According to Coca Cola, the product contains carbonated water, caramel color, natural flavors, phosphoric acid, caffeine and other ingredients.
As part of the on-going market war between Coca-Cola and Pepsi, the latter released a Diet Vanilla Coke competitor in 2003, named Diet Pepsi Vanilla.
Just like with the other vanilla tasting refreshments, public opinion on the drink is divided; some like it, others think it doesn't taste like vanilla, or they just don't like the flavor of the refreshment.