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Nutritional Density
Food guide

Cornflakes

Toasted maize breakfast flakes, usually fortified with vitamins and iron.

Plant-Based
Cornflakes, a nutrient-dense plant-based food, photographed on a plain linen surface

Nutrition per 100 g

Standardised to 100 g of cornflakes, dry for fair comparison. Typical serving: 40 g dry — 150 kcal per 40 g serving.

Nutrition information for Cornflakes
NutrientPer 100 gPer serving (40 g)Per 100 kcal
Energy375 kcal150 kcal100 kcal
Protein7.5 g3 g2 g
Carbohydrate85 g34 g22.7 g
Fat1 g0.4 g0.3 g
Fibre3 g1.2 g0.8 g

Figures are typical values and vary with variety, preparation and brand.

Micronutrients

Vitamins and minerals per 100 g of cornflakes, with a typical serving and FDA Daily Value for adults.

Micronutrients for Cornflakes
NutrientPer 100 gPer serving (40 g)% DV
Vitamins
Vitamin C0 mg0 mg0%
Thiamin0.01 mg0.004 mg<1%
Riboflavin0.09 mg0.036 mg7%
Niacin0.097 mg0.039 mg<1%
Vitamin B60.012 mg0.005 mg<1%
Minerals
Calcium9.1 mg3.6 mg<1%
Iron0.15 mg0.06 mg<1%
Magnesium4.5 mg1.8 mg1%
Phosphorus8.1 mg3.2 mg<1%
Potassium64.2 mg25.7 mg1%
Sodium4.7 mg1.9 mg<1%
Zinc0.061 mg0.024 mg<1%
Copper0.035 mg0.014 mg4%
Manganese0.18 mg0.072 mg8%

Source: USDA FoodData Central — Cranberries, dried, sweetened

% DV uses FDA Daily Values for adults. Nutrients that USDA does not report for this entry are omitted. Values vary with variety, preparation and brand.

Why eat cornflakes?

  • Fortification makes them a meaningful source of iron and B vitamins.
  • Quick and cheap.

How to include it

  • Serve with milk or yogurt plus fruit and nuts.
  • Compare labels for sugar per 100 g.

Things to consider

  • Low fibre and often high in added sugar.
  • Digested rapidly; add protein to slow the meal down.

Educational content. This article is for general information and is not medical advice. Speak to a qualified health professional about your individual circumstances.

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