good news for good people that like good stuff. vitaminwater zero sugar gutsy is a refreshing watermelon peach flavored water beverage with vitamins and zero sugar deliciousness. well, guess what, we just added more stuff. whats that mean for you? it means vitamins. and electrolytes. and more nutrients. which are all good things. with 10 calories per 20 oz bottle. It also means this vitaminwater zero sugar gutsy has 5g of prebiotic fiber to help support gut health. and that's bad news for the people who like bad stuff. so, make sure you pick up a pack if youre a do-gooder or a good stuff appreciator.