Pepsi Zero was originally called Diet Pepsi Max, then Pepsi Max, before it was renamed Pepsi Zero Sugar in 2015. Pepsi tweaked the flavor when it reformulated Pepsi Zero Sugar to reduce caffeine.

Where do you fall in the great Diet Coke vs. Coke Zero debate? Let's break down the key differences with a beverage expert ...

Diet Pepsi made with aspartame is returning to shelves in the U.S., after PepsiCo saw sales plummet following its reformulation of the drink last summer to remove the artificial sweetener. PepsiCo ...

NEW YORK (AP) – A revamped Diet Pepsi without aspartame is popping up on store shelves. So will people start flocking back to the soda? PepsiCo says its new Diet Pepsi should be available ...

But, Diet Pepsi will continue to be sweetened without aspartame. Meanwhile, Pepsi MAX will be re-introduced to U.S. consumers as Pepsi Zero Sugar and will still contain aspartame.

Diet Rite was a hit, prompting Coca-Cola to introduce Tab in 1963, and Pepsi to start selling Diet Pepsi a year later. The segment gained steam in the following years.

The new ad campaign for aspartame-free Diet Pepsi — “You Spoke, We Delivered” — may have gotten it backward. A week after PepsiCo first delivered the popular and reformulated soft drink to ...

The new cans will be marked with the words "Now Aspartame Free" above the Pepsi circle logo. The U.S. Food and Drug Administration approved aspartame in 1981 and continues to support its safety.

Diet Rite was a hit, prompting Coca-Cola to introduce Tab in 1963, and Pepsi to start selling Diet Pepsi a year later. The segment gained steam in the following years.