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4-HO-MPT

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Class
Dose
Duration

4 sources

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🔗 MergedComparePsychonautWikiTripSitPharmacologyTiHKAL

Collated from PsychonautWiki, TripSit, Pharmacology, TiHKAL. Where sources differ (e.g. dosing), Compare shows them side by side.

Sections
PsychedelicSubstituted tryptaminesTentativeResearch-chemicalPW

Also known as 4-HO-MPT, Meprocin, 4-INDOLOL, 3-[2-(METHYLPROPYLAMINO)ETHYL], 4-HYDROXY-N-METHYL-N-PROPYLTRYPTAMINE, 3-[2-(METHYLPROPYLAMINO)ETHYL]-4-INDOLOLPW

Psychedelic drug of the tryptamine class. Higher homologue of Psilocin, and is the 4-hydroxy analogue of N-Methyl-N-Propyltryptamine.TS

Addiction potentialPW
not habit-forming
ToxicityPW
toxic dose is unknown
TolerancePW
full tolerance almost immediately after ingestion; half after 3 days; baseline after 7 days
Cross-tolerancePW
psychedelic

Oral

Route dataPsychonautWiki

Dose
WeakerStronger
ThresholdLightCommonStrongHeavy
5 mg10–20 mg20–30 mg30–50 mg50 mg+
062.5 mg
LightCommonStrongHeavy
Duration
ShorterLonger
Onset20–60 minutes
Come-up1–2 hours
Peak2–3 hours
Offset1–2 hours
Total5–7 hours
After-effects2–12 hours
OnsetCome-upPeakOffset

Vapourized

Route dataTripSit

Dose
WeakerStronger
ThresholdLightCommonStrongHeavy
—3–5 mg5–10 mg10–15 mg—+
015 mg
LightCommonStrongHeavy
Duration
ShorterLonger
After-effects1–6 hours

Dangerous interactionsPW

Lithium

Unsafe interactionsPW

Tramadol

Caution / uncertainPW

CannabisStimulants
Plan when to take 4-HO-MPT — see where onset, peak and comedown land on the clock

Fact-sheets from PsychonautWiki. Harm-reduction reference only — not medical advice.