With other natural flavors. Energy + mango. Own it for 99 cents. Consumer comments? 1-866-228-3666. 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 string, 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 serving. Energy Blend per 16 fl oz: 4943 mg. Caffeine, taurine, guarana extract, L-carnitine, ginseng extract, inositol, maltodextrin. 230 calories per can.