Originally Posted by Motif
Assault doesn't make your face itch (Beta-Alanine) and i don't get any jitters. I rarely ever shit myself prior to the gym, Jack3d tore my guts with authority every time without fail, kinda like the SuperDump did. To me, Assault has a more aggressive of an ingredient profile. They are both good in their own way though Jack3d has been in hot water for making people fail piss tests. USP is currently under investigation by DOD and had banned all their products from military posts.
FYI, the face itching and redness is from Niacin not Beta Alanine.