Dr. Pepper's 23 Flavors

After a long day filled with many activities and little gas (energy) in the tank I found myself wondering, "What are the 23 flavors that make-up the taste of Dr. Pepper?" I did some digging online and couldn't come up with anything. So, here is the official response from the Dr. Pepper website,

Q: What is the flavor of Dr Pepper supposed to be?

A: Dr Pepper is a unique blend of 23 flavors. The formula for Dr Pepper is proprietary information.

You can find out many other things about the soda on the Dr. Pepper FAQ page.