Sup fellas i took a sample of hot rox today didnt do any cardio had to hit the delts but i gotta say i seemed to have a good pump and a good swett going on..i felt good a focused has any taken HOTROX for a long period of time and had good results ??? or and other fat burnner recomend....O yeah and hot rox didnt make me crash it was more like a smoth landing then your typicall upper