Home
    Disclaimer
    โ˜  This is a fentanyl analogue active in microgram doses. Accidental overdose can be rapidly fatal. Naloxone should always be on hand.
    ๐Ÿงช This is a research chemical with limited data on its long-term health effects, toxicity profile, and safe dosage ranges.

    Butyrfentanyl

    Aliases: B-f, bf

    Categories

    Butyrfentanyl structure

    Summary TripSit

    Potent short-acting opioid and fentanyl analogue. Often dispensed in a nasal spray. This is an highly potent drug - exercise extreme caution. May cause respiratory depression and death in overdose.

    Dose Information TripSit

    ROA Light Common Strong Heavy
    Oral 400-800ug 800-1500ug 1.5-3mg 3mg+
    Light Common Strong Heavy

    Onset, Duration & After-effects TripSit

    ROA Onset Peak After Effects
    Oral 15-30 min 3.0-4.0 hrs 1.0-4.0 hrs

    Tolerance

    Build-up develops within days of regular use; analgesic tolerance faster than respiratory depression tolerance
    Reset 7โ€“14 days for partial reset; full reset may take weeks โ€” tolerance loss greatly increases overdose risk

    Effects

    Positive
    • Stimulation
    Negative
    • Motor impairment
    • Increased heart rate
    • Pupil dilation
    • Insomnia
    • Nausea
    • Vasoconstriction
    • Restlessness
    Neutral
    • Sedation
    • Decreased appetite
    Positive
    • Reduced anxiety
    • Euphoria
    • Cognitive euphoria
    • Wakefulness
    • Empathy
    Negative
    • Anxiety
    • Confusion
    • Compulsive redosing
    Neutral
    • Time distortion
    • Talkativeness
    Positive
    • Increased music appreciation
    • Color enhancement
    • Brightened colour
    • Tactile enhancement
    Negative
    • Light sensitivity
    • Disinhibition
    • Appetite suppression
    • Dehydration
    Neutral
    • Dulled perception
    • Drifting

    Combinations TripSit

    Helpful Links