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    Disclaimer
    ☠ This substance has been associated with serious adverse events including fatalities. Use extreme caution.
    🧪 This is a research chemical with limited data on its long-term health effects, toxicity profile, and safe dosage ranges.
    ⚠ Benzodiazepines can cause physical dependence with regular use. Withdrawal can be life-threatening. Never combine with opioids or alcohol.
    ⚠ 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.

    AMB-FUBINACA

    Aliases: Amb

    Depressant Research-chemical Benzodiazepine Cannabinoid

    Summary TheDrug.Wiki

    AMB-FUBINACA is among the most potent synthetic cannabinoids known (CB1 K i ≈0.9 nM). A few milligrams can dose hundreds of people; weighing with a scale no better than 1 mg is unsafe—volumetric or pre-dilution onto inert herb is essential. Responsible for >50 fatalities in New Zealand (2017–2019) and the 2016 “zombie” outbreak in Brooklyn, USA.

    Dose Information TheDrug.Wiki

    Light Common Strong Heavy

    Onset, Duration & After-effects TheDrug.Wiki

    ROA Onset Peak Offset After Effects
    Smoked 1 min 5-25 min 30-90 min 2-6 hrs
    Oral 15-45 min 30-90 min 30-90 min 2-6 hrs

    Effect Profile

    Scores (1–10) curated from multiple sources:

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

    Full methodology

    Benzodiazepine 3.4
    Light+ 3/10

    Strong euphoria with low sedation

    Anxiolysis ×3
    0
    Sedation / Relaxation ×2
    3
    sedation
    ⚠ Motor / Cognitive Impairment ×1
    0
    Euphoria / Mood Lift ×1
    8
    euphoria physical euphoria
    Based on reports from:
    Erowid Experience Reports PsychonautWiki AMB-FUBINACA
    View methodology →

    Tolerance

    Build-up develops over 1–4 weeks of daily use; hypnotic tolerance faster than anxiolytic tolerance
    Reset weeks to months depending on half-life and duration of use; taper recommended

    Tolerance Decay

    Full tolerance 3d Half tolerance 37d Baseline ~60d

    Effects TheDrug.Wiki

    Positive
    • Stimulation
    • Physical euphoria
    Negative
    • Tac tachycardia / palpitations
    • Dry mouth
    • Nausea / projectile vomiting
    • Seizures at high/unknown doses
    • Nausea
    • Increased heart rate
    Neutral
    • Muscle rigidity or catatonia
    • Sedation
    Positive
    • Euphoria
    Negative
    • Profound short-term memory suppression
    • Severe anxiety / panic
    • Confusion and dissociation
    • Hallucinations, paranoia
    • Anxiety
    Neutral
    • Intense, rapid cannabis-like intoxication
    • Euphoria or dysphoria switching rapidly
    • Time dilation
    • Time distortion
    Positive
    • Tracers
    • Color enhancement
    • Tactile enhancement
    • Increased music appreciation
    • Enhanced tactile sensation
    • Pattern recognition enhancement
    Neutral
    • Closed-eye visuals at higher doses
    • Dulled perception
    • Drifting
    • Auditory distortion

    Combinations TripSit

    AMB-FUBINACA's nerd page Pharmacology, chemical data, effect profiles, and more
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    Helpful Links

    📘 Experience Reports 📖 TheDrug.Wiki 📖 PsychonautWiki