Natural energy. Zero calorie. Energy to accomplish the physical goals you set your mind to. Vuka Workout Zo-Cal is a lightly carbonated berry lemonade flavored drink formulated to keep you performing at peak levels. Zero calories. Yep, you got it. Zero. Ziltch. Zip. Nada. No calories. Just the vitamins and nutrients your body needs and the energy to help you reach your full potential. Restore what's been lost and prepare for what's ahead in your Workout with: Natural Caffeine: 80 mg per serving; Sodium: 110 mg per serving; Potassium: 60 mg per serving; Magnesium: 4 mg per serving; Calcium: 6 mg per serving. Vuka Zo-Cal energy drinks are specifically formulated to give you the right kind of energy for the activities that fill your life. Visit Vuka.com for more flavors and functions. No preservatives. Natural ingredients. Sweetened with natural stevia.