As authentic as a vintage "I'm a Pepper®" tee, Dr Pepper is always original. A signature blend of 23 flavors makes eAs authentic as a vintage "I'm a Pepper®" tee, Dr Pepper is always original. A signature blend of 23 flavors makes every sip of Dr Pepper truly unique. There's nothing like a Dr Pepper.very sip of Dr Pepper truly unique. There's nothing like a Dr Pepper.