ADiet Pepsi
per 100ml · Diet Soda
Graded A — 60 out of 100, #9 of 34 beverages. Low sugar carries the score (100/100); protein drags it down (0/100).
The short version: Pepsi's calorie-free understudy.
The catch: Sweetened with aspartame and acesulfame-K — the formula scores sugar, not sweeteners.
Photo: Wikimedia Commons
Nutrition facts
Nutrition Facts
Why it scored 60
Each factor is scored 0–100, then combined with the weights shown. Read the full methodology.
Where it ranks
#9 of 34 in Beverages. Why per-100-calorie scoring changes everything →
More diet soda
Questions people ask
Is Diet Pepsi healthy?
It grades A — 60 out of 100, #9 of 34 beverages in our system. Pepsi's calorie-free understudy.
How many calories are in Diet Pepsi?
0 calories per 100ml. For context, that is scored per 100 calories here, which is why energy-dense foods can grade lower than you’d expect.
How is the nutrition score for Diet Pepsi calculated?
Each factor (protein, fiber, micronutrients, and others depending on the category) is scored 0–100 against a fixed benchmark, then combined with published weights. See the score breakdown above or read the full methodology.