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.
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
- toxicity data (PsychonautWiki)
- classified Research-chemical
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
- toxicity data (PsychonautWiki)
- classified Research-chemical
Aliases: 4-ho, Ho-mipt, Miprocin, 4homipt, homipt
Summary
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 is a chemical I have oft revisited. It carries a gripping bodyload on the comeup, a turbulent ascent, but it quickly levels off in a delightful cognitive thunderstorm.”
“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
| ROA | Light | Common | Strong | Heavy |
|---|---|---|---|---|
| Oral | 10-15mg | 15-25mg | 25-35mg | 35mg+ |
Light
Common
Strong
Heavy
Onset, Duration & After-effects
| ROA | Onset | Comeup | Peak | Offset | Total |
|---|---|---|---|---|---|
| Oral | 12-48 min | 18-60 min | 1.5-2.5 hrs | 1-2 hrs | 6-8 hrs |
Effect Profile
118 reportsScores (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)
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
Import into PsychonautWiki Journal
The PsychonautWiki Journal app includes 4-HO-MiPT, but its built-in data can be thinner than ours. Importing this file adds a separate "4-HO-MiPT (Substance Search)" custom substance with our dose ranges, durations and tolerance, so you can log against whichever you prefer.
⬇ Download import file
Import this file as custom substances
and you get "4-HO-MiPT (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.
Ranges are harm-reduction guidance, not a prescription.
Tolerance
Build-up
develops rapidly after a single use
Reset
7โ14 days for baseline
Tolerance Decay
Full tolerance
1h
Half tolerance
10d
Baseline
~14d
Acute tolerance: develops within a single session โ the reset numbers above apply after sustained heavy use, not after one binge. Within-session tachyphylaxis usually resets largely overnight.
Effects
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
Cross-Check 4-HO-MiPT with another substanceTrip Reports
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 8 reports 5 positive 2 neutral 1 cautionary visit
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.
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.
I had ordered 100mg 4-HO-MiPT from an online vendor with a view to tripping on Friday 13th; itยs just another date right? Of course! Anyway, on the Tuesday a package arrived and I opened it with eager anticipation: a fairly dense ยepoxy-like gooย (quote from MGS) which really could be used to attach the wings to a jet...
7:00pm (T-1:10) Iยm 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.
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...
[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.
This was my first time ever using a psychedelic drug. Iยve 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.
Bluelight 3 threads 3 neutral visit
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.
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.
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.
Bluelight Reference Guide
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 โPiHKAL / TiHKAL
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.”
4-HO-MiPT's nerd page
Pharmacology, chemical data, effect profiles, and more
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