0 sugar per can. Zero sugar. Monster energy ultra gold is low in calories. Monster Energy Blend: Taurine, L-carnitine, caffeine, inositol. Caffeine from All Sources: 150 mg per can. L-carnitine. Taurine. According to ancient Greek legend the nectar of ambrosia gave immortality to all who drank it. Unfortunately this fruit of the gods is just a myth, but we were inspired to create Ultra Gold as close as we can get for mere mortals. With zero sugar, easy-drinking Ultra Gold has the heavenly fresh flavor of biting into perfectly ripened golden pineapple. While we can't promise immortality our Monsters Energy blend will help you stay focused and alert and ready for whatever life throws at you. Go for the Gold! Unleash the Ultra Beast! monsterenergy.com.