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    πŸ§ͺ This is a research chemical with limited data on its long-term health effects, toxicity profile, and safe dosage ranges.

    4-HO-MiPT Well-documented
    Well-documented
    Multiple authoritative sources agree on dosing and effects.
    • 4 corroborating sources
    • 1 ROA with full dose ladder
    • duration data present
    • 18 combo interactions documented
    • PubChem toxicity data
    • classified Research-chemical

    Aliases: 4-ho, Ho-mipt, Miprocin, 4homipt, homipt

    Summary PsychonautWiki

    4-Hydroxy-N-methyl-N-isopropyltryptamine (also known as 4-HO-MiPT, and Miprocin) is a novel psychedelic substance of the tryptamine class that produces psilocybin-like psychedelic effects when administered. It is part of a series of psychedelic substituted tryptamines such as 4-AcO-DMT, 4-HO-MET, 4-HO-DiPT that are considered to produce variations of the core psychedelic effects typified by psilocin.

    Perspectives

    “4-HO-MiPT carries a gripping bodyload on the comeup, a turbulent ascent, but it quickly levels off in a delightful cognitive thunderstorm. This chemical has an essence of fire and life in it, it excites instinct and taps into something primal within the mind.”

    “I am stuck just part way on. There is some retinal activity with my eyes closed. Maybe I am a little light-headed, a little starry. Nothing much.”

    Dose Information TripSit PsychonautWiki

    ROA Light Common Strong Heavy
    Oral 10-15mg 15-25mg 25-35mg 35mg+
    Light Common Strong Heavy

    Onset, Duration & After-effects TripSit PsychonautWiki

    ROA Onset Comeup Peak Offset After Effects Total
    Oral 12-48 min 18-60 min 1.5-2.5 hrs 1-2 hrs 2-12 hrs 6-8 hrs

    Effect Profile

    118 reports

    Scores (1–10) curated from multiple sources:

    • Effect keyword matching from PsychonautWiki catalog
    • Validated against 81 Erowid trip reports
    • Weighted by importance: core (×3), major (×2), minor (×1)

    Full methodology

    Psychedelic 8.8
    Intense+ 9/10

    Strong visuals, headspace, auditory effects, and body load

    Visual Intensity ×3
    10
    internal hallucinations autonomous entities colour enhancement drifting synaesthesia tracers +9 more
    Headspace Depth ×3
    10
    conceptual thinking thought connectivity feelings of interdependent opposites subconscious communication emotion enhancement perspective alterations +5 more
    Auditory Effects ×1
    10
    auditory distortion auditory enhancement auditory hallucinations auditory hallucination synaesthesia
    Body Load / Somatic Effects ×1
    10
    nausea temperature regulation suppression teeth grinding

    Tolerance

    Build-up develops rapidly after a single use
    Reset 7–14 days for baseline

    Tolerance Decay

    Full tolerance 1h Half tolerance 10d Baseline ~14d

    Cross-Tolerances

    Lysergamides
    LSD
    80%
    Tryptamines
    Psilocin
    85%
    DMT
    85%
    5-MeO-DMT
    85%
    Phenethylamines
    Mescaline
    65%
    2C-B
    65%
    2C-E
    65%

    Effects Erowid Bluelight

    Aggregated from 81 Erowid and 37 Bluelight experience reports

    Positive Effects 76

    Visual Distortions 67.8% 78%
    Music Enhancement 56.7% 88%
    Color Enhancement 50.0% 88%
    Closed-Eye Visuals 41.5% 90%
    Visual Trails 37.8% 89%
    Euphoria 36.4% 93%
    Empathy 33.1% 84%
    Introspection 27.1% 80%
    Tactile Enhancement 27.1% 83%
    Surface Breathing 27.0% 84%
    Joy 27.0% 88%
    Focus Enhancement 26.2% 80%
    Body High 22.9% 86%
    Open-Eye Visuals 22.9% 83%
    Contentment 21.6% 85%
    Awe 21.6% 79%
    Geometric Imagery 21.6% 86%
    Libido Enhancement 21.6% 84%
    Patterning 18.9% 86%
    Melting/flowing 16.2% 85%

    Adverse Effects 55

    Anxiety 45.7% 81%
    Body Load 40.5% 77%
    Auditory Effects 37.3% 82%
    Nausea 33.0% 79%
    Muscle Tension 32.2% 78%
    Confusion 25.4% 82%
    Sedation 22.0% 78%
    Dissociation 18.6% 82%
    Tremor 16.2% 81%
    Paranoia 16.2% 85%
    Thought Disorganization 16.2% 82%
    Jaw Clenching 14.4% 80%
    Motor Impairment 12.7% 77%
    Ego Dissolution 11.9% 85%
    Memory Suppression 11.9% 85%
    Headache 11.0% 80%
    Temporal Disorientation 10.8% 84%
    Depersonalization 10.8% 80%
    Fear 10.8% 85%
    Increased Heart Rate 9.9% 70%

    Combinations TripSit

    Cross-Check 4-HO-MiPT with another substance

    Trip Reports Effect Index

    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.

    Erowid 8 reports 6 neutral 2 cautionary visit
    Words Fail Me neutral exp #102975

    Introduction After many many years of scrolling through the vast library of experience reports here on Erowid, I thought that it was this experience with 4-ho-MIPT Fumarate that I had recently which was the most deserving of my experiences with psychedelics to type up a report for.

    Mobius · 4-HO-MIPT · 2 mg oral / 30 mg oral
    Roaming Free I Unearth and Heal neutral exp #103593

    INTRODUCTION: SET & SETTING This was my first psychedelic experience in a long while, I believe it has been almost a year since I've actually tripped, full-blown, alone. I have several experiences with 4-HO-MiPT already under my belt.

    Adaviri · 22 mg oral
    Spotless Sunshine of the Eternal Mind neutral exp #47137

    The time is 9:09pm. I'm sitting in my half-way house in nyc, at the computer. I have some 4-ho-mipt in a capsule. I'm gonna swallow it now (I hope this is a good idea, Father, please bless this activity) 10pm- swallowed the pill (finally after some heavy contemplation) I just burped.

    DEAD · 20 mg oral / 15 mg oral
    Todays Shipping Forecast neutral exp #108508

    I had ordered 100mg 4-HO-MiPT from an online vendor with a view to tripping on Friday 13th; itΒ’s just another date right? Of course! Anyway, on the Tuesday a package arrived and I opened it with eager anticipation: a fairly dense Β“epoxy-like gooΒ” (quote from MGS) which really could be used to attach the wings to a jet...

    Whitefox
    Rainbow Connection neutral exp #107870

    7:00pm (T-1:10) IΒ’m just waking up from a nap on a relaxing weekend evening at home. Must have dozed off there while listening to a Graham Hancock interview on a podcast, interesting research about ancient human culture, psychedelics and consciousness.

    pixelism · 26 mg oral / smoked
    The Wisdom of Talking Cats neutral exp #97230

    Who: J, male, aged 42, 73 inches (185 cm), 185 pounds (84 kg) What: 25 mg 4-HO-MIPT (Miprocin) as fumerate salt, a white crystalline powder When: 3:18 p.m. EDT 5 August 2012 (after a small, late lunch) Where: A hotel room somewhere near Cherry Hills, NJ How: (Route of administration) Fumerate powder wrapped in 1 ea 2-p...

    JonasArioch · 25 mg oral
    Hellishly Intense Camping cautionary exp #53384

    [Erowid Note: Handling weapons while intoxicated or tripping is dangerous and irresponsible because it endangers other people. Don't do it!] This took place 3 days ago. College had let out and I had planned a camping trip at a remote pond. My two close friends V and P were to go.

    Mr. H · 28 mg oral / repeated oral / 1 bowl smoked / 25 mg oral
    Mythical Patterns of Creation cautionary exp #114820

    This was my first time ever using a psychedelic drug. IΒ’ve smoked weed and had spacecake before, even a bit of quality Dutch ecstasy, but never something that would dissolve me into a cosmic soup of atoms. The reason why I chose to do this was rather strange - let me explain.

    BasedShaman · 30 mg oral
    Bluelight 3 threads 3 neutral visit
    4 Ho Malt 40mg 1st Time Radical Acceptance Of Nothing Special neutral

    4-HO-MALT fumarate - 40mg over time - orally - first time Prior experience: I've sampled around forty classical and RC psychedelics, as well as sundry other drugs. Background: I probably have some tolerance from an oral 25mg 5-MeO-MET experience 6 days prior.

    scraped 2026-03-14
    Miprocin Aura Of Light First Time neutral

    July 16, 2004 12mg of miprocin (4-Ho-MiPT, 4-hydroxy-N-methyl-N-isopropyltrypytamine hcl) Introduction: Winding Vines and I had planed a stay-at-home-and-make-love-all-night trip for some time. As the afternoon wound down, and daylight faded, we ruled out our original choice (2C-B) in favor of trying miprocin.

    scraped 2026-03-14
    Miprocin 20 Mg Beginner Cried Over A Friend That Died neutral

    Did this first time while girlfriend watched me. did it in a hotel. watched Tv, listened to music... previous experience with this was 11 mgs mixed with 5-mapb. other experience: have done 5 mapb four times previous, abused ecstacy fifteen years ago bout thirty nights I didnt even know if was going to do it or not.

    scraped 2026-03-14

    Bluelight Reference Guide Bluelight

    Tryptamines The Big & Dandy 4-HO-MiPT Thread - 2nd MiPteration

    Welcome to the Big & Dandy 4-HO-MiPT (Miprocin) Thread (Part 2) >> to the previous thread << miprocin, 4-hydroxy-N-methyl-N-isopropyltryptamine wikipedia said: 4-HO-MiPT (miprocin, 4-hydroxy-N-methyl-N-isopropyltryptamine, hats) is a synthetic substituted aromatic compound and a lesser-known psychedelic tryptamine.

    Read full thread on Bluelight β†’

    PiHKAL / TiHKAL Shulgin

    TiHKAL #22: 4-HO-MIPT

    “I am stuck just part way on. There is some retinal activity with my eyes closed. Maybe I am a little light-headed, a little starry. Nothing much.”

    β€” Alexander Shulgin, TiHKAL (with 9 mg, orally)

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