Nuun Active Hydration drink tabs are portable, taste great, and deliver a fast-absorbing electrolyte blend without the sugar or waste of bottled sport drinks. The electrolytes that your body needs: Each tube of Nuun contains 10 tablets. Each tablet makes 16 oz. of Nuun, and delivers 360 mg Sodium / 100 mg Potassium / 25 mg Magnesium / 13 mg Calcium.