As Coca-Cola begins the national rollout of its Simply Pop prebiotic soda, a flood of other brands are announcing gut pops of their own. They include Popwell by Talking Rain, Bloom Pop by Keurig Dr Pepper partner brand Bloom Nutrition, and Daytrip Prebiotic Soda by the maker of CBD sodas. Meanwhile, Halfday prebiotic tea has rebranded. And, on an adjacent front, Spindrift has launched a ...