Research chemicalPsychedelicTryptamineSerotonergic5-Methoxytryptamine
5-MeO-EPT (5-Methoxy-N-ethyl-N-propyltryptamine)
Also known as 5-Methoxy-EPT · 5-Methoxy-N-ethyl-N-propyltryptamine
5-MeO-EPT is a 5-methoxy tryptamine with N-ethyl and N-propyl groups, a very obscure psychedelic research chemical related to 5-MeO-DMT. No formal human data; all information is anecdotal or inferred.
01 Overview
5-MeO-EPT belongs to the 5-methoxytryptamine family and is among the least-documented members. It appears only sporadically on the research-chemical market.
There is no published pharmacology, pharmacokinetics or toxicology. Dose and effect information here is anecdotal and structurally inferred, with very high uncertainty.
02 Mechanism
Presumed serotonin 5-HT2A and 5-HT1A activity typical of 5-methoxytryptamines.
03 Dosing
| Tier | Dose | Route | Notes |
|---|---|---|---|
| Common (reported) | 10–30 mg | Oral | Highly uncertain; anecdotal only. |
04 Effects
| Effect | Magnitude | Evidence | |
|---|---|---|---|
| Psychedelic effectsPresumed 5-methoxytryptamine-like perceptual alteration; unverified. | unknown | Unconfirmed | |
| Altered mood and body sensationReported anecdotally; not characterised. | unknown | Unconfirmed |
05 Side effects
| Effect | Severity | Frequency | Evidence | Countermeasures |
|---|---|---|---|---|
| Unknown toxicityNo safety data; harm cannot be excluded. | Moderate | Unknown | Unconfirmed | |
| Cardiovascular stimulationPresumed raised heart rate/blood pressure like other 5-MeO tryptamines. | Moderate | Unknown | Unconfirmed |
06 Legal status
United Kingdom
Class A (tryptamine generic clause)
as of Jan 2026
United States
Possibly Analogue Act
as of Jan 2026
07 References
Shulgin A, Shulgin A. TIHKAL: The Continuation (5-methoxytryptamine series)Transform Press, 1997
08 Discussion0 comments
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This page is reference information, not medical advice. Doses and protocols are documented as they appear in the clinical literature and in practice — describing them is not a recommendation to use them. Countermeasures listed here are not a substitute for a physician. Legal status varies by jurisdiction and changes.