50% juice/100% energy. Caffeine. Guarana. Ginseng. B-Vitamins. Taurine. Energy supplement. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease. Bigger. Better. Faster. Stronger. Guava Juiced is a mix of amazing tasting guava and other fruit juices packed with the potent energy blend of Original Rockstar. Guava Juiced is scientifically formulated to provide an incredible energy boost for those who lead active and exhausting lifestyles - from athletes to rock stars. American made.