Coca-Cola is entering its own contender in the trendy prebiotic soda category to compete with the popular "gut-healthy" sodas Olipop and Poppi.

Coca Cola is introducing a line of prebiotic sodas, marking the legacy company's first foray into the "functional" soft drink market led by upstarts Olipop and Poppi — and further tightening competition as more Canadian brands launch their versions of the fizzy drinks.