This is what Pepsiproductfacts.com has to say about it:
SoBe Life Water is a unique enhanced water beverage that gives you a high level of vitamins and antioxidants and is infused with natural herbs. Plus it's low in calories, using only natural sweeteners including sugar and erythritol. With its unique flavor combinations, Life Water is naturally refreshing and thrilling! It's thrillicious!
*Picture courtesy of sobeworld.com*