For example, a 12-ounce serving of Coca-Cola contains 34 grams of caffeine, but the same serving of Barq's root beer -- one ...

Unlike Barq's, Mug Root Beer is caffeine-free. Mug originated in the 1940s in San Fransisco when it used to be known as ...

Louisianans and Mississippians have long battled over claiming rights for Barq’s Root Beer, a beloved soft drink known for its high carbonation, low-foam taste and fabled Southern origins.