Certainly heroin. Under normal circumstances it is generally the best bang for the buck and in fact good H is probably cleaner for IV users then...
I've heard talk of opioid type RC's that have been coming out and I was very interested. Tripping is fun and all but I'm kind of done with that...
Personally I enjoy my nod a lot, probably too much as I'm sure a lot of you on here do and although it's a great feeling it obviously isn't...
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