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Kellogg's Corn Flakes
Photo: Open Food Facts contributors (CC BY-SA)

Extruded cereals

Kellogg's Corn Flakes

18 oz

Okay out of 100 High confidence
  • High in salt
  • Contains added sugars
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Why it scores 40

Kellogg's Corn Flakes scores 40 out of 100 (Okay) under GoodSwap’s published rules. What moved the score most:

  1. Sugar: An added sugar. Strong
  2. Malt syrup: An added sugar. Strong
  3. Processed (NOVA 3): Classified NOVA 3: processed with added salt, sugar or oil. Emerging

Every line of the math is on The Receipt below, with its evidence tier and sources.

Better breakfast cereals

The same kind of product, at least 10 points higher, sold in the US. Never paid placements.

The Receipt

Corn Flakes

START100

Ingredients

  • Sugar
    Strong An added sugar. [1][2][3]
  • Malt syrup
    Strong An added sugar. [1][2][3]
subtotal−40

Processing

  • Processed (NOVA 3)
    Emerging Classified NOVA 3: processed with added salt, sugar or oil. [4]
subtotal−8

Nutrition per 100 g

  • Sugars 9.5 g / 100 g
    Strong High in sugar. [1]
  • Salt 1.8 g / 100 g
    Strong High in salt. [5]
  • Energy 357 kcal / 100 g
    Info Energy-dense for its weight. [2]
subtotal−12
TOTAL 40Okay

100 − 60 = 40

Can’t score above 79. Contains sugar, an ingredient of high concern. [1][2][3]

Can’t score above 79. High in salt (above the front-of-pack "high" level). [6]

GTIN 00038000001208 · 2026-07-27

score v1.3.0 · kb 2026.10.11

High confidence

Same product, same score. Every time.

Nutrition per 100 g

Energy357 kcal
Fat0 g
Saturated fat0.1 g
Trans fat0 g
Carbohydrates85.7 g
Sugars9.5 g
Added sugars9.5 g
Fiber2.4 g
Protein7.1 g
Salt1.8 g

Serving: 1.5 cup (42 g)

Ingredients

High Moderate Not recognized Tap an ingredient for its evidence and rules.
Label text, as published

Milled corn, sugar, malt flavor, contains 2% or less of salt. bht added to packaging for freshness. vitamins and minerals: iron, vitamin c (sodium ascorbate, ascorbic acid), niacinamide, vitamin b6 (pyridoxine hydrochloride), vitamin b2 (riboflavin), vitamin b1 (thiamin hydrochloride), vitamin a palmitate, folic acid, vitamin d, vitamin b12.

Allergens and diets

Contains: Gluten

  • Not gluten-free
  • Palm-oil-free

Always check the package: recipes change.

Healthiest extruded cereals in the US

More from Kellogg's

Sources

  1. Guideline: sugars intake for adults and children

    World Health Organization · Mar 4, 2015 · Agency assessment

    “In both adults and children, WHO recommends reducing the intake of free sugars to less than 10% of total energy intake”

    who.int

  2. Dietary Guidelines for Americans, 2025–2030

    U.S. Department of Health and Human Services and U.S. Department of Agriculture · January 2026 · Regulator

    “Limit foods and beverages that include artificial flavors, petroleum-based dyes, artificial preservatives, and low-calorie non-nutritive sweeteners.”

    cdn.realfood.gov

  3. Added and free sugars should be as low as possible

    European Food Safety Authority · Feb 28, 2022 · Agency assessment

    “Sugar consumption is a known cause of dental caries.”

    efsa.europa.eu

  4. Ultra-processed foods: what they are and how to identify them

    Public Health Nutrition · April 2019 · Peer-reviewed

    doi.org

  5. Sodium reduction (fact sheet)

    World Health Organization · May 11, 2026 · Agency assessment

    “For adults, WHO recommends less than 2000 mg/day of sodium (equivalent to less than 5 g/day salt), or just under a teaspoon.”

    who.int

  6. Guide to creating a front of pack (FoP) nutrition label for pre-packed products sold through retail outlets

    Department of Health and Social Care / Food Standards Agency (GOV.UK) · Nov 8, 2016 · Regulator

    “Table 3: Criteria for drinks (per 100ml)”

    assets.publishing.service.gov.uk