Meyer lemon flavor with other natural flavors. 35 calories per can. Caffeine from green tea extract (Caffeine level 75mg = 6 oz cup of coffee). Carbonated spring water. Electrolytes. Sweetened with agave. Energy inspired by nature. polandspring.com/energy. Questions? comments? Call 1-800-477-7464, Polandspring.com/energy. Discover what makes us different at polandspring.com/energy. Please recycle.