Nuun All Day Hydration Grapefruit Orange drink tablets are a perfect way to stay hydrated throughout the day. Hydration plays an elemental role in staying healthy, energized and focused. Did you know dehydration is the #1 trigger of daytime fatigue? Sugary and caffeinated drinks take you on a roller coaster ride during the day, but with zero sugar, under 8 calories per tab, and a blend of A, B, C, D, E vitamins, Nuun All Day keeps you going. Rethink your drink and make your water count by adding Nuun All Day Hydration to your daily routine. Kid-friendly, it"s also the perfect substitute for soda and juice. Each tube contains 15 tablets. Each tablet makes 16 ounces of Nuun All Day Hydration.