Effervescent Magnesium Supplement. Natural flavor. 1 gram sugar. 10 calories. Vegan. Gluten free. Non GMO Project verified. nongmoproject.org. For recovery. Time for a little R&R? Packed with electrolytes, magnesium, and tart cherry, Nuun is your kick-back-and-relax water. Plop. Fizz. Drink. Relax. nuunlife.com. (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).