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    Disclaimer
    🧪 This is a research chemical with limited data on its long-term health effects, toxicity profile, and safe dosage ranges.
    ⚠ Synthetic cannabinoids are far more potent and unpredictable than natural cannabis. They lack a ceiling effect and have been linked to seizures, psychosis, and death.

    THJ-018

    Aliases: Sgt-17

    Research-chemical Cannabinoid

    Summary PsychonautWiki

    THJ-018 (1-​naphthalenyl(1-​pentyl-​1H-​indazol-​3-​yl)-​methanone) is a synthetic cannabinoid and analog of JWH-018. It has been marketed by many research chemical vendors as a legal alternative to the popular JWH-018, which had been banned in 2009. Its appearance is a brown, sticky and chunky powder.

    Dose Information TheDrug.Wiki PsychonautWiki

    ROA Light Common Strong Heavy
    Smoked 1-2mg 2-3mg 3-5mg 5mg+
    Light Common Strong Heavy

    Onset, Duration & After-effects TheDrug.Wiki PsychonautWiki

    ROA Onset Peak Offset After Effects Total
    Smoked 5-10 min 60-90 min 5-10 min 60-90 min 1.2-1.8 hrs

    Tolerance

    Build-up develops over weeks of regular use via CB1 receptor downregulation
    Reset 2–4 weeks for most users; heavy users may need longer

    Tolerance Decay

    Full tolerance 3d Half tolerance 21d Baseline ~28d

    Effects TheDrug.Wiki

    Positive
    • Pain Relief
    • Pain relief
    Negative
    • Numbness
    • Loss of balance
    • Nausea
    • Increased heart rate
    • Dry mouth
    Neutral
    • Sedation
    • Vasodilation
    • Spontaneous bodily sensations
    Positive
    • Emotion Enhancement
    • Thought Connectivity
    • Conceptual Thinking
    • Mindfulness
    • Immersion Enhancement
    Negative
    • Motor Control Loss
    • Brain Zaps
    • Anxiety
    • Paranoia
    • Thought Deceleration
    • Analysis Suppression
    • Dream Suppression
    • Psychosis
    Positive
    • Appetite Enhancement
    • Perception of Bodily Lightness
    • Color Enhancement
    • Increased Music Appreciation
    • Auditory Enhancement
    • Appetite enhancement
    Negative
    • Dehydration
    • Visual Acuity Suppression
    Neutral
    • Spontaneous Physical Sensations
    • Changes in Gravity

    Combinations TripSit

    THJ-018's nerd page Pharmacology, chemical data, effect profiles, and more
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    Helpful Links

    📘 Experience Reports 📖 TheDrug.Wiki 📖 PsychonautWiki