Sure. It's been awhile, since Epi-Smash 2.0 cycle but I also had Hexadrone from German Pharma called "Epistan" = Hexadrone (EDIT they still sell it! Cool).
Think back to then, I noticed HexD acts like a "dry test base" if that makes sense? 6-chloro test. It's not like a caffeine energy, more like test base energy.
The difference being with Epi-Smash (Epistane + Hexadrone) I get stupid back pump-cramps on Epistane. Taurine doesn't help much wierdly. When I swtichd off to German Pharma ran their 10mg DMZ (called M-drol few years back) and add Hexadrone, it always boosted my hardness and lift energy... Of course I didn't know how to use a proper test base back then - so my energy might have been coming from the 6-chloro test base basically..
Just my bro science memory there...