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4-HO-EPT Fumarate
Responsible Research with 4-HO-EPT
Always practice responsible research. You should read and educate yourself before undertaking research with any chemical. ThePsychonaut Wiki has some very helpful resources and information on 4-HO-EPT. Never conduct research with a chemical without learning about it first.
WARNING This product is not for human or veterinary use.
What is 4-HO-EPT?
4-Hydroxy-N-ethyl-N-propyltryptamine (also known as 4-HO-EPT or Eprocin) is a novel synthetic psychedelic substance of the tryptamine chemical class that produces psychedelic effects when administered. It is structurally related to psilocin (4-HO-DMT), the active component in psilocybin mushrooms, and produces similar effects.
Very little data exists about the pharmacological properties, metabolism, and toxicity of 4-HO-EPT. It has no history of human use before being sold online as a research chemical in 2016.[citation needed] It remains obscure and is either used recreationally or for research purposes.
Chemical Properties
4-HO-EPT, or 4-hydroxy-N,N-diethyltryptamine, is a synthetic indole molecule of the tryptamine class. Tryptamines share a core structure comprised of a bicyclic indole heterocycle attached at R3 to an amino group via an ethyl side chain. 4-HO-EPT is substituted at R4 of its indole heterocycle with a hydroxyl functional group OH−. It also contains a propyl and ethyl chain bound to the terminal amine RN of its tryptamine backbone (EPT).
Pharmacological effects
Like with most psychedelic tryptamines, 4-HO-EPT is thought to act principally as a 5-HT2A partial agonist. The psychedelic effects are believed to come from 4-HO-EPT’s binding efficacy at the 5-HT2A receptors. However, the role of these interactions and how they result in the psychedelic experience continues to remain elusive.
Some of the most commonly reported effects are:
- Spontaneous physical sensations
- Colour enhancement
- Pattern recognition enhancement
- Visual acuity enhancement
- Distortions
- Drifting (melting, breathing, morphing and flowing)
- Colour shifting
- Depth perception distortions
- Perspective distortions
- Symmetrical texture repetition
- Tracers
- After images
- Brightness alteration
- Diffraction
- Geometry
- Hallucinatory states
- Transformations
- Internal hallucination
- Conceptual thinking
- Cognitive euphoria
- Delusion
- Emotion enhancement
- Immersion enhancement
- Increased music appreciation
- Memory suppression
- Ego death
- Novelty enhancement
- Personal bias suppression
- Thought loops
- Time distortion
- Enhancements
- Distortions
- Hallucinations
- Feelings of Unity and interconnectedness
Potential Side Effects
- Increased heart rate
- Nausea
- Pupil dilation
Legality
4-HO-EPT is classified as illegal in:
- Germany
- Switzerland
- United Kingdom
This list is not exhaustive, so do your own research into the legal status in your country before ordering!



