Question: what is the difference between diet pepsi and pepsi max?
Answer: Compared to Pepsi Max, a 7.5 fl. oz bottle/can of Diet Pepsi contains a lower amount of caffeine at 22mg. Meanwhile, its aspartame content is at 111mg. ... Pepsi Max contains aspartame, potassium benzoate, acesulfame potassium, calcium disodium EDTA, and panax ginseng extract which is not present in Diet Pepsi.