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

    EPT

    Aliases: Ethylpropyltryptamine, N,n-ethylpropyltryptamine

    Psychedelic Research-chemical

    Summary TheDrug.Wiki TripSit PsychonautWiki

    EPT is a novel research chemical with very limited documentation and extremely sparse user reports. The toxicity profile is unknown and no scientific studies exist on its safety in humans. Effects are described as milder and less immersive than structurally similar tryptamines like DMT and DPT.

    Dose Information TheDrug.Wiki TripSit PsychonautWiki

    ROA Light Common Strong Heavy
    Insufflated 20-40mg 40-80mg 80-110mg 110mg+
    Oral 50-75mg 75-100mg 100mg 100mg+
    Vaporized 15-30mg - - -
    Light Common Strong Heavy

    Onset, Duration & After-effects TheDrug.Wiki TripSit PsychonautWiki

    ROA Onset Comeup Peak Offset After Effects
    Insufflated 4-19 min 4-15 min 19-40 min 1-2 hrs 1-3 hrs
    Oral 30-90 min 30-60 min 1-2 hrs 1-2 hrs 2-4 hrs

    Effect Profile

    2 reports

    Scores (1–10) curated from multiple sources:

    • Effect keyword matching from PsychonautWiki catalog
    • Weighted by importance: core (×3), major (×2), minor (×1)

    Full methodology

    Psychedelic 5.9
    Strong 6/10

    Strong visuals and auditory effects with mild body load, low headspace

    Visual Intensity ×3
    8
    color enhancement drifting tracers pattern recognition enhancement color shifting
    Headspace Depth ×3
    3
    personal bias suppression time distortion confusion
    Auditory Effects ×1
    8
    auditory distortion auditory hallucination
    ⚠ Body Load / Somatic Effects ×1
    4
    nausea muscle tension
    Based on reports from:
    Bluelight Big & Dandy Thread Erowid Experience Reports PsychonautWiki EPT
    View methodology →

    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
    30%
    Tryptamines
    Psilocybin
    30%
    Psilocin
    30%
    DMT
    30%
    5-MeO-DMT
    30%
    Phenethylamines
    Mescaline
    30%
    2C-B
    30%
    2C-E
    30%

    Effects TheDrug.Wiki

    Positive
    • Stimulation
    • Mental/physical stimulation
    Negative
    • Nausea
    • Pupil dilation
    • Restlessness
    • Sweating/chills
    • Muscle tension
    Neutral
    • Dilated pupils
    • Spontaneous bodily sensations
    • Decreased appetite
    Positive
    • Analysis enhancement
    • Euphoria
    • Novelty enhancement
    • Unity and interconnectedness
    Negative
    • Memory suppression
    • Motor control loss
    • Confusion
    Neutral
    • Time distortion
    • Thought acceleration
    • Personal bias suppression
    Positive
    • Color enhancement
    • Pattern recognition enhancement
    • Increased libido
    • Bodily control enhancement
    • Tracers
    • Color shifting
    • Auditory acuity enhancement
    Neutral
    • Drifting
    • Auditory hallucination
    • Auditory distortion

    Combinations TripSit

    EPT's nerd page Pharmacology, chemical data, effect profiles, and more
    →

    Helpful Links

    📘 Experience Reports 📖 TheDrug.Wiki 📖 Bluelight 📖 PsychonautWiki