It may also, as in the case of Pepsi Zero Sugar ... so always check the back of the can, where the caffeine content is listed below the nutrition label. Read the original article on Chowhound.

but the two zero-sugar drinks taste different. I’ve always thought Coke is smoother, while Pepsi has an almost citrusy tang that can come across as sour. Coke Zero launched in 2005, 23 years ...