while Rockstar contains 160 mg, albeit in a larger 17-ounce can. But what energy drink has the absolute most caffeine? Well, for a while, it was something called Redline Xtreme, but that's since ...

and Rockstar Xdurance. Each of these packs a 300-milligram caffeine wallop per can. To put that in perspective, Red Bull, which is the best-selling energy drink in the U.S., contains a ...

Rockstar Energy Drink teamed up with an influential celebrity barber to cut through to its Hispanic target and boost consumer engagement in the US. As a challenger brand, Rockstar Energy Drink holds ...

Along with choosing leading brands like Red Bull, Monster, Rockstar ... drink them, NIH said. NielsenIQ (NIQ) data for the 52 weeks ended Feb. 22, 2025, show overall US sales of energy beverages ...