Corn Flakes

by Marks & Spencer 500g in Corn flakes Barcode 29310760
Average nutritional quality
Processed food
Green-Score
d
Environmental impact estimate

Corn Flakes by Marks & Spencer provides 387 kcal per 100 g, with 6.1 g of sugars and 7.7 g of protein. That is 43% less sugar than the average product in this category. Its Nutri-Score is C and it is classified as NOVA 3 (processed food). It is listed in the Corn flakes category and comes in a 500g pack. Contains: gluten.

Nutrient levels per 100 g

Fat
1.2 g · Low
Saturated fat
0.3 g · Low
Sugars
6.1 g · Moderate
Salt
0.6 g · Moderate

Levels use UK front-of-pack reference thresholds.

Nutrition facts

Nutrient Per 100 g Category avg
Calories 387 kcal 376
Total fat 1.2 g 1.3 −10%
Saturated fat 0.3 g 0.4 −22%
Carbohydrates 85.2 g 82.1
Total sugars 6.1 g 10.7 −43%
Added sugars 5 g 8.1 −39%
Dietary fiber 2.5 g 3.6 −31%
Protein 7.7 g 7.3 +5%
Salt 0.6 g 1.2 −50%

Category average across 1210 Corn flakes products on Foodmetria.

Compared with other corn flakes

Calories higher 15%
Sugars lower 44%
Salt lower 18%
Saturated fat higher 41%
Protein top 39%
Fiber top 82%

Bar shows the share of products in this category that contain less of the nutrient.

Ingredients

maize, sugar, salt, barley malt extract, iron, niacin, pantothenic acid, vitamin B6, riboflavin, thiamin, folic acid, vitamin D, vitamin B12

Palm oil freeMaybe veganMaybe vegetarian
Allergens
Gluten

Product details

Quantity
500g
Sold in
United Kingdom
Barcode
29310760

Prices reported by shoppers

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Recipe & label changes

  1. September 26, 2026
    • Pack size: — → 500g

Changes to this product's label data recorded since Foodmetria started tracking it.

Frequently asked questions

How many calories are in Corn Flakes?

Corn Flakes contains 387 kcal per 100 g.

How much sugar is in Corn Flakes?

Corn Flakes has 6.1 g of sugars per 100 g, which is considered moderate by UK front-of-pack guidelines.

Is Corn Flakes healthy?

It has a Nutri-Score of C (A is best, E is worst); it is in NOVA group 3 — processed food. Scores describe nutritional quality and processing, not suitability for your individual diet.

What allergens does Corn Flakes contain?

According to the label data it contains: Gluten. Recipes change — always check the package label.

Source: Open Food Facts (ODbL). Last updated September 26, 2026. Spotted a mistake? Edit this product on Open Food Facts. Not medical advice — always check the package label.

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