Does A&W Root Beer have Caffeine?

A&W Root Beer does not have caffeine. This includes regular A&W Root Beer, Diet A&W Root Beer, and A&W Root Beer Ten. Additionally, A&W Cream Soda and Diet Cream Soda are also caffeine free.

See the caffeine in all A&W products below.

ProductServing SizeCaffeine(mg)Caffeine(mg)/fl oz
A&W Root Beer12 fl oz00
Diet A&W Root Beer12 fl oz00
A&W Ten12 fl oz00
A&W Cream Soda12 fl oz00
Diet A&W Cream Soda12 fl oz00


A&W Root Beer: Carbonated Water, High Fructose Corn Syrup, Caramel Color, Sodium Benzoate (Preservative), Natural And Artificial Flavors, Quillaia Extract.

Diet A&W Root Beer: Carbonated water, caramel color, sodium benzoate, aspartame, acesulfame potassium, natural and artificial flavors, malic acid, quillaia extract.

A&W Root Beer Ten: Carbonated water, high fructose corn syrup, caramel color, sodium benzoate, natural and artificial flavors, aspartame, acesulfame potassium, malic acid, quillaia extract.

Is All Root Beer Caffeine Free?

Most of the major root beer products that are available at your local grocery store are caffeine free. However, one of the major brands that does have caffeine is Barq’s Root Beer. It has 22 mg of caffeine per 12 fluid ounces.

Here is a selection of other root beer brands with their caffeine content.

ProductServing SizeCaffeine (mg)Caffeine(mg)/fl oz
Hanes12 fl oz00
Hires12 fl oz00
IBC12 fl oz00
Towne Club16 fl oz00
Great Value12 fl oz00
Frostie12 fl oz00
Mug12 fl oz00
Zevia12 fl oz00
Barq’s12 fl oz221.83

Reference: – Image Source: Willis Lam