Corn flakes

Packaged product Grains and Pasta

Corn flakes contains 357 kcal per 100 g. A serving, 1 cup, 28 g (28 g) provides about 100 kcal.

Roughly 92% of its calories come from carbohydrates, with 8% from protein and 0% from fat (estimated with general energy factors).

That is close to the median for grains and pasta on FoodFactly (378 kcal per 100 g).

100 g provides 223% of the Daily Value for Vitamin B12, 178% of the Daily Value for iron and 117% of the Daily Value for Riboflavin (B2).

The values are label data submitted by the manufacturer to USDA FoodData Central.

Corn flakes, product photo
Photo: Open Food Facts, CC BY-SA 3.0, Open Food Facts contributors
357kcal per 100 g
7.1 gprotein
85.7 gcarbohydrates
0 gfat
100kcal in serving, 1 cup, 28 g (28 g)

Nutrition facts

Nutrition facts for the selected amount
NutrientAmount per 100 g% DV
Calories L 357 kcal
Total fat L 0 g 0%
Saturated fat L 0 g 0%
Trans fat L 0 g
Cholesterol L 0 mg 0%
Sodium L 571 mg 25%
Total carbohydrates L 85.7 g 31%
Dietary fiber L 3.6 g 13%
Total sugars L 7.1 g
Protein L 7.1 g 14%
Vitamin A L 536 µg60%
Vitamin C L 21.4 mg24%
Thiamin (B1) L 1 mg83%
Riboflavin (B2) L 1.5 mg117%
Niacin (B3) L 17.9 mg112%
Vitamin B6 L 1.8 mg105%
Vitamin B12 L 5.4 µg223%
Calcium L 0 mg0%
Iron L 32.1 mg178%
Potassium L 89 mg2%

% DV: percent of the FDA Daily Value for adults (reference amounts). Letters show how each value was obtained: M measured, C calculated, L label, Z assumed zero, I imputed. Vitamins and minerals not listed were not reported by the source.

Nutritional breakdown

Protein: 8%Carbohydrates: 92%357kcal / 100 g
  • Protein 8%
  • Carbohydrates 92%

Approximate share of calories, using general energy factors (4 kcal/g protein and carbohydrate, 9 kcal/g fat, 7 kcal/g alcohol).

Vitamins and minerals, % Daily Value per 100 g

Vitamin B12223%Iron178%Riboflavin (B2)117%Niacin (B3)112%Vitamin B6105%Thiamin (B1)83%Vitamin A60%Vitamin C24%Potassium2%Calcium0%

Nutritional insights

  • Protein7.1 gbelow the median for grains and pasta (median 9.3 g)
  • Fiber3.6 gbelow the median for grains and pasta (median 7 g)
  • Sugars7.1 gbelow the median for grains and pasta (median 14.3 g)
  • Fat0 gin the lowest quarter of grains and pasta (median 5 g)
  • Saturated fat0 gin the lowest quarter of grains and pasta (median 0.5 g)
  • Sodium571 mgin the top quarter of grains and pasta (median 219 mg)
  • Protein per 100 kcal2 gprotein density, useful for comparing foods with different calorie levels

Full nutrient profile

Fats and cholesterol (2)
Monounsaturated fat L0 g
Polyunsaturated fat L0 g
Carotenoids (1)
Vitamin D (D2 + D3), International Units L143 IU
Other components (1)
Vitamin A, IU L1,790 IU

Values by source

More than one dataset describes this food. FoodFactly keeps each source's values separately instead of blending them. The headline values above come from USDA FoodData Central: Branded Foods.

Per 100 g Open Food FactsUSDA Branded
Calories 357 kcal357 kcal
Protein 7.1 g7.1 g
Carbohydrates 85.7 g85.7 g
Fat 0 g0 g
Fiber 3.6 g3.6 g
Sugars 7.1 g7.1 g
Sodium 571 mg571 mg

Product details

Barcode
0041270813563
Label serving
1 cup (28 g)
Category
Cereals and their products
Nutri-Score
D as computed by Open Food Facts
NOVA group
3 processing level (1 to 4), as classified by Open Food Facts

Ingredients

Milled corn, sugar, salt, malted barley syrup. vitamins and minerals: reduced iron, sodium ascorbate (vitamin c), niacinamide, pyridoxine hydrochloride (vitamin b6), riboflavin (vitamin b2), thiamin mononitrate (vitamin b1), vitamin a palmitate, folic acid, vitamin b12, vitamin d.

As listed on the package and transcribed by Open Food Facts contributors. Always check the package for allergens.

Ingredient guides: SugarSalt

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Per 100 g. Calories in kcal. n/a: not reported by the source.

Frequently asked questions

How many calories are in Corn flakes?

100 g of Corn flakes has 357 kcal. Serving, 1 cup, 28 g (28 g): about 100 kcal.

How much protein is in Corn flakes?

Corn flakes contains 7.1 g of protein per 100 g (14% of the 50 g Daily Value), or 2 g in serving, 1 cup, 28 g (28 g). About 8% of its calories come from protein. Compared with other grains and pasta, that is below the median (median 9.3 g).

How many carbs are in Corn flakes?

Corn flakes has 85.7 g of total carbohydrates per 100 g, including 3.6 g of fiber and 7.1 g of sugars.

How much fat is in Corn flakes?

Corn flakes contains 0 g of fat per 100 g, of which 0 g is saturated (0% of the Daily Value).

What vitamins and minerals does Corn flakes contain?

Per 100 g, the most notable amounts relative to the Daily Value are Vitamin B12 (223% DV), iron (178% DV), Riboflavin (B2) (117% DV), Niacin (B3) (112% DV) and Vitamin B6 (105% DV). The full list is in the vitamins and minerals table above.

How much sodium is in Corn flakes?

100 g contains 571 mg of sodium, 25% of the 2,300 mg Daily Value.

Where does this nutrition data come from?

From USDA FoodData Central: Branded Foods, record dated April 23, 2020. FoodFactly last checked it on November 6, 2026. Each value above shows whether it was measured, calculated or taken from a label.

Source of the nutrition information

  • Open Food Facts, record 0041270813563. License: ODbL 1.0 (Open Food Facts). Source record dated April 23, 2020. Imported November 6, 2026.
  • USDA FoodData Central: Branded Foods, record 2118528. License: CC0 1.0 (U.S. public domain). Source record dated January 19, 2018. Imported November 6, 2026.

Last updated: . Data quality score: 100/100 (how it is calculated).

General nutrition information, not medical advice. Individual needs differ; see our disclaimer.