Mountain Dew (20 fl oz) 15

Mountain Dew (20 fl oz)

at KFC
20 fl. oz. · 270 cal · 0g protein · Poor · 15/100
Seed oil free Scored as the packaged product

How we scored it

The product contains high fructose corn syrup, which is a major red flag, and has a high level of added sugars. These factors, combined with its ultra-processed nature, significantly lower its health score.

Nutrition facts

Per 20 fl. oz.Amount% DV
Calories 270
Total fat 0g 0%
Saturated fat 0g 0%
Trans fat 0g
Cholesterol 0mg 0%
Sodium 85mg 4%
Total carbohydrate 73g 27%
Dietary fiber 0g 0%
Sugars 73g
Protein 0g 0%

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

Key ingredients

5
High Fructose Corn Syrup
Very Bad

High fructose corn syrup is a sweetener that can contribute to excess calorie intake and has been linked to health concerns when consumed in large amounts.

See more about High Fructose Corn Syrup →
Carbonated Water
Good

Carbonated water is the base of many fizzy drinks, providing the bubbly texture that consumers enjoy without adding calories or sugars.

See more about Carbonated Water →
Citric Acid
Good

Citric acid adds a tangy flavor and acts as a preservative, helping to maintain the beverage's freshness and taste.

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Caffeine
Good

Caffeine provides a stimulating effect and is a common ingredient in sodas to enhance alertness and energy levels.

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Natural Flavors
Neutral

Natural flavors are added to enhance the taste of the beverage, but their specific composition is often proprietary and not fully disclosed.

See more about Natural Flavors →

Scout's score is an independent read of KFC'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 KFC menu.