Ener-C - ENER-C Sport Electrolyte Drink Mix Berry Box - 12 Pack(s) - NPN: 80076055 -- Ener-C Sport Electrolyte Drink Mix is for pre- and post-workout to support muscle function and re-hydration. It works to replenish essential electrolytes and minerals that are lost through sweat. Drink throughout the day to help fuel your body, or before, during and after exercise so you can perform your best.