Product debuts at the National Association of Convenience Stores' 2019 show include three flavors of S.Pellegrino's zero-calorie Essenza line and Dunkin Donuts' new cold brew drinks, which are the result of Dunkin Donuts partnering with Coca-Cola for a January launch. Nestle's Poland Spring brand is releasing a line of sparkling energy waters in three flavors, and Vita Coco is introducing two flavors to its pressed coconut water line.