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    MMDA Encyclopedic
    Encyclopedic
    Typical encyclopedia coverage. Cross-reference for important decisions.
    • 2 corroborating sources
    • 1 ROA with full dose ladder
    • duration data present

    Stimulant Psychedelic

    Summary

    MMDA is a stimulant. Reported effects include euphoria, color enhancement, time distortion, and wakefulness. Limited data is available on its dosage and safety profile.

    Perspectives

    “I felt completely relaxed at one hour. Almost as if I was floating. There were no obvious effects on taste, and the relaxation and composed feeling is much like a small dose, maybe 20 mikes, of LSD. There was some dilation, and in the evening I was a little restless and slightly tired. I slept well, and awoke refreshed and happy.”

    Dose Information PsychonautWiki

    ROA Light Common Strong Heavy
    Oral 50-100mg 100-150mg 150-220mg 220mg+
    Light Common Strong Heavy

    Effect Profile

    5 reports

    Scores (1–10) curated from multiple sources:

    • Effect keyword matching from PsychonautWiki catalog
    • Weighted by importance: core (×3), major (×2), minor (×1)

    Full methodology

    Psychedelic 2.1
    Light 2/10

    Strong body load with mild visuals, low headspace

    Visual Intensity ×3
    4
    color enhancement drifting
    Headspace Depth ×3
    1
    time distortion
    Auditory Effects ×1
    0
    ⚠ Body Load / Somatic Effects ×1
    8
    vasoconstriction nausea teeth grinding increased heart rate
    Empathogen 5.0
    Moderate+ 5/10

    Strong sensory enhancement and euphoria with moderate stimulation

    Empathy / Social Openness ×3
    0
    Euphoria / Mood Elevation ×2
    9
    physical euphoria euphoria cognitive euphoria
    Stimulation ×1
    7
    stimulation wakefulness teeth grinding increased heart rate
    Sensory Enhancement ×1
    10
    tactile enhancement enhanced tactile sensation color enhancement increased libido
    Stimulant 6.5
    Strong 6/10

    Strong euphoria and anxiety/jitters with moderate focus and stimulation

    Stimulation / Energy ×3
    6
    stimulation wakefulness alertness enhancement
    Euphoria / Mood Lift ×2
    10
    physical euphoria euphoria cognitive euphoria motivation enhancement
    Focus / Productivity ×2
    7
    focus enhancement motivation enhancement thought acceleration
    ⚠ Anxiety / Jitters ×1
    10
    anxiety increased heart rate teeth grinding vasoconstriction
    Based on reports from:
    PiHKAL PiHKAL #132: MMDA Erowid Experience Reports PsychonautWiki MMDA
    View methodology →

    Add to PsychonautWiki Journal

    The PsychonautWiki Journal logging app doesn't include every substance. To track MMDA there, start adding an ingestion, search for the name, and choose to add it as a custom substance. Paste these values:

    ⬇ Download import file Import this file as custom substances and you get "MMDA (Substance Search)" with every route's full dose ladder and timeline, no typing. Works on iOS and Android (v15+); the format is confirmed by the app's developer. The manual values below work for older versions.
    Name
    MMDA
    Unit
    mg
    Description 
    MMDA
Source: SubstanceSearch (substancesearch.com)

Oral dose (mg): threshold 20-50 · light 50-100 · common 100-150 · strong 150-220 · heavy 220+

Oral duration: total 3-7h

Note: ranges are harm-reduction guidance, not a prescription. Start low, go slow, and test your substances.

    Tip: for quicker logging you can also add a Custom Unit in the app, e.g. common dose ~ 125 mg (Oral).

    The app keeps custom substances simple, so the full dose ranges live in the description text above. Ranges are harm-reduction guidance, not a prescription.

    Tolerance

    Build-up develops over days to weeks of regular use
    Reset 3–7 days for acute tolerance; longer for full reset

    Tolerance Decay

    Full tolerance 1d Half tolerance 10d Baseline ~18d

    Effects Erowid

    Aggregated from 5 Erowid experience reports

    Positive Effects 7

    Color Enhancement 100.0% 70%
    Euphoria 80.0% 70%
    Introspection 80.0% 70%
    Empathy 80.0% 70%
    Music Enhancement 80.0% 70%
    Focus Enhancement 60.0% 70%
    Stimulation 60.0% 70%

    Adverse Effects 3

    Anxiety 80.0% 70%
    Confusion 60.0% 70%
    Nausea 60.0% 70%

    Community Trip Reports

    Anecdotal first-person accounts from Reddit, Erowid, and Bluelight. Click a source to expand. Reports are harm-reduction context, not medical guidance. Tags summarise each author's own verdict — how reports are classified.

    Erowid 5 reports 2 positive 2 neutral 1 cautionary visit
    Like Swimming in a Warm Ocean Full of Love positive exp #117164

    I was very interested in trying MMDA after reading a few of the scarce trip reports online and Shulgin's reports. Easygoing euphoria with intense "mind movie" CEVs sounded incredible.

    Crabby · 180 mg oral
    A Compound I Had Long Been Interested In positive exp #115680

    MMDA: A Thorough Review and Bioassay of The Et [title truncated?] This had been a compound I had long been interested in, having read about Shulgin's experiences with "mind movies" and, more specifically, Claudio Naranjo's description of MMDA as a very useful therapeutic agent.

    InnerExplorer · 200 mg oral / 0.5 mg oral / 1 mg oral / 1 g oral
    There Was Life In Those Eyes neutral exp #98992

    June 4th, 2010 3-methoxy-4,5-methylendioxyamphetamine Dosage: 195mg Prologue: MMDA looks appealing just based on structure alone. If one drew the structure of mescaline, then superimposed the structure of MDA over mescaline you would get MMDA. Or, you could look at it as “3-MeO-MDA”.

    Morninggloryseed · 195 mg oral
    Miniature High cautionary exp #92427

    I use the word miniature in the sense that I would describe a piece by the jazz pianist Bud Powell as a miniature. Comparing a Beethoven piano sonata with 'Autumn in New York' as played by Powell would be analogous to comparing mescaline and MMDA.

    James Woodward
    Observations on Psychoactive Effects of MMDA neutral exp #92426

    [This report originally appeared as a typewritten page pasted into Book 1, pages 42-45 of the Shulgin Lab Books.] Report Of Subjective Observations on Psychoactive Effects of Methoxy Methylene Dioxy Amphetamine Subject: Irving 11:20 a.m., Saturday, September 1, 1962 - 210 mg.

    Irving · 210 mg oral
    Bluelight 1 thread 1 neutral visit
    Mmda New Experience There Was Life In Those Eyes neutral

    MMDA 3-methoxy-4,5-methylendioxyamphetamine Dosage: 195mg Prologue: MMDA looks appealing just based on structure alone. If one drew the structure of mescaline, then superimposed the structure of MDA over mescaline…you would get MMDA.

    scraped 2026-03-14

    PiHKAL / TiHKAL Shulgin

    PiHKAL #132: MMDA

    “I felt completely relaxed at one hour. Almost as if I was floating. There were no obvious effects on taste, and the relaxation and composed feeling is much like a small dose, maybe 20 mikes, of LSD. There was some dilation, and in the evening I was a little restless and slightly tired. I slept well, and awoke refreshed and happy.”

    — Alexander Shulgin, PiHKAL (with 100 mg)
    MMDA's nerd page Pharmacology, chemical data, effect profiles, and more
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    Helpful Links

    📘 Experience Reports 📖 PsychonautWiki