If you're looking for a soft drink with an authentically different taste, nothing satisfies quite like a Dr. Pepper. Diet Dr. Pepper has an original recipe of 23 signature flavors blended into one deliciously unique beverage that doesn't sacrifice great taste for zero calories. Established in 1885, Dr. Pepper has an iconic history of delivering satisfying refreshment. Often imitated and never duplicated, Diet Dr. Pepper is Always One of a Kind.