Kellogg's
Is Kellogg's Corn Flakes Cereal healthy?
Corn Flakes Cereal
Longevity Score
58/100
Food Integrity Score
74/100
Limit When Possible
Mixed or weaker nutrition and ingredient signals suggest looking for better options when you can.
Quick answer
Limit When Possible
Kellogg's corn flakes cereal is rated limit when possible overall, with a Longevity Score of 58 out of 100 and a Food Integrity Score of 74 out of 100. Simple, mostly refined corn with added sugar and malt flavor; low fiber and protein make it a light, lower-density choice. Strengths include short ingredient list with few additives, fortified with b vitamins and iron, and low saturated fat and low calorie per serving, while main considerations include refined milled corn with very little fiber, added sugar listed as a main ingredient, and low protein for a breakfast serving.
Longevity Score 58/100Food Integrity Score 74/100
What helped the score?
- Short ingredient list with few additives
- Fortified with B vitamins and iron
- Low saturated fat and low calorie per serving
What held the score back?
- Refined milled corn with very little fiber
- Added sugar listed as a main ingredient
- Low protein for a breakfast serving
Ingredients
Ingredient list
INGREDIENTS: MILLED CORN, SUGAR, MALT FLAVOR, CONTAINS 2% OR LESS OF salt. VITAMINS AND MINERALS: Iron (ferric phosphate), niacinamide, vitamin B6 (pyridoxine hydrochloride), vitamin B2 (riboflavin), vitamin B1 (thiamin hydrochloride), folic acid, vitamin D3. vitamin B12.
Formulations can vary — check the package label for the final word.
Key nutrition
Per serving: 21 g (1 Container)
- Calories764% DV
- Protein1.3g3% DV
- Total Carbs17.8g6% DV
- Fiber0.7g2% DV
- Total Fat0.1g0% DV
- Saturated Fat0g0% DV
Source data, GTIN, and Healthy Food Guide analysis details
Product facts
- Product
- Kellogg's Corn Flakes Cereal
- Brand
- Kellogg's
- Category
- Breakfast & Cereal (source: Processed Cereal Products)
- GTIN / UPC
00038000001956- Serving size
- 21 g (1 Container)
- Source data — ingredients
- Ingredient list from product label data (see Sources)
- Healthy Food Guide analysis
- Independent Longevity and Food Integrity scorecards. See methodology under Sources.
- Data last verified
How this product may fit different goals
The same food can look different depending on what matters most to you. Here is a general preview of how this product may align with several common goals.
Low-Spike Stability
MixedMetabolic Health
For someone prioritizing Low-Spike Stability, the same nutrition and ingredient data show both supportive signals and tradeoffs.
A tradeoff: Low fiber (0.7g)
This product has 1 additional signal for this goal.
Heart-Healthy Eating
SupportiveMetabolic Health
For someone prioritizing Heart-Healthy Eating, the available data suggest this product may align in helpful ways.
A supportive signal: Low saturated fat (0g)
This product has 1 additional signal for this goal.
GLP-1 Eating Support
Watch-outsMetabolic Health
For someone prioritizing GLP-1 Eating Support, the analysis identifies considerations that may matter more than the general product score alone.
A consideration: Lower protein (1.3g)
Low Sugar Lifestyle
MixedMetabolic Health
For someone prioritizing Low Sugar Lifestyle, the same nutrition and ingredient data show both supportive signals and tradeoffs.
A tradeoff: Sweetener signals (Added sugar)
This product has 1 additional signal for this goal.
Appetite & Portion Awareness
SupportiveMetabolic Health
For someone prioritizing Appetite & Portion Awareness, the available data suggest this product may align in helpful ways.
A supportive signal: Modest calories per serving (76 kcal)
Workout Recovery
MixedAthletic Performance
For someone prioritizing Workout Recovery, the same nutrition and ingredient data show both supportive signals and tradeoffs.
A tradeoff: Lower protein (1.3g)
This product has 1 additional signal for this goal.
Strength & Protein Focus
Watch-outsAthletic Performance
For someone prioritizing Strength & Protein Focus, the analysis identifies considerations that may matter more than the general product score alone.
A consideration: Lower protein (1.3g)
Low-Carb Lifestyle
Watch-outsDietary Patterns
For someone prioritizing Low-Carb Lifestyle, the analysis identifies considerations that may matter more than the general product score alone.
A consideration: Carb-dense ingredients (Mentions "sugar". See ingredients for details.)
Keto-Style Eating
Watch-outsDietary Patterns
For someone prioritizing Keto-Style Eating, the analysis identifies considerations that may matter more than the general product score alone.
A consideration: Net carbs above typical keto snack range (17.1g)
Low Gluten Eating
Watch-outsDietary Patterns
For someone prioritizing Low Gluten Eating, the analysis identifies considerations that may matter more than the general product score alone.
A consideration: Gluten-related ingredients (Mentions "malt". See ingredients for details.)
Minimally Processed Eating
Watch-outsDietary Patterns
For someone prioritizing Minimally Processed Eating, the analysis identifies considerations that may matter more than the general product score alone.
A consideration: Sweetener signals (Added sugar)
Whole-Food Focused Eating
Watch-outsDietary Patterns
For someone prioritizing Whole-Food Focused Eating, the analysis identifies considerations that may matter more than the general product score alone.
A consideration: Sweetener signals (Added sugar)
Reduce Ultra-Processed Foods
Watch-outsDietary Patterns
For someone prioritizing Reduce Ultra-Processed Foods, the analysis identifies considerations that may matter more than the general product score alone.
A consideration: Sweetener signals (Added sugar)
Paleo-Style Eating
Watch-outsDietary Patterns
For someone prioritizing Paleo-Style Eating, the analysis identifies considerations that may matter more than the general product score alone.
A consideration: Grain/legume ingredients (Mentions "corn". See ingredients for details.)
This product has 1 additional signal for this goal.
Athletic Fueling
NeutralAthletic Performance
For someone prioritizing Athletic Fueling, the available Longevity and Food Integrity data do not show a strong matching signal for this product.
Vegetarian
NeutralDietary Patterns
For someone prioritizing Vegetarian, the available Longevity and Food Integrity data do not show a strong matching signal for this product.
Vegan
NeutralDietary Patterns
For someone prioritizing Vegan, the available Longevity and Food Integrity data do not show a strong matching signal for this product.
Plant-Based
NeutralDietary Patterns
For someone prioritizing Plant-Based, the available Longevity and Food Integrity data do not show a strong matching signal for this product.
Pescatarian
NeutralDietary Patterns
For someone prioritizing Pescatarian, the available Longevity and Food Integrity data do not show a strong matching signal for this product.
Mediterranean-Style Eating
NeutralDietary Patterns
For someone prioritizing Mediterranean-Style Eating, the available Longevity and Food Integrity data do not show a strong matching signal for this product.
Healthy Fat Focus
NeutralDietary Patterns
For someone prioritizing Healthy Fat Focus, the available Longevity and Food Integrity data do not show a strong matching signal for this product.
See how this product fits your goals
Choose what matters most to you and explore a more detailed interpretation of this product's nutrition, ingredients, and tradeoffs.
Common questions about this product
Is Kellogg's Corn Flakes Cereal highly processed?
Food Integrity lists processing level as Lightly processed. That reflects formulation and processing signals from the ingredient analysis — not a medical or regulatory classification.
Why are the Longevity and Food Integrity scores different?
Longevity emphasizes nutrition per serving and longer-term dietary alignment. Food Integrity emphasizes ingredients, additives, processing, and label transparency. The same product can score differently on those lenses.
How much fiber is in one serving?
Kellogg's Corn Flakes Cereal shows about 0.69g of fiber per labeled serving in the Longevity nutrition facts.
Does it contain added sugar?
Kellogg's Corn Flakes Cereal: 2.1g added sugar per serving; sweetener signals include Added sugar. Confirm the current package Nutrition Facts and ingredient list.
What helped the Longevity Score?
Key positives called out in the analysis include: Short ingredient list with few additives; Fortified with B vitamins and iron; Low saturated fat and low calorie per serving.
What prevented a perfect Longevity Score?
Key concerns noted include: Refined milled corn with very little fiber; Added sugar listed as a main ingredient; Low protein for a breakfast serving.
Who might evaluate this product differently?
People prioritizing different goals (for example lower carbs, higher protein, or minimally processed eating) may weigh the same breakfast & cereal differently. Use the goal preview on this page, then personalize in KarbCoach for your priorities.
Source data and Healthy Food Guide analysis
- Public label databases (including USDA FoodData Central and Open Food Facts) — Possible sources for package ingredients and nutrition.
- Healthy Food Guide analysis (Longevity and Food Integrity) — Independent Longevity and Food Integrity scorecards.
- How the Longevity Score is calculated
- How the Food Integrity Score is calculated
- Scoring models: KarbCoach Longevity and Food Integrity.
- Independent analysis. No manufacturer affiliation.
- Formulations can vary by region, size, and packaging. Check the package label for ingredients, allergens, and nutrition. Not medical advice — do not use this site or the KarbCoach mobile app for allergy or health decisions. Full sources and safety details.
Label accuracy and safety information
Formulations can vary by region, size, and packaging. Check the package label for ingredients, allergens, and nutrition. Not medical advice — do not use this site or the KarbCoach mobile app for allergy or health decisions.
See how this item lines up with your goals
Healthy Food Guide covers this product in detail. In KarbCoach, your goals shape what matters most for your meals.
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