Over 100 years ago, Frank Stewart set out to concoct the most delicious root beer ever, resulting in a soda staple that still exists today. Original Stewart's soda is a saccharine symphony of flavor.

Poppi says its new root beer formula still contains apple cider vinegar, prebiotics and 5 grams of sugar, like its other sodas, but now has a “bold, refreshed flavor” — though it didn’t go ...

An American invention, root beer remains a staple soft drink in the U.S. Large brands, such as Coca-Cola–owned Barq’s (est. 1898) and top-selling A&W (est. 1919), have kept it a favorite since ...