BD is quality gear, they take alot of measure to ensure the quality and security of theyre items. They just put a conformation page for the batch numbers on the bottle, that way you can check and see if your gear is truly legitimate. PRETTY COOL!!! But the BD EQ has had nothing but good reviews at any place i have read.....and i mean any place!!! I haven't tried it, but i know a guy who knows a girl who has a dog that has AIDS and the dog will be starting it on monday.....i wish that little fucker luck!