Mixed berry energy drink with other natural flavors. Caffeine. Choline. Taurine. 130 calories per can. Be smart about managing your energy. The AMP Energy line up: AMP Energy Focus: Combines caffeine, theanine and choline (an essential nutrient in the brain); AMP Energy Boost: Elevate your energy; AMP Energy Active: Energize and hydrate. Ampenergy.com. Caffeine Content: 80 mg/8 fl oz; 159 mg/16 fl oz. Product questions? 1-800-433-2652. Ingredients per Can: Taurine 295 mg, Guarana extract 264 mg, L-theanine 117 mg. Contains 10% of the daily value for choline per 8 fl oz serving. The daily value for choline is 550 mg. Please recycle.