Coca-Cola is launching a prebiotic soda brand called Simply Pop, taking on upstarts Olipop and Poppi. Starting in late February, consumers on the West Coast and in the Southeast will be able to try Coke’s iteration of the trendy drink.

Sparkly beverages pumped with prebiotic fiber have been bubbling up for some time now, positioned both as gut-helpers and healthier alts to classic soda. As popular options like Poppi and Olipop have claimed shelf space at more than just health-food stores,