How Much Caffeine Is In A 12 Ounce Can Of Dr Pepper?
How Much Caffeine Is In A 12 Ounce Can Of Dr Pepper? Some of the more common national-brand carbonated beverages How much caffeine is in a can of Dr Pepper? Regular Dr Pepper = 41 mg of caffeine per 12 fluid ounces Diet Caffeine Dr Pepper = 0 mg of caffeine per 12 fluid ounces