For me it's a double dose of the pill form of Insane MG by BMF Hardcore ( Edge Nutrition Brand ) I have tried NO shotgun, and it does not do it for me, Amp02 while gave good pumps some day's never gave me any kind of energy boost, NO Xplode basically requires 3 scoops for me lol making it really expensive! Hemadrolix Sucked HARD ! LG's Cold Fusion EX was pretty decent but needed 2 scoops.