How Much Protein Is In Corn Flakes?

FoodData Central Updated 30 March 2026

Corn Flakes is a grain-based food. It is an excellent source of vitamin C, a good source of iron, and high in vitamin A.

Protein per cup (1 NLEA serving) (28g)

1.7

g

% Daily Value

3%

Complete Nutrition Facts for Corn Flakes

Per cup (1 NLEA serving) (28g)

2.2g

sugar

Essential Amino Acids in Corn Flakes

Per cup (1 NLEA serving) (28g)

Incomplete protein

Limiting amino acid: Lysine.

48mg

Histidine

69mg

Isoleucine

284mg

Leucine

12mg

Lysine

31mg

Methionine

109mg

Phenylalanine

65mg

Threonine

10mg

Tryptophan

85mg

Valine

See the full amino acid profile of Corn Flakes →

More About Corn Flakes

About Protein in Corn Flakes

A serving of Corn Flakes (28g) contains 1.7g of protein, which is 3% of the recommended daily value based on a 2,000 calorie diet.

Protein is essential for building and repairing tissues, making enzymes and hormones, and supporting immune function. When planning your meals, consider that corn flakes is a low source of protein compared to other grains & cereals.

Compare Protein in Similar Foods

See how Corn Flakes compares to other grains & cereals.

View All Foods by Protein

Source: USDA FoodData Central | FDC ID: 174648 | Last updated: 2026-03-30

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Nutritional values are based on standard reference data and may vary slightly based on preparation methods, brands, and natural variation in foods. Always consult with a healthcare professional for personalized dietary advice.