Nuun Rest is a Nutrient-Rich, Relaxation & Recovery drink tablet (10 per tube). Nuun Rest is enhanced with magnesium, tart cherry extract and potassium. Mix with 4-6 oz. of hot or cold water and enjoy. Nuun Rest was created as an aid to promote restfulness and recovery. Nuun Rest is an effervescent tablet designed to help promote calmness of the mind and body. Take one tablet before bed to help prepare for a more restful night of sleep. Nuun Rest Drink Tablets can be used for all types of relaxation. Whether it’s for: bedtime routine, rest days from workouts or general stress reduction. The crisp, refreshing Blueberry Tangerine & Orange Citrus drink flavors make it easy to create the habit of regular immune support. Keep a tube from this 4-pack in your car, purse, carry-on luggage or anywhere you'll want a healthy, restorative drink. Magnesium helps restore the body to a restful state. Tart cherry helps support healthy inflammation response. Potassium supports muscle relaxation and helps prevent cramping. The baseline of a healthy immune system is HYDRATION, and that is the foundation of Nuun Immunity. Each serving (tablet) mixes into 16oz. of water to provide your body with a botanical boost and the H2O it needs for ongoing immune health.