Papaya is tropical, bright, and buttery with a complex sweetness. The fruit pairs particularly nicely with the tang of orange. Papayas are so sweet that this smoothie doesn’t call for any added sugar, which makes this Papaya and Orange Sparkler healthy and diabetes-friendly. In fact, the recipe was created as part of a special campaign called the American Diabetes Challenge, where sufferers of Type 2 Diabetes are encouraged to share their stories. The addition of sparkling water or seltzer makes it an especially refreshing drink.