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    1B-LSD

    Aliases: 1b

    Categories

    tentative research-chemical psychedelic

    1B-LSD structure

    Summary

    1B-LSD (1-butanoyl-lysergic acid diethylamide) is an LSD analogue which appears to be about as potent as 1P-LSD (slightly more potent than LSD) and has a slightly shorter duration than that of LSD, again thought to be about the same as 1P-LSD. Released in late 2018, and marketed agressively as a replacement for 1P-LSD. 1B-LSD does not yet have a clearly established safety profile,

    ⚠️ At the time of this chemical's release, the manufacturers claimed 1B-LSD was expected to be slightly less potent than 1P-LSD, supposedly owing to the increased mass of the butanoyl group over the propionyl group, however anecdotes seem to indicate approximate equipotency to 1P-LSD.

    Dose Information

    Onset, Duration & After-effects

    • Onset: 45-90 minutes
    • Duration: 8-12 hours
    • After-effects: 6-24 hours