Corn Flakes

Packaged product Vegetables Marks & Spencer

Corn Flakes contains 371 kcal per 100 g. A serving, 30 g (30 g) provides about 111 kcal.

Roughly 90% of its calories come from carbohydrates, with 9% from protein and 1% from fat (estimated with general energy factors).

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

100 g provides 32% of the Daily Value for manganese, 31% of the Daily Value for Thiamin (B1) and 27% of the Daily Value for Vitamin B6.

The values are as declared on the product label and entered by Open Food Facts contributors.

Corn Flakes by Marks & Spencer, product photo
Photo: Open Food Facts, CC BY-SA 3.0, Open Food Facts contributors
371kcal per 100 g
7.9 gprotein
81.7 gcarbohydrates
0.6 gfat
111kcal in serving, 30 g (30 g)

Nutrition facts

Nutrition facts for the selected amount
NutrientAmount per 100 g% DV
Calories L 371 kcal
Total fat L 0.6 g 0.8%
Saturated fat L 0.1 g 0.5%
Cholesterol L 0 mg 0%
Sodium L 320 mg 14%
Total carbohydrates L 81.7 g 30%
Dietary fiber L 5.3 g 19%
Total sugars L 5.6 g
Added sugars L 3.8 g 8%
Protein L 7.9 g 16%
Vitamin A L 0 µg0%
Vitamin C L 0 mg0%
Vitamin D L 0 µg0%
Vitamin E L 1.6 mg11%
Thiamin (B1) L 0.37 mg31%
Riboflavin (B2) L 0.13 mg10%
Niacin (B3) L 2 mg12%
Pantothenic acid (B5) L 0.56 mg11%
Vitamin B6 L 0.47 mg27%
Folate (B9) L 107 µg27%
Vitamin B12 L 0 µg0%
Calcium L 37.4 mg3%
Iron L 3 mg17%
Magnesium L 93.1 mg22%
Phosphorus L 242 mg19%
Potassium L 298 mg6%
Zinc L 1.8 mg16%
Copper L 0.19 mg21%
Manganese L 0.74 mg32%
Selenium L 12.1 µg22%
Iodine L 7.5 µg5%

% 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: 9%Carbohydrates: 90%Fat: 1%371kcal / 100 g
  • Protein 9%
  • Carbohydrates 90%
  • Fat 1%

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

Manganese32%Thiamin (B1)31%Vitamin B627%Folate (B9)27%Magnesium22%Selenium22%Copper21%Phosphorus19%Iron17%Zinc16%

Nutritional insights

  • Protein7.9 gin the top quarter of vegetables (median 7 g)
  • Fiber5.3 gin the top quarter of vegetables (median 2.6 g)
  • Sugars5.6 gin the lowest quarter of vegetables (median 9.2 g)
  • Fat0.6 gbelow the median for vegetables (median 0.67 g)
  • Sodium320 mgbelow the median for vegetables (median 452 mg)
  • Protein per 100 kcal2.1 gprotein density, useful for comparing foods with different calorie levels
  • Water12.7 gwater per 100 g, which largely explains differences between raw, cooked and dried forms

Full nutrient profile

Sugars and starch (1)
Starch L59.6 g
Carotenoids (1)
Beta-carotene L6 µg
Other components (2)
Water L12.7 g
Alcohol L0 g

Product details

Brand
Marks & Spencer
Barcode
00819138
Quantity
500 g e
Label serving
30 g
Category
Corn flakes
Packaging
Plastic,Cardboard
Nutri-Score
B as computed by Open Food Facts
NOVA group
3 processing level (1 to 4), as classified by Open Food Facts

Ingredients

Maïs (93 %) . Sucre - Sel - Extrait de malt d'orge (contient _Gluten_) (Niacine, Fer, Acide folique, Vitamine B12, Vitamine B6, Thiamine, Vitamine D, Riboflavine).

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

Ingredient guides: SugarSalt

Similar products

FoodCaloriesProteinCarbsFat
Corn Flakes enerBIO 371 8 g 80 g 1 g
Gruau s’mores Quaker 371 11.4 g 74.3 g 5.7 g
Corn Flakes pams 370 7.1 g 82.1 g 0.3 g
Corn flakes Kellogg's 370 7.4 g 85.2 g 0 g
Corn flakes Freedom Foods 372 7.8 g 75.2 g 1.9 g
Skippy cornflakes Sanitarium 370 7.1 g 82.1 g 0.3 g
Corn flakes Probios 370 7.3 g 81 g 1 g
Gluten Free Cornflakes Tesco Free From 370 7.3 g 81 g 1 g

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 371 kcal. Serving, 30 g (30 g): about 111 kcal.

How much protein is in Corn Flakes?

Corn Flakes contains 7.9 g of protein per 100 g (16% of the 50 g Daily Value), or 2.4 g in serving, 30 g (30 g). About 9% of its calories come from protein. Compared with other vegetables, that is among the highest quarter (median 7 g).

How many carbs are in Corn Flakes?

Corn Flakes has 81.7 g of total carbohydrates per 100 g, including 5.3 g of fiber and 5.6 g of sugars. Label conventions differ: in the EU and some other regions carbohydrates are declared without fiber.

How much fat is in Corn Flakes?

Corn Flakes contains 0.6 g of fat per 100 g, of which 0.1 g is saturated (0.5% 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 manganese (32% DV), Thiamin (B1) (31% DV), Vitamin B6 (27% DV), Folate (B9) (27% DV) and magnesium (22% DV). The full list is in the vitamins and minerals table above.

How much sodium is in Corn Flakes?

100 g contains 320 mg of sodium, 14% of the 2,300 mg Daily Value.

Where does this nutrition data come from?

From Open Food Facts, record dated March 9, 2026. 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 00819138. License: ODbL 1.0 (Open Food Facts). Source record dated March 9, 2026. Imported November 6, 2026.

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

Product data from Open Food Facts, made available under the Open Database License. Values are as declared on the label; labels can change over time, so check the package you have.

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