Mango flavored energy drink with other natural flavors. Killer taipan. 230 calories per can. When you want the energy to strike when the time is right and leave your mark, you need the Venom of Killer Taipan. Venom packs a powerful payload of strong, fierce energy - taurine, guarana, L-carnitine, ginseng and B vitamins. Take on the world, and own it! Please recycle. 160 mg caffeine per 16 fl oz. Consumer comments? 1-866-228-3666.