Box contains one tube of each flavor: Blueberry Tangerine and Orange Citrus. Two tubes and 20 servings total, Nuun Immunity's proprietary botanical blend is packed full of hydration-boosting Electrolytes, free-radical fighting Antioxidants, and internal recovery Anti-inflammatories. Includes zinc, turmeric, elderberry, ginger & Echinacea. 10 servings per tube., Immune health supporting drink tablets are best used during: your workday, while traveling, and for ongoing immune system support., 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 2-pack in your car, purse, carry-on luggage or anywhere you'll want a healthy, restorative drink., Athletes love Nuun Immunity for its post-workout recovery benefits. The positive stress from workouts can increase vulnerability to cold and flu symptoms, and Nuun Immunity provides an athlete's system with the support it needs to stay healthy and perform.,