Diet cola (provided you don’t pick a caffeine-free version) contains about 50 mg of caffeine, says Mangano. That’s about half as much as what you’ll find in a cup of coffee.

We don’t love labeling foods and beverages “good” or “bad” — not even soda. This sort of black-and-white thinking doesn’t do ...

Diet soda contains artificial sweeteners instead of sugar, ... a 12-ounce cup of coffee will have around 120-160 milligrams of caffeine and Pepsi has a little less than 40 milligrams. ...

Diet soda provides some water, but it also often contains caffeine, which can have a diuretic effect, though minor.This means that it actually causes the body to release water through urine ...

In a 2020 survey of 3,430 people, just 25.2% of respondents said that diet sodas were more healthy than their regular soda counterparts. Meanwhile, 26% said diet sodas were actually more un healthy.