Caffeine Free Diet Coke (Medium)

1 medium (30 fl oz) · 0 cal · 0g protein
15 Poor
Seed oil free

How we scored it

The product contains multiple artificial sweeteners and preservatives, which are considered harmful ingredients. Additionally, the presence of caramel and phosphoric acid contributes to a high level of processing, significantly impacting the healthiness score.

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 30mg 1%
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 is used for coloring and can contain additives that some consumers prefer to avoid, which is why it is considered less healthy.

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PHOSPHORIC ACID
Bad

Phosphoric acid is added for tartness but may contribute to dental erosion if consumed excessively.

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POTASSIUM BENZOATE and POTASSIUM SORBATE
Bad

These preservatives help prevent spoilage but are artificial additives that some consumers prefer to limit in their diet.

SODIUM SACCHARIN
Bad

Sodium saccharin is an artificial sweetener used to provide sweetness without calories, but some people choose to avoid artificial sweeteners.

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ASPARTAME
Bad

Aspartame is an artificial sweetener used to reduce sugar content, but some consumers prefer to avoid it due to personal health concerns.

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CARBONATED WATER
Good

Carbonated water is the main component of soda, providing the fizzy sensation that many consumers enjoy without added sugars or calories.

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CITRIC ACID
Good

Citric acid adds tartness and acts as a preservative, and is naturally found in citrus fruits, making it a common and generally safe additive.

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POTASSIUM CITRATE
Good

Potassium citrate helps regulate acidity and is a common additive that supports flavor balance in beverages.

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.