A two in one powerhouse that combines Nuun's effective electrolyte formula with 80mg plant based caffeine in every serving Each tablet contains five essential electrolytes, with levels optimized for workouts: 300mg of sodium, 150mg of potassium, 40mg of chloride, 25mg of magnesium and 13mg of calcium Low sugar only 1g, not sticky Great for use in hydration packs and water bottles Comes in a water resistant lightweight tube One concentrated tab makes 16oz