give it a shot... personally, ill never buy it again (maybe the even newer version rosie mentioned) because of how disappointed i was in v.2
i thought the original was the best preworkout i had ever taken, hands down. i felt like i could (and felt the desire to) workout for hours. im not exaggerating when i say there were times were i had to make my self leave the gym so not to overtrain. i put my friends onto it too, once v.2 came out i (we) was actually mad at how much of a difference i saw (or lack thereof). v.2 wasnt really the type of pwo that made me feel stimmed out, which i like, but just gave me SO much focus and drive to workout
i wouldnt think suma root would have made THAT big of a difference, but i guess so, its the only thing i can think of.