially_supported
    ├─ used  claim/3348d3d0-e49f-4c2a-96a6-a0e0596c6f9d  Claim in pharmacology — supported
    ├─ used  claim/e9fd93b3-193d-4888-97a8-0746a2d9cbe2  Claim in safety — inconclusive  working
    ├─ used  claim/5dd11bd3-1b47-4af9-b624-80f7614e99ab  Claim in safety — inconclusive  working
    ├─ used  claim/4e1f9a5c-b8a7-4e02-9bdb-cd8fc45335d2  Claim in safety — inconclusive  working
    ├─ used  claim/a3b40c2f-2cb7-467d-99af-7c9f8f6b18df  Claim in safety — supported
    ├─ used  claim/8ff72d1d-112b-4932-b779-6426b962935e  Claim in safety — supported
    ├─ used  claim/eb3e9dee-3f35-4a6a-995c-72c637492b8b  Claim in safety — supported
    ├─ used  claim/81ddeebf-16d1-40c3-84b8-ba01257b5b73  Claim in pharmacokinetic-detail — supported
    ├─ used  claim/40d59ea1-943b-4d30-96e9-a6bd7e3ee75f  Claim in pharmacokinetic-detail — supported
    ├─ used  claim/ae684bfb-debd-412a-89f9-f3db319ff09a  Claim in pharmacology — supported
    ├─ used  claim/77401f36-5cdf-4949-b26d-1c929a919c17  Claim in chemistry — supported
    ├─ used  claim/0af3bea0-eb27-4ab3-bb51-379faeef9a10  Claim in comparative-pharmacology — supported
    ├─ used  claim/37bdafc3-af86-43ed-9b89-27c7a8fd94d9  Claim in pharmacology — supported
    ├─ used  claim/7d0eadf0-edc8-4569-8b8e-cd86b01940b3  Claim in receptor-pharmacology — supported
    ├─ used  claim/2e98dea9-f91a-4158-a48b-21cc068d1a45  Claim in comparative-pharmacology — supported
    ├─ used  claim/3416d5d9-64a8-486c-8960-bb847a424189  Claim in pharmacology — supported
    ├─ used  claim/d961a789-b53c-4fb8-8f3f-f18debe3c8e1  Claim in receptor-pharmacology — supported
    ├─ used  claim/595e10a7-e379-42e5-b8e9-2fc1b848112b  Claim in pharmacology — supported
    ├─ used  claim/77ef00c8-c5a1-41bd-9b8b-b81062e98eb7  Claim in pharmacology — supported
    ├─ used  claim/60a0b697-149e-419a-afc9-07767a88e606  Claim in pharmacology — supported
    ├─ used  claim/ea62cb55-8c07-4f85-a44b-d28f32ffa869  Claim in receptor-pharmacology — supported
    ├─ used  claim/a0183336-b6aa-4133-bd93-6fb7f70a8375  Claim in pharmacology — supported
    ├─ used  claim/c46dbf11-26e2-451d-9f15-84a92db6e414  Claim in receptor-pharmacology — supported
    ├─ used  claim/17e50658-f0a6-4853-8159-f7d3102db6f7  Claim in clinical-evidence — supported
    ├─ used  claim/d7c7d143-e3b9-47db-8c53-d7b147df9562  Claim in neuroscience — supported
    ├─ used  claim/b8d68d2a-8d5c-423d-b386-3ce0652a0489  Claim in safety — supported
    ├─ used  claim/28de4d21-0613-4ed7-8c32-40e4a9e0c003  Claim in safety — supported
      ├─ informed_by  section/summary.full@1
      ├─ informed_by  section/pharmacology.full@1
      ├─ informed_by  section/safety.full@1
      ├─ informed_by  section/history.full@1
      ├─ informed_by  section/chemistry.full@1
      ├─ informed_by  section/clinical-evidence.full@1
      ├─ informed_by  section/comparative-pharmacology.full@1
      ├─ informed_by  section/neuroscience.full@1
      ├─ informed_by  section/pharmacokinetic-detail.full@1
      └─ informed_by  section/receptor-pharmacology.full@1

indented by distance from this node, not by parentage

1Provenance card

the boundary, as counts

Sources

3111 with DOI

2 strong · 24 moderate · 5 weak

Compilations

12026-04-26T17:33:52.792Z

pipeline-v5 · prompt hash not recorded — run predates 2026-09

Decisions

29last ruled 2026-06-04

0 awaiting a ruling

Issued documents

62026-10-19T20:30:54.530Z

notice · info card · emergency

Searches

182 with no results

queries and counts on the build

Claims checked

7263 supported

63 supported · 9 not

Correspondence

0received

consent field ships in Phase 4

Edges

239

derivations recorded for this entity

Complete over 31 sources, 1 compilation, and 29 decisions.Not here: the private journal (never).Working material — drafts, discards, unsupported claims — is listed below and readable on the working page.Cite: psychedex.org/substances/bufotenin/archive

2Build

one panel per compilation run

generation run 2026-04-26

79 min completedmodel pipeline-v5plan not recordedrun/dffe132c…

Selection

results seen114
selected by the model49
consumed as sources31

Verification

claims checked72
supported61
partially supported2
not supported0
inconclusive9
  • record
  • seen / partial
  • working

The model's own caveats

none raised on this run

Reproduce

inputs
31 source keys (listed under Sources)
plan
not recorded — template version, prompt hash and git SHA are written from 2026-09 onward
model
pipeline-v5
streams
none — agent transcripts are persisted from 2026-09 onward
18 searches — query, source, results, what was kept and why
18 searches for this run
#sourcequeryseenkeptrationale
1PubMed · absenceAnadenanthera peregrina bufotenine alkaloid seeds cohoba0—No results, will try web search
2PubMedbufotenine blood brain barrier serotonin metabolism74Selected articles with direct bufotenine BBB, metabolism, and pharmacology data
3ClinicalTrials.govbufotenin bufotenine100No bufotenine-specific clinical trials found
4PubMedbufotenin pharmacology receptor binding156Selected articles with direct bufotenine data; discarded general tryptamine/5-MeO-DMT papers
5OpenAlexbufotenin psychedelic tryptamine102Selected reviews containing direct bufotenine pharmacology; discarded 5-MeO-DMT clinical trial papers
6PubMedbufotenine schizophrenia endogenous urine detection psychiatric33All directly relevant to endogenous bufotenine and psychiatric hypothesis
7PubMedbufotenine human psychedelic hallucinogen effects154All have direct bufotenine data; other results focused on 5-MeO-DMT
8PubChembufotenin11Primary chemical identity confirmation
9OpenAlexbufotenine hallucinogen receptor pharmacology102Only items with bufotenine-specific data selected
10OpenAlexbufotenine human study Fabing 1956 psychedelic22Both highly relevant - Maitland 2025 is critical new behavioral pharmacology data
11ClinicalTrials.gov · absencebufotenin bufotenine00No bufotenine-specific trials
12WebSearchbufotenine legal status schedule controlled substance United States DEA / UK Canada Australia104Multiple confirmatory sources converged
13HandWiki—14Only web source with quantitative binding data for bufotenine specifically
14PubChem + HandwikiBufotenine chemical identity SMILES InChIKey CAS MW21All chemical identity data confirmed
15PubMedIndividual article fetches810All confirmed relevant; Almaula 1996, Roth 1997, Berg 2001 also fetched
16WebSearchbufotenine history discovery Handovsky Gonçalves de Lima Phisalix Wieland101Corroborated by multiple web sources
17PubMedbufotenine schizophrenia endogenous urine detection psychiatric33All directly relevant to endogenous bufotenine in psychiatric disorders
18PubMed + WebTramadol serotonin syndrome MAO bufotenine interaction72Mechanistic basis for tramadol-bufotenine dangerous interaction confirmed
72 claims by section — every cited sentence, checked against its source
safety19 · 14 ok
  • The primary safety concern is cardiovascular toxicity: 5-HT₄-mediated positive inotropy and chronotropy confirmed in human atrial preparations, combined with well-documented peripheral vasoconstrictionsupported

    Bufotenin acts as agonist at human 5-HT4 receptors, increasing cardiac contractility (pD2=6.77 for left atrium) and heart rate (pD2=7.04 for right atrium) in transgenic mice and human atrial preparations. Demonstrates clinically relevant cardiovascular activity. s00210-023-02414-8

  • Claim in safety — inconclusiveinconclusiveworking →

  • Bufotenin produces peripheral vasoconstriction — described as 'a powerful constrictor of blood vessels, causing a rise in blood pressure' — and directly increases cardiac contractility and heart rate via 5-HT₄ receptors in isolated human atrial preparations (positive inotropic effect: pD2 = 6.77; positive chronotropic effect: pD2 = 7.04)supported

    Bufotenin acts as agonist at human 5-HT4 receptors, increasing cardiac contractility (pD2=6.77 for left atrium) and heart rate (pD2=7.04 for right atrium) in transgenic mice and human atrial preparations. s00210-023-02414-8

  • These cardiac effects are potentiated by MAO inhibition.supported

    Effects potentiated by MAO inhibitor. s00210-023-02414-8

  • Historical human IV experiments in the 1950s consistently produced alarming cardiovascular effects at doses intended to achieve psychedelic effects — facial flushing, tachycardia, and hypertension were prominent and dose-limiting.supported

    Comprehensive review of Bufo toad mythology and bufotenine science. Investigates alleged psychedelic properties. Reviews human experiments. pmid:8895112

  • Claim in safety — inconclusiveinconclusiveworking →

  • Claim in safety — inconclusiveinconclusiveworking →

  • Claim in safety — inconclusiveinconclusiveworking →

  • Claim in safety — inconclusiveinconclusiveworking →

  • The transmethylation hypothesis proposes that endogenous bufotenin overproduction may contribute to psychotic symptoms, but whether exogenous administration reliably induces psychosis or psychosis-adjacent states is undetermined from the available evidence.supported

    Reviews transmethylation hypothesis of schizophrenia. Bufotenin (N,N-dimethylserotonin) as endogenous psychotomimetic. Reviews conflicting data on MIA excretion in psychotic patients. pmid:9468359

  • The transmethylation hypothesis proposes that endogenous bufotenin overproduction may contribute to psychotic symptoms, but whether exogenous administration reliably induces psychosis or psychosis-adjacent states is undetermined from the available evidence.supported

    Concludes too early to use as biomarker. Endogenous bufotenine may be implicated in schizophrenia and ASD pathophysiology. cureus.84510

  • Tramadol is a weak serotonin reuptake inhibitor implicated in serotonin toxicity when combined with MAO inhibitors, including fatal casessupported

    Tramadol is a weak serotonin reuptake inhibitor; involved in serotonin toxicity with MAOIs (including fatalities). pmid:16051647

  • Tramadol is a weak serotonin reuptake inhibitor implicated in serotonin toxicity when combined with MAO inhibitors, including fatal casessupported

    Tramadol has serotonergic effects; in combination with MAOIs, risk of life-threatening serotonin syndrome. s00482-015-1512-0

  • Bufotenin contributes direct serotonin receptor agonism (5-HT₁A, 5-HT₂A/C, 5-HT₄) and is itself a MAO-A substratesupported

    Metabolized primarily by MAO-A (not MAO-B). pmid:8532147

  • MAO-A is bufotenin's primary metabolic enzyme; inhibition dramatically reduces clearance, prolongs duration of action, and increases plasma levelssupported

    Metabolized primarily by MAO-A (not MAO-B). pmid:8532147

  • In isolated human atrial preparations, the MAO inhibitor pargyline potentiated bufotenin's cardiac 5-HT₄ effectssupported

    Effects potentiated by MAO inhibitor. Demonstrates clinically relevant cardiovascular activity. s00210-023-02414-8

  • Historical forensic analysis documented that street bufotenin in New York City was typically smoked with marijuana, indicating co-use occurs, but no safety data on this combination have been published.supported

    Bufotenine identified in 42 NYC Police Lab case samples (sold as 'hashish', smoked with marijuana) since 1992. pmid:26270149

  • Cardiovascular disease, hypertension, and cardiac arrhythmia represent the most significant contraindication. 5-HT₄-mediated positive inotropy and chronotropy confirmed in human cardiac tissue, combined with peripheral vasoconstriction, create substantial cardiovascular risk for individuals with pre-existing cardiac conditions.supported

    Bufotenin acts as agonist at human 5-HT4 receptors, increasing cardiac contractility (pD2=6.77 for left atrium) and heart rate (pD2=7.04 for right atrium) in transgenic mice and human atrial preparations. Demonstrates clinically relevant cardiovascular activity. s00210-023-02414-8

  • Concurrent MAOI use is contraindicated due to bufotenin's MAO-A-dependent metabolismsupported

    Metabolized primarily by MAO-A (not MAO-B). pmid:8532147

pharmacology16 · 16 ok
  • Bufotenin acts as an agonist at multiple serotonin receptor subtypes, but its psychedelic profile is pharmacologically constrained by two converging factors: poor blood-brain barrier (BBB) penetration via systemic routes and balanced 5-HT₁A/5-HT₂A activity in which 5-HT₁A agonism suppresses 5-HT₂A-mediated psychedelic effects.supported

    Evidence is reviewed that the reported lack of classic hallucinogenic response in human experiments is due to poor BBB penetration, not lack of receptor activation. pmid:11061684

  • Bufotenin acts as an agonist at multiple serotonin receptor subtypes, but its psychedelic profile is pharmacologically constrained by two converging factors: poor blood-brain barrier (BBB) penetration via systemic routes and balanced 5-HT₁A/5-HT₂A activity in which 5-HT₁A agonism suppresses 5-HT₂A-mediated psychedelic effects.supported

    Bufotenine only induced elevated HTRs (ED50=0.99 mg/kg, max=24 counts) when 5-HT1A receptors were pharmacologically blocked. Without 5-HT1A blockade, bufotenine failed to produce significant HTR. 2025.04.28.650242

  • Roth et al. (1997) showed that bufotenin labeled approximately 22% of high-affinity 5-HT₂A agonist binding sites yet was devoid of detectable agonist activity in phosphoinositide hydrolysis assays — evidence favoring a modified ternary complex model where high-affinity binding alone is insufficient for receptor activationsupported

    Bufotenine labels ~22% high-affinity agonist binding sites at 5-HT2A but is devoid of detectable agonist activity (phosphoinositide hydrolysis). Demonstrates dissociation between high-affinity binding and functional efficacy. pmid:9023266

  • The molecular basis was elucidated by Almaula et al. (1996): N,N-dimethylation creates steric hindrance preventing a critical hydrogen bond with Ser3.36(159) in transmembrane helix 3, altering the ligand's orientation in the binding pocketsupported

    N,N-dimethylation causes steric hindrance preventing Ser3.36 hydrogen bond interaction. Reveals molecular basis of bufotenin's altered receptor interaction. pmid:8663249

  • Ebersole et al. (2003) confirmed that ligand position within the binding pocket determines degree of receptor activation.supported

    Ser3.36 and Ser5.46 interactions determine ligand position in binding pocket, which determines receptor activation. pmid:12488534

  • Maitland et al. (2025, preprint) tested bufotenin in the mouse head-twitch response (HTR) paradigm and found that bufotenin produced elevated HTRs only when 5-HT₁A receptors were pharmacologically blocked (ED50 = 0.99 mg/kg, maximum counts = 24)supported

    Bufotenine only induced elevated HTRs (ED50=0.99 mg/kg, max=24 counts) when 5-HT1A receptors were pharmacologically blocked. 2025.04.28.650242

  • Without 5-HT₁A blockade, bufotenin showed no significant HTR activity — paralleling findings with 5-MeO-DMT analogs.supported

    5-HT1A agonist activity can dampen 5-HT2A-mediated HTRs. 5-HT1A blockade markedly increases HTR responses (40-90 HTRs/30 min). Structure-activity relationships for N,N-dialkyl tryptamines. acschemneuro.4c00513

  • At the 5-HT₂C receptor (Ki = 16–209 nM), bufotenin exhibits agonist-directed trafficking: its relative efficacy for arachidonic acid release versus inositol phosphate accumulation is reversed compared to other agonists such as TFMPPsupported

    Bufotenin and TFMPP show reversed efficacy order (AA release vs IP accumulation) at non-edited 5-HT2C receptor, demonstrating agonist-directed trafficking. pmid:11564657

  • RNA editing of the 5-HT₂C receptor's second intracellular loop eliminates this biased signaling.supported

    RNA editing eliminates this trafficking difference. pmid:11564657

  • Bufotenin is also an agonist at human cardiac 5-HT₄ receptors (pD2 = 6.77–7.04), producing positive inotropic and chronotropic effects in isolated human atrial preparationssupported

    Bufotenin acts as agonist at human 5-HT4 receptors, increasing cardiac contractility (pD2=6.77 for left atrium) and heart rate (pD2=7.04 for right atrium) in transgenic mice and human atrial preparations. s00210-023-02414-8

  • In rats, subcutaneous bufotenin reaches peak tissue concentration approximately 1 hour post-injection, with high concentrations in lung, heart, and blood but significantly lower levels in brain and liver — brain-to-blood ratios are approximately 15-fold lower than those of 5-MeO-DMTpartially supported

    High in lung, heart, blood; low in brain and liver. Poor BBB penetration confirmed. pmid:8532147

  • The primary metabolic enzyme is MAO-A (not MAO-B), confirmed by differential effects of the selective inhibitors LY51641 (MAO-A selective) and deprenyl (MAO-B selective)supported

    Metabolized primarily by MAO-A (not MAO-B). pmid:8532147

  • The principal metabolite is 5-hydroxyindoleacetic acid (5-HIAA), accounting for approximately 70% of the administered dose — the same metabolite produced from serotoninpartially supported

    Metabolite 5-HIAA detected. pmid:8532147

  • Bufotenin N-oxide is a secondary metabolitesupported

    N-oxide metabolites of methylated tryptamines measured in rat urine. pmid:3475068

  • Unlike serotonin, bufotenin is not stored in platelets: greater than 99% is found in platelet-poor plasma compared to 2% for serotonin.supported

    Bufotenine not stored in platelets. pmid:8532147

  • Molecular dynamics simulations provide a molecular-level explanation for poor BBB penetration: bufotenin partitions into lipid bilayers but does not spontaneously cross the membrane, unlike DMT and 5-MeO-DMT, which cross spontaneously under identical simulation conditions.supported

    All partition into bilayer. Bufotenine does NOT cross membrane spontaneously (unlike DMT and 5-MeO-DMT), consistent with BBB impermeability. j.chemphyslip.2023.105279

history8 · 8 ok
  • Bufotenin has been reported in several Amanita mushroom species, including A. muscaria, A. citrina, A. porphyria, and A. tomentellasupported

    Natural sources: Anadenanthera seeds, toad species, mushrooms. pmid:26270149

  • In 1893, French pharmacologist Césaire Phisalix and biochemist Gabriel Bertrand first isolated a toxic component from the cutaneous secretion of Bufo vulgaris (common toad)supported

    Comprehensive review of Bufo toad mythology and bufotenine science. Discovery traced to 1893. pmid:8895112

  • Bufotenin is a major alkaloid in seeds of Anadenanthera peregrina (formerly Piptadenia peregrina), native to South America and the West Indiessupported

    Natural sources: Anadenanthera seeds, toad species, mushrooms. Historical use as snuff by South American indigenous peoples. pmid:26270149

  • Archaeological evidence confirms deep antiquity: bufotenin has been identified in 1,200-year-old samples of Anadenanthera material from excavated tombs in northern Chile.supported

    Archaeological samples found in 1200-year-old Andean tomb. pmid:26270149

  • Beyond Anadenanthera, bufotenin occurs in the skin and parotid glands of multiple toad species — Bufo marinus, B. vulgaris, B. viridis, and Rhinella marinasupported

    Identifies novel indolethylamine N-methyltransferase (RmNMT) in cane toad (Rhinella marina) and related NMT in Bufo bufo. RmNMT biosynthesizes bufotenin and other tryptamines. j.jbc.2023.105231

  • Bufotenin is produced endogenously in humans, detectable in urine under normal physiological conditions, presumably via indolethylamine N-methyltransferase (INMT) — the same enzyme implicated in endogenous DMT production.supported

    Urinary bufotenine detected in 82% of psychiatric patients vs 29% of healthy controls. cureus.84510

  • In 1956, Fabing and Hawkins administered intravenous bufotenin to psychiatric patients, reporting prominent cardiovascular effects — facial flushing, tachycardia, hypertension — with some visual phenomena at higher dosessupported

    Comprehensive review of Bufo toad mythology and bufotenine science. Investigates alleged psychedelic properties. Reviews human experiments. pmid:8895112

  • McBride (2000) reexamined the historical data and concluded that the absence of clear psychedelic effects in intravenous experiments reflects bufotenin's poor blood-brain barrier penetration rather than failure to activate relevant CNS receptorssupported

    Evidence is reviewed that the reported lack of classic hallucinogenic response in human experiments is due to poor BBB penetration, not lack of receptor activation. pmid:11061684

summary7 · 5 ok
  • Claim in summary — inconclusiveinconclusiveworking →

  • Intravenous experiments in psychiatric patients during the 1950s produced prominent cardiovascular effects but equivocal psychedelic responses, fueling decades of debate over whether the compound is genuinely hallucinogenicsupported

    Comprehensive review of Bufo toad mythology and bufotenine science. Investigates alleged psychedelic properties. Reviews human experiments. pmid:8895112

  • Modern research interest centers on the transmethylation hypothesis — elevated urinary bufotenin in schizophrenia and autism spectrum disorder — and on the pharmacological mechanisms constraining its psychedelic activity.supported

    Urinary bufotenine detected in 82% of psychiatric patients vs 29% of healthy controls. 5/8 studies found higher bufotenine in mental illness. Endogenous bufotenine may be implicated in schizophrenia and ASD pathophysiology. cureus.84510

  • Bufotenin binds 5-HT₂A receptors (Ki = 15–>10,000 nM) but exhibits near-zero functional efficacy at that target — a dissociation attributable to steric hindrance from N,N-dimethylation, which prevents a critical hydrogen bond with Ser3.36(159) in transmembrane helix 3supported

    N,N-dimethylation causes steric hindrance preventing Ser3.36 hydrogen bond interaction. Reveals molecular basis of bufotenin's altered receptor interaction. pmid:8663249

  • Concurrent 5-HT₁A agonism (Ki = 2.5–1,023 nM) actively suppresses residual 5-HT₂A-mediated effects; mouse head-twitch response data show psychedelic-like activity emerges only under 5-HT₁A blockade (ED50 = 0.99 mg/kg)supported

    Bufotenine only induced elevated HTRs (ED50=0.99 mg/kg, max=24 counts) when 5-HT1A receptors were pharmacologically blocked. 2025.04.28.650242

  • Bufotenin also acts as an agonist at human cardiac 5-HT₄ receptors (pD2 = 6.77–7.04).supported

    Bufotenin acts as agonist at human 5-HT4 receptors, increasing cardiac contractility (pD2=6.77 for left atrium) and heart rate (pD2=7.04 for right atrium) in transgenic mice and human atrial preparations. s00210-023-02414-8

  • Claim in summary — inconclusiveinconclusiveworking →

chemistry6 · 5 ok
  • Claim in chemistry — inconclusiveinconclusiveworking →

  • This hydrophilicity directly underlies the compound's poor blood-brain barrier penetrationsupported

    Evidence is reviewed that the reported lack of classic hallucinogenic response in human experiments is due to poor BBB penetration, not lack of receptor activation. pmid:11061684

  • Molecular dynamics simulations confirm that bufotenin partitions into lipid bilayers but does not cross membranes spontaneously — unlike DMT and 5-MeO-DMT, which traverse model membranes during simulation timescales.supported

    All partition into bilayer. Bufotenine does NOT cross membrane spontaneously (unlike DMT and 5-MeO-DMT), consistent with BBB impermeability. j.chemphyslip.2023.105279

  • In animals, it is biosynthesized in the parotid glands and skin of toads via a toad-specific indolethylamine N-methyltransferase (RmNMT) that converts serotonin to bufotenin through sequential methylationsupported

    Identifies novel indolethylamine N-methyltransferase (RmNMT) in cane toad (Rhinella marina). RmNMT biosynthesizes bufotenin and other tryptamines. j.jbc.2023.105231

  • In plants, it is a major alkaloid of Anadenanthera peregrina seeds and has been isolated from Desmodium elegans leavessupported

    Bufotenin isolated from Desmodium elegans leaves alongside new MAO inhibitor alkaloid. j.fitote.2014.07.022

  • Bufotenin is also produced endogenously in humans, detectable in urine under normal physiological conditions, presumably via indolethylamine N-methyltransferase (INMT)supported

    Urinary bufotenine detected in 82% of psychiatric patients vs 29% of healthy controls. cureus.84510

clinical-evidence4 · 4 ok
  • The only human dosing data come from uncontrolled experiments conducted in the 1950s–60s, reviewed in secondary sourcessupported

    Comprehensive review of Bufo toad mythology and bufotenine science. Reviews human experiments. Provides bibliography of Bufo toad and bufotenine history. pmid:8895112

  • Clarke (2025) conducted a systematic review of studies measuring urinary bufotenin in patients with schizophrenia and autism spectrum disorder, finding consistently elevated levels compared to controlssupported

    Systematic review of 8 papers (609 participants). Urinary bufotenine detected in 82% of psychiatric patients vs 29% of healthy controls. 5/8 studies found higher bufotenine in mental illness. cureus.84510

  • Ciprian-Ollivier (1997) proposed a common molecular pathway linking altered methylation to endogenous psychosissupported

    Reviews transmethylation hypothesis of schizophrenia. Bufotenin (N,N-dimethylserotonin) as endogenous psychotomimetic. Ayahuasca model for understanding hallucinogenic symptoms in schizophrenia. pmid:9468359

  • Zhao et al. (2021) identified analgesic properties of bufotenin and its derivatives through computational target prediction and behavioral assays in animal modelssupported

    Reverse docking identified AChE and alpha4beta2 nAChR as analgesic targets. Bufotenine+morphine shows synergistic analgesia. s1875-5364(21)60044-4

comparative-pharmacology4 · 3 ok
  • Its polarity reduces lipophilicity (log P = 0.89–2.04), directly impairing membrane permeability and BBB penetrationsupported

    Bufotenine does NOT cross membrane spontaneously (unlike DMT and 5-MeO-DMT), consistent with BBB impermeability. j.chemphyslip.2023.105279

  • At the receptor level, bufotenin's 5-hydroxyl group creates additional constraints on binding orientation at 5-HT₂A that virtually eliminate functional efficacy.supported

    Bufotenine labels ~22% high-affinity agonist binding sites at 5-HT2A but is devoid of detectable agonist activity (phosphoinositide hydrolysis). Demonstrates dissociation between high-affinity binding and functional efficacy. pmid:9023266

  • Claim in comparative-pharmacology — inconclusiveinconclusiveworking →

  • The Maitland et al. (2025, preprint) findings with bufotenin — where HTR activity emerged only under 5-HT₁A blockade — extend this principle to a 5-hydroxylated tryptaminesupported

    Bufotenine only induced elevated HTRs (ED50=0.99 mg/kg, max=24 counts) when 5-HT1A receptors were pharmacologically blocked. Without 5-HT1A blockade, bufotenine failed to produce significant HTR. 2025.04.28.650242

receptor-pharmacology4 · 4 ok
  • Bufotenin labels approximately 22% of high-affinity agonist binding sites — comparable to the 26% labeled by the full agonist DOI — but produces no detectable phosphoinositide hydrolysissupported

    Bufotenine labels ~22% high-affinity agonist binding sites at 5-HT2A but is devoid of detectable agonist activity (phosphoinositide hydrolysis). pmid:9023266

  • Serotonin's primary amine forms hydrogen bonds with both Asp3.32 and Ser3.36(159) in the 5-HT₂A binding pocket; bufotenin's bulkier tertiary amine maintains the Asp3.32 interaction but cannot access Ser3.36, resulting in an altered binding orientation that fails to trigger the activation cascade.supported

    Ser3.36 and Ser5.46 interactions determine ligand position in binding pocket, which determines receptor activation. Relevant to bufotenine's partial agonist behavior. pmid:12488534

  • This functional selectivity is abolished by RNA editing of the second intracellular loop, indicating that receptor isoform determines the downstream signaling pattern.supported

    RNA editing eliminates this trafficking difference. pmid:11564657

  • Reverse docking analyses have implicated bufotenin as a ligand at sigma-1 and 5-HT₃A receptors, potentially contributing to anti-inflammatory effectssupported

    Sigma-1 receptor and 5-HT3A receptor binding implicated. Anti-inflammatory and analgesic mechanisms described. j.biopha.2021.111749

neuroscience2 · 2 ok
  • Bufotenin, like DMT and 5-MeO-DMT, antagonized 5-HT excitations on single neurons, demonstrating direct CNS activity when the blood-brain barrier is bypassedsupported

    Bufotenine (5-HODMT), like DMT and 5-MeO-DMT, specifically antagonized 5-HT excitations on single neurons. All three psychotomimetic tryptamines mimicked 5-HT actions on neurons. pmid:4277490

  • Proposed in the mid-20th century and refined by Ciprian-Ollivier (1997), it posits that endogenous overproduction of methylated tryptamines — including bufotenin, DMT, and their precursors — contributes to psychotic symptomatologysupported

    Reviews transmethylation hypothesis of schizophrenia. Bufotenin (N,N-dimethylserotonin) as endogenous psychotomimetic. Ayahuasca model for understanding hallucinogenic symptoms in schizophrenia. pmid:9468359

pharmacokinetic-detail2 · 2 ok
  • The only systematic pharmacokinetic data derive from Fuller et al. (1995) in rats following subcutaneous injection:supported

    Bufotenine concentrations measured in rats after s.c. injection. pmid:8532147

  • Bufotenin is primarily metabolized by MAO-Asupported

    Metabolized primarily by MAO-A (not MAO-B). pmid:8532147

3Sources

31 consumed · sorted by year · feeds = sections resting on it

Sources 1 to 30
yearsourcetierstatusfeeds
2025Elevated Endogenous Psychedelic Bufotenine in the Urine of Patients Diagnosed With a Mental Illness: A Systematic Review.Clarke AJ · Cureusdoi:10.7759/cureus.84510strongconsumed5 sections
2025Rapid, open-source, and automated quantification of the head twitch response in C57BL/6J mice using DeepLabCut and Simple Behavioral Analysis.Maitland AD, Gonzalez NR, Walther D, Pereira F, Baumann MH, Glatfelter GC · bioRxiv (preprint)doi:10.1101/2025.04.28.650242moderateconsumed3 sections
2024Bufotenine - Britannicaurl:1805447b1f8f88dfweakconsumedcited only
2024Serotonin 1A Receptors Modulate Serotonin 2A Receptor-Mediated Behavioral Effects of 5-Methoxy-N,N-dimethyltryptamine Analogs in MiceGlatfelter GC, Clark AA, Cavalco NG, et al. · ACS Chemical Neurosciencedoi:10.1021/acschemneuro.4c00513moderateconsumed1 section
2024Spectroscopic behavior of bufotenine and bufotenine N-oxide: Solvent and pH effects and interaction with biomembrane models.Almeida E Silva G, Galvão Wakui V, Kato L, Marquezin CA · Biochimica et Biophysica Acta - Biomembranesdoi:10.1016/j.bbamem.2024.184304moderateconsumedcited only
2023A cane toad (Rhinella marina) N-methyltransferase converts primary indolethylamines to tertiary psychedelic amines.Chen X, Li J, Yu L, et al. · Journal of Biological Chemistrydoi:10.1016/j.jbc.2023.105231moderateconsumed2 sections
2023Bufotenin - Chemical and Pharmacological Data (HandWiki)url:434f322149329dceweakconsumedcited only
2023Cardiovascular effects of bufotenin on human 5-HT4 serotonin receptors in cardiac preparations of transgenic mice and in human atrial preparations.Neumann J, Schulz N, Fehse C, Azatsian K, et al. · Naunyn-Schmiedeberg's Archives of Pharmacologydoi:10.1007/s00210-023-02414-8moderateconsumed3 sections
2023Interaction of psychedelic tryptamine derivatives with a lipid bilayerZohairi F, Khandelia H, Hakami Zanjani AA · Chemistry and Physics of Lipidsdoi:10.1016/j.chemphyslip.2023.105279moderateconsumed3 sections
2021Anti-inflammatory and analgesic actions of bufotenine through inhibiting lipid metabolism pathway.Wang J, Xu D, Shen L, et al. · Biomedicine & Pharmacotherapydoi:10.1016/j.biopha.2021.111749moderateconsumed1 section
2021Bufotenine and its derivatives: synthesis, analgesic effects identification and computational target prediction.Zhao C, Chen M, Sun SL, et al. · Chinese Journal of Natural Medicinesdoi:10.1016/s1875-5364(21)60044-4moderateconsumedcited only
2020Bufotenin Legal Status - Erowidurl:b536732d9f9ea687weakconsumedcited only
2015Serotonin syndrome and pain medication: What is relevant for practice?Schenk M, Wirz S · Schmerzdoi:10.1007/s00482-015-1512-0moderateconsumed1 section
2014Desmodeleganine, a new alkaloid from the leaves of Desmodium elegans as a potential monoamine oxidase inhibitor.Zhi KK, Yang ZD, Shi DF, et al. · Fitoterapiadoi:10.1016/j.fitote.2014.07.022moderateconsumed1 section
2010Elevated urine levels of bufotenine in patients with autistic spectrum disorders and schizophrenia.Emanuele E, Colombo R, Martinelli V, et al. · Neuro Endocrinology Letterspmid:20150873moderateconsumedcited only
2005Monoamine oxidase inhibitors, opioid analgesics and serotonin toxicity.Gillman PK · British Journal of Anaesthesiapmid:16051647strongconsumed1 section
2003Molecular basis of partial agonism: orientation of indoleamine ligands in the binding pocket of the human serotonin 5-HT2A receptor determines relative efficacy.Ebersole BJ, Visiers I, Weinstein H, Sealfon SC · Molecular Pharmacologypmid:12488534moderateconsumed2 sections
2001RNA-editing of the 5-HT(2C) receptor alters agonist-receptor-effector coupling specificity.Berg KA, Cropper JD, Niswender CM, Sanders-Bush E, Emeson RB, Clarke WP · British Journal of Pharmacologypmid:11564657moderateconsumed2 sections
2000Bufotenine: toward an understanding of possible psychoactive mechanisms.McBride MC · Journal of Psychoactive Drugspmid:11061684moderateconsumed5 sections
1997Altered consciousness states and endogenous psychoses: a common molecular pathway?Ciprian-Ollivier J, Cetkovich-Bakmas MG · Schizophrenia Researchpmid:9468359moderateconsumed3 sections
1997High-affinity agonist binding is not sufficient for agonist efficacy at 5-hydroxytryptamine2A receptors: evidence in favor of a modified ternary complex model.Roth BL, Choudhary MS, Khan N, Uluer AZ · Journal of Pharmacology and Experimental Therapeuticspmid:9023266moderateconsumed3 sections
1996Bufo toads and bufotenine: fact and fiction surrounding an alleged psychedelic.Lyttle T, Goldstein D, Gartz J · Journal of Psychoactive Drugspmid:8895112moderateconsumed4 sections
1996Bufotenine - Illinois Schedule I Classification (Ill. Admin. Code tit. 77 § 2070.745)url:2f18653ef299b426weakconsumedcited only
1996Mapping the binding site pocket of the serotonin 5-Hydroxytryptamine2A receptor. Ser3.36(159) provides a second interaction site for the protonated amine of serotonin but not of lysergic acid diethylamide or bufotenin.Almaula N, Ebersole BJ, Zhang D, Weinstein H, Sealfon SC · Journal of Biological Chemistrypmid:8663249moderateconsumed2 sections
1995Tissue distribution, metabolism and effects of bufotenine administered to rats.Fuller RW, Snoddy HD, Perry KW · Neuropharmacologypmid:8532147moderateconsumed3 sections
1994Bufotenine - A Hallucinogen in Ancient Snuff Powders of South America and a Drug of Abuse on the Streets of New York City.Chamakura RP · Forensic Science Reviewpmid:26270149weakconsumed5 sections
1987Urinary excretion of 5-methoxy-N,N-dimethyltryptamine, N,N-dimethyltryptamine and their N-oxides in the rat.Sitaram BR, Lockett L, Blackman GL, McLeod WR · Biochemical Pharmacologypmid:3475068moderateconsumed1 section
1985Indolealkylamines and prolactin secretion. A structure-activity study in the central nervous system of the rat.Seeman G, Brown GM · Neuropharmacologypmid:3867833moderateconsumedcited only
1979Bufotenine esters.Glennon RA, Gessner PK, Godse DD, Kline BJ · Journal of Medicinal Chemistrypmid:533890moderateconsumedcited only
1978Stimulation of rat prolactin secretion by indolealkylamine hallucinogens.Meltzer HY, Fessler RG, Simonovic M, Fang VS · Psychopharmacologypmid:148665moderateconsumedcited only
Show all 33 sources — 3 more
Sources 31 to 33
yearsourcetierstatusfeeds
1974Further studies on the mode of action of psychotomimetic drugs: antagonism of the excitatory actions of 5-hydroxytryptamine by methylated derivatives of tryptamine.Bradley PB, Briggs I · British Journal of Pharmacologypmid:4277490moderateconsumed1 section
—Searched ClinicalTrials.gov for "bufotenin bufotenine" — no resultsabsenceno results—
—Searched PubMed for "Anadenanthera peregrina bufotenine alkaloid seeds cohoba" — no resultsabsenceno results—

4Docket

one filing per activity — decisions, correspondence, reports

  1. 0012026-04-26revisionRevision 1

    Initial LLM generation (v5 pipeline, wiki)

    psx:substance/bufotenin/version/1
  2. 0022026-06-04proposal27 value proposals approved together

    one review action inferred from a shared reviewer and instant — the graph records one activity per proposal

    27 items in this filing

    • dose_tier · light
    • dose_tier · common
    • dose_tier · strong
    • dose_tier · heavy
    • timeline · smoked · onset
    • timeline · smoked · come_up
    • timeline · smoked · peak
    • timeline · smoked · resolution
    • timeline · smoked · afterglow
    • toxicity
    • dependence · full
    • withdrawal
    • tolerance
    • duration · smoked · onset
    • duration · smoked · come_up
    • duration · smoked · peak
    • duration · smoked · offset
    • duration · smoked · total
    • duration · smoked · aftereffects
    • contraindication · cardiovascular
    • contraindication · cardiovascular
    • contraindication · cardiovascular
    • contraindication · psychiatric
    • contraindication · other
    • contraindication · other
    • contraindication · pregnancy_breastfeeding
    psx:substance/bufotenin/proposal/dose_tier/2a0a2333-9ea8-40ac-8f11-4d98c62d38bf
  3. 0032026-06-04publicationPublication — backfill

5Issued documents

what the notice, info card and emergency page said, by hash

Issued documents
documentcontent hashissuedfrom versionsuperseded
emergencyc15c760aabf6f0fcf5b6fc6b…2026-10-19 20:30Revision 1current
info_cardf90ce3a3f16547f16e0f2458…2026-10-19 20:30Revision 1current
notice9a96b1160ba9098f7cde020c…2026-10-19 20:30Revision 1current
emergency3f0909c25c714d225b4bb3e3…2026-09-04 04:29Revision 1superseded2026-10-19
info_card95f45b9756cb1eff527e9ac5…2026-09-04 04:29Revision 1superseded2026-10-19
noticeb90cab31cadf5bd920a3dc6c…2026-09-04 04:29Revision 1superseded2026-10-19