Effervescent Electrolyte Supplement. Natural flavor. Vegan. Gluten free. Non GMO Project verified. nongmoproject.org. Hydration you can fee. 32 on-the-go drinks! Hydration for: exercise; travel; energy; illness; recovery. 16 servings per tube. Complete electrolytes. Clean hydration. Bursting with delicious natural flavors and complete electrolytes, just one of Nuun's effervescent tablets transforms 16 oz of water into hydration you can feel. With only 15 calories and 1 g of sugar per serving, this lightly frizzy beverage won't weigh you down while you're on the go. 2 Nuun Hydration Sport = 32 drinks. See individual tube for complete supplement information. Clean planet. (These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease).