It's not vivrin, it's simply speed that could have been mis0made any number of ways - but do not write it off, oh no.. for the BEST meth UI ever had was some dirty brown peanut butter shit - blew me away! Sure, I didn't inject it, but you didn't need to... there was the green crank (from using copper fittings on their labware) that was a sickly green - yet still jacked you NICE!
So yeah, if you're going to IV it or even smoke it, then you might wanna be carefull, but just because it's dark blue, smells like urine, and burns a hole through the plastic bag its in... well, thats no reason not to throw down a gagger and go weld some shit together!
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# unzip ; strip ; touch ; finger ; mount ; fsck ; more ; yes ; umount ; sleep