see i see it like this when you buy from a source your taking 2 big risks first your riskign your ass because if you get caught theres a big chance you will get more than a slap on the wrist, second is the roids you get are definetley contaminated if i can make test myself i know id be utmost clean (e.g have gloves,do it on a clean table cloth etc)i dont have to worry about if there bactera on top and stuff