Pocari Sweat is a light, tasty, refreshing drink that replenishes body fluids lost through perspiration. Whether adding fun to active summer afternoons or boosting hydration during sports, Pocari gives a delicious experience you will love. CAREFULLY FORMULATED - Enhanced with essential electrolytes to match your body's body fluid composition to hydrate you better. Caffeine-free, No Artificial Sweeteners or Coloring. FAST AND RELIABLE - Pocari Sweat is better hydrating than water alone, restoring you faster and keeping you hydrated longer.. First launched in Japan in 1980 and now enjoyed in over 20 countries and regions. Official Sponsor of Tokyo Marathon.