Although root beer is generally caffeine-free, some varieties may contain a small amount. In particular, the brand Barq’s is notable for its caffeine content. The regular variety contains around ...

Barq's Root Beer, the ever-popular soda with the large white logo you've probably seen front and center at the grocery store, ...

Root beers, cream sodas, and fruit-flavored sodas are usually caffeine-free, but Barq’s regular root beer, Sunkist, and Diet Sunkist are caffeinated. How to identify caffeine-free sodas ...

There is also a Zevia diet root beer and a diet lemon-lime. No doubt you've heard of stevia, the newly approved natural sweetener that's 300 times sweeter than sugar, with no calories.