How Much Caffeine Is In Barq's Root Beer. A regular barqs root beer contains approximately 22 mg of caffeine per 12 oz. In contrast, a normal can of regular coke contains about 34 mg.
Compared to other drinks, this means the caffeine levels of barq's root beer are low. A regular barq’s root beer contains approximately 22 mg of caffeine per 12 oz. Try barq's diet root beer today.
Get full nutrition facts for other barq's products and all your other favorite brands.
The regular variety contains around 22 mg in. 12 servings per container serving per container. A regular barqs root beer contains approximately 22 mg of caffeine per 12 oz. Browse more barq's® products & find online or in a store near you.
