• Empricorn@feddit.nl
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        1 month ago

        Based on my extensive knowledge of watching Breaking Bad, I’d say the answer is purity.

      • AugustWest@lemmy.world
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        1 month ago

        “Biker meth” is most if not all meth now. It uses phenyl-2-propanone as the starting point and produces a racemic mixture of dextromethamphetamine and levomethamphetamine.

        Traditional clandestine meth production using ephedrine produces pure dextromethamphetamine.

        d-methamphetamine is the euphoric feel good stuff. l-methamphetamine is the racing heart, more neurotoxic, nearly immediate psychosis stuff.

        TL;DR - “Biker meth” is most meth now. It’s much worse for you and less enjoyable.