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    Psilocybin

    Aliases: 4-po-dmt, magic mushrooms, psilocybin mushrooms, shrooms, mushroom, psylocybin, mushrooms

    Psychedelic

    Summary

    Fungi containing psilocybin, a prototypical psychedelic with similar effects to LSD, but with a shorter duration; also considered as being more confusing, introspective and entheogenic. Usually refers to psilocybe mushrooms rather than Amanitas, which have different effects. Are considered physically safe if properly identified, which should always be done by an expert.

    Dose Information TripSit

    ROA Light Common Strong Heavy
    Oral BA ~50% 0.5-1.5g 1.5-3.5g 3.5g 3.5g+
    Light Common Strong Heavy

    Onset, Duration & After-effects TripSit

    ROA Onset Peak Offset After Effects Total
    Oral 60 min 4-6 hrs 2.5-3.5 hrs 1-24 hrs 7.5-10.5 hrs

    Effect Profile

    36 reports

    Scores (1–10) curated from multiple sources:

    • Effect keyword matching from PsychonautWiki catalog
    • Validated against 36 Erowid trip reports
    • Weighted by importance: core (×3), major (×2), minor (×1)

    Full methodology

    Psychedelic 8.6
    Intense+ 9/10

    Strong visuals, auditory effects, headspace, and body load

    Visual Intensity ×3
    10
    color enhancement drifting tracers pattern recognition enhancement visual distortions
    Headspace Depth ×3
    9
    introspection time distortion confusion
    Auditory Effects ×1
    10
    auditory distortion
    ⚠ Body Load / Somatic Effects ×1
    8
    nausea increased heart rate
    Based on reports from:
    Effect Index An Exploration into the Depths of Psilocybin Effect Index First Trip in Over 6 Months Effect Index I Found God Inside Myself Bluelight Big & Dandy Thread Erowid Experience Reports
    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
    80%
    Tryptamines
    Psilocin
    85%
    DMT
    85%
    5-MeO-DMT
    85%
    Phenethylamines
    Mescaline
    65%
    2C-B
    65%
    2C-E
    65%
    2C-I
    65%

    Effects Erowid

    Aggregated from 36 Erowid experience reports

    Positive Effects 9

    Empathy 61.1% 70%
    Color Enhancement 61.1% 70%
    Music Enhancement 58.3% 70%
    Euphoria 52.8% 70%
    Stimulation 50.0% 70%
    Introspection 36.1% 70%
    Tactile Enhancement 25.0% 70%
    Focus Enhancement 22.2% 70%
    Creativity Enhancement 11.1% 70%

    Adverse Effects 9

    Anxiety 55.6% 70%
    Confusion 50.0% 70%
    Nausea 33.3% 70%
    Memory Suppression 13.9% 70%
    Pupil Dilation 11.1% 70%
    Thought Loops 8.3% 70%
    Sweating 8.3% 70%
    Psychosis 8.3% 70%
    Motor Impairment 8.3% 70%

    Combinations TripSit

    Trip Reports Effect Index

    An Exploration into the Depths of Psilocybin LeftoverNinja First Trip in Over 6 Months Josie I Found God Inside Myself Oscarette
    Psilocybin's nerd page Pharmacology, chemical data, effect profiles, and more
    →

    Helpful Links

    📘 Experience Reports 📖 TripSit 📖 Bluelight 📖 PsychonautWiki