Coke Zero (Medium)

1 medium (30 fl oz) · 0 cal · 0g protein
13 Poor
Seed oil free Scored as the packaged product

How we scored it

This beverage contains multiple artificial sweeteners and preservatives, which are considered harmful ingredients. The high level of processing and presence of artificial additives significantly impact its health rating.

Nutrition facts

Per 1 medium (30 fl oz)Amount% DV
Calories 0
Total fat 0g 0%
Saturated fat 0g 0%
Trans fat 0g
Cholesterol 0mg 0%
Sodium 10mg 0%
Total carbohydrate 0g 0%
Dietary fiber 0g 0%
Sugars 0g
Protein 0g 0%

Casey's's published nutrition. Percentages are of the daily value on a 2,000-calorie diet.

Key ingredients

8
CARAMEL
Bad

Caramel coloring is used for appearance but may contain chemicals linked to health concerns when consumed in large amounts.

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PHOSPHORIC ACID
Bad

Phosphoric acid is added for tartness but can contribute to dental erosion and may affect bone health if consumed excessively.

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POTASSIUM BENZOATE
Bad

Potassium benzoate is a preservative that prevents spoilage but has been associated with potential health concerns when consumed frequently.

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ASPARTAME
Bad

Aspartame is an artificial sweetener used to reduce sugar content but has been debated for potential health effects in sensitive individuals.

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ACESULFAME POTASSIUM
Bad

Acesulfame potassium is an artificial sweetener that provides sweetness without calories but has raised concerns regarding its long-term safety.

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CAFFEINE
Bad

Caffeine is a stimulant that can increase alertness but may cause jitters, sleep issues, or increased heart rate in some consumers.

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SUCRALOSE
Bad

Sucralose is an artificial sweetener that offers sweetness without calories but has been scrutinized for potential effects on gut health.

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POTASSIUM CITRATE
Good

Potassium citrate helps regulate acidity and provides potassium, an essential mineral important for muscle and nerve function.

See more about POTASSIUM CITRATE →

Scout's score is an independent read of Casey's's published ingredient statement and nutrition for this item, last scored September 2026. Recipes change — check the chain for today's menu. Scout takes no payment from any chain. How we score · Full Casey's menu.