It has a great stimulant effect and closely mimicks adrenaline. It also acts as an appetite suppressant and makes me feel amazing.
I've never taken it repeatedly for the purpose of cutting (just preworkout or for a boost at work), but I'm sure it would work great stacked with some caffeine.
1, 3-dimethylamylamine aka Geranamine.
http://en.wikipedia.org/wiki/Methylhexanamine