ROCKSTAR SPRK ENRGY
B-vitamins. Taurine. Natural caffeine. With other natural flavors. Zero sugar. Zero calories. Natural caffeine. Contains no juice. Light, refreshing and fully loaded! Rockstar Sparkling is the newest way for ultimate refreshment and energy, plus made with natural caffeine from green coffee beans. rockstarenergy.com. Total Caffeine from All Sources: 160 mg per can. Made in the USA.