What is it about Dr Pepper that makes it so tasty? Dr Pepper is a combination of 23 flavors. The aroma of so and so pharmacy was created by combining all of the flavors.
Dr Pepper's shelf life is determined by the container in which it is stored. It lasts roughly nine months in glass or cans, and three months in plastic bottles. Much of this is dependent on how long you've had the Dr Pepper and whether or not it has gone bad.