Healthy Food Guide by KarbCoach
Key Food Sugar Frosted Flakes: Food Integrity analysis
Quick answer
Mixed integrity
Key Food sugar frosted flakes received a Food Integrity Score of 68 out of 100 (mixed integrity). This reflects highly processed and moderate additive load. This is a fortified, sugar-forward corn cereal rather than a whole-grain one. The label is short and fairly recognizable, but the refined corn meal, sugar, and malt extract do most of the work, and the vitamin stack signals formulation. It fits best as an occasional breakfast rather than a daily staple. Main considerations include sugar and malt extract add concentrated sweetness, refined degermed corn meal as the base, and heavy vitamin fortification signals a formulated product. Simpler options: Choose whole-grain cereals with less added sugar; pair with fresh fruit or plain yogurt to lower sweetness.
Food Integrity Score 68/100
What stood out on the label?
- Highly processed
- Moderate additive load
- Transparency: High
What to watch?
- Sugar and malt extract add concentrated sweetness
- Refined degermed corn meal as the base
- Heavy vitamin fortification signals a formulated product
Simpler options to consider
- Choose whole-grain cereals with less added sugar
- Pair with fresh fruit or plain yogurt to lower sweetness
You are viewing ingredients and processing. Switch to Longevity for nutrition and longer-term eating pattern fit.
Source data, GTIN, and Healthy Food Guide analysis details
Product facts
- Product
- Key Food Sugar Frosted Flakes
- Brand
- Key Food
- Category
- Breakfast & Cereal (source: Cereal)
- GTIN / UPC
00073296057065- Serving size
- 31 g (0.75 cup)
- 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
Food Integrity results
Sugar Frosted Flakes
Key Food
Mixed integrity
Warning Signs
Sugar sits second on the list, and malt extract adds another sweet layer to a cereal already built on refined corn meal.
Consider This
Vitamin-fortified degermed corn meal plus sugar and malt extract is the classic profile of a factory-formulated breakfast cereal.
Good Substitutes
Plain rolled oats or whole-grain cereal with fresh fruit and a sprinkle of cinnamon keeps the crunch without the sugar load.
Overall Assessment
Mixed integrityThis is a fortified, sugar-forward corn cereal rather than a whole-grain one. The label is short and fairly recognizable, but the refined corn meal, sugar, and malt extract do most of the work, and the vitamin stack signals formulation. It fits best as an occasional breakfast rather than a daily staple.
Key Highlights
What stood out
- Sugar and malt extract add concentrated sweetness
- Refined degermed corn meal as the base
- Heavy vitamin fortification signals a formulated product
Family Watchlist
Ingredients some users may personally want to know about.
- Sugar — Refined sweetener many users want to track
- Malt Extract — Concentrated sweetener adding to sugar load
Highest concern ingredients
- Sugar (4/10) — Refined sweetener and major sugar source
- Malt Extract (4/10) — Concentrated sweetener adding to total sugar
- Degermed Yellow Corn Meal (3/10) — Refined grain with the germ and bran removed
Better choice tips
- Choose whole-grain cereals with less added sugar
- Pair with fresh fruit or plain yogurt to lower sweetness
Ingredients
Ingredient list
DEGERMED YELLOW CORN MEAL, SUGAR, SALT, MALT EXTRACT, VITAMIN C (SODIUM ASCORBATE, ASCORBIC ACID), IRON (FERROUS FUMARATE), VITAMIN A (PALMITATE), NIACINAMIDE, VITAMIN B1 (THIAMINE MONONITRATE), VITAMIN B6 (PYRIDOXINE HYDROCHLORIDE), VITAMIN B2 (RIBOFLAVIN), VITAMIN D (CHOLECALCIFEROL), FOLIC ACID, VITAMIN B12 (CYANOCOBALAMIN).
Formulations can vary — check the package label for the final word.
Highest-concern ingredients first. Expand an item for notes.
SugarConcern 4/10 — Mild concernSweetenerWatchlist
What this is
Sweetener
Processing category
Natural refined
Main concern area
Family Watchlist
Why it matters
Added sugar is a common reason users want to track cereal choices.
Additional note
Refined sweetener and a major contributor to sugar content.
Family watchlist
Refined sweetener commonly flagged by users.
Malt ExtractConcern 4/10 — Mild concernSweetenerWatchlist
What this is
Sweetener
Processing category
Processed
Main concern area
Ingredient concern
Why it matters
Adds another concentrated sweet ingredient on top of sugar.
Additional note
Barley-derived sweet syrup adding extra sugar and processing.
Family watchlist
Concentrated sweetener adding to sugar load.
Degermed Yellow Corn MealConcern 3/10 — Mild concernRefined grain
What this is
Refined grain
Processing category
Natural refined
Main concern area
Ingredient concern
Why it matters
Refined corn has less of the original grain structure than whole corn.
Additional note
Degermed corn meal removes the germ and bran, leaving refined starch.
Vitamin C (Sodium Ascorbate, Ascorbic Acid)Concern 2/10 — Very low concernVitamin fortificantAdditive
What this is
Vitamin fortificant
Processing category
Synthetic / man-made
Main concern area
Additive load
Why it matters
Added vitamins signal a fortified, formulated product.
Additional note
Added vitamin used for fortification and stability.
View all 14 ingredient assessments
Iron (Ferrous Fumarate)Concern 2/10 — Very low concernMineral fortificantAdditive
What this is
Mineral fortificant
Processing category
Synthetic / man-made
Main concern area
Additive load
Why it matters
Mineral fortification adds to the formulated nature of the product.
Additional note
Added mineral used to fortify the cereal.
Vitamin A (Palmitate)Concern 2/10 — Very low concernVitamin fortificantAdditive
What this is
Vitamin fortificant
Processing category
Synthetic / man-made
Main concern area
Additive load
Why it matters
Added vitamins signal a fortified, formulated product.
Additional note
Added vitamin used for fortification.
NiacinamideConcern 2/10 — Very low concernVitamin fortificantAdditive
What this is
Vitamin fortificant
Processing category
Synthetic / man-made
Main concern area
Additive load
Why it matters
Added B vitamins signal a fortified, formulated product.
Additional note
Added B vitamin used for fortification.
Vitamin B1 (Thiamine Mononitrate)Concern 2/10 — Very low concernVitamin fortificantAdditive
What this is
Vitamin fortificant
Processing category
Synthetic / man-made
Main concern area
Additive load
Why it matters
Added B vitamins signal a fortified, formulated product.
Additional note
Added B vitamin used for fortification.
Vitamin B6 (Pyridoxine Hydrochloride)Concern 2/10 — Very low concernVitamin fortificantAdditive
What this is
Vitamin fortificant
Processing category
Synthetic / man-made
Main concern area
Additive load
Why it matters
Added B vitamins signal a fortified, formulated product.
Additional note
Added B vitamin used for fortification.
Vitamin B2 (Riboflavin)Concern 2/10 — Very low concernVitamin fortificantAdditive
What this is
Vitamin fortificant
Processing category
Synthetic / man-made
Main concern area
Additive load
Why it matters
Added B vitamins signal a fortified, formulated product.
Additional note
Added B vitamin used for fortification and color.
Vitamin D (Cholecalciferol)Concern 2/10 — Very low concernVitamin fortificantAdditive
What this is
Vitamin fortificant
Processing category
Synthetic / man-made
Main concern area
Additive load
Why it matters
Added vitamins signal a fortified, formulated product.
Additional note
Added vitamin used for fortification.
Folic AcidConcern 2/10 — Very low concernVitamin fortificantAdditive
What this is
Vitamin fortificant
Processing category
Synthetic / man-made
Main concern area
Additive load
Why it matters
Added B vitamins signal a fortified, formulated product.
Additional note
Added B vitamin used for fortification.
Vitamin B12 (Cyanocobalamin)Concern 2/10 — Very low concernVitamin fortificantAdditive
What this is
Vitamin fortificant
Processing category
Synthetic / man-made
Main concern area
Additive load
Why it matters
Added B vitamins signal a fortified, formulated product.
Additional note
Added B vitamin used for fortification.
SaltConcern 1/10 — Very low concernSeasoning
What this is
Seasoning
Processing category
Natural refined
Why it matters
Simple seasoning with low concern at this level.
Additional note
Common seasoning used in small amounts.
This Food Integrity score estimates how close a food appears to a simple, recognizable ingredient profile. It is not a medical safety rating or nutritional advice. 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.
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
Watch-outsMetabolic Health
For someone prioritizing Low-Spike Stability, the analysis identifies considerations that may matter more than the general product score alone.
A consideration: Sweetener/sugar on watchlist (see Food Integrity)
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: Sweetener/sugar ingredients (Mentions "sugar". See ingredients for details.)
Low Sugar Lifestyle
Watch-outsMetabolic Health
For someone prioritizing Low Sugar Lifestyle, the analysis identifies considerations that may matter more than the general product score alone.
A consideration: Sweetener/sugar on watchlist (see Food Integrity)
This product has 1 additional signal for this goal.
Appetite & Portion Awareness
Watch-outsMetabolic Health
For someone prioritizing Appetite & Portion Awareness, the analysis identifies considerations that may matter more than the general product score alone.
A consideration: Sweetener/sugar ingredients (Mentions "sugar". See ingredients for details.)
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.)
This product has 1 additional signal for this goal.
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: Carb-dense ingredients (Mentions "sugar". See ingredients for details.)
This product has 1 additional signal for this goal.
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: Higher processing level (Highly processed)
This product has 1 additional signal for this goal.
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: Higher processing level (Highly processed)
This product has 1 additional signal for this goal.
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: Higher processing level (Highly processed)
This product has 1 additional signal for this goal.
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.
Heart-Healthy Eating
NeutralMetabolic Health
For someone prioritizing Heart-Healthy Eating, the Food Integrity data do not show a strong matching signal for this product.
Athletic Fueling
NeutralAthletic Performance
For someone prioritizing Athletic Fueling, the Food Integrity data do not show a strong matching signal for this product.
Workout Recovery
NeutralAthletic Performance
For someone prioritizing Workout Recovery, the Food Integrity data do not show a strong matching signal for this product.
Strength & Protein Focus
NeutralAthletic Performance
For someone prioritizing Strength & Protein Focus, the Food Integrity data do not show a strong matching signal for this product.
Vegetarian
NeutralDietary Patterns
For someone prioritizing Vegetarian, the Food Integrity data do not show a strong matching signal for this product.
Vegan
NeutralDietary Patterns
For someone prioritizing Vegan, the Food Integrity data do not show a strong matching signal for this product.
Plant-Based
NeutralDietary Patterns
For someone prioritizing Plant-Based, the Food Integrity data do not show a strong matching signal for this product.
Pescatarian
NeutralDietary Patterns
For someone prioritizing Pescatarian, the 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 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 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.
Understanding the Food Integrity analysis
What the Food Integrity analysis evaluates
The Food Integrity analysis focuses on how a packaged food is formulated and made. It examines processing level, ingredient quality, additives, oils, sweeteners, purity cues, and how clearly a label communicates what is in the product. The Food Integrity Score summarizes that formulation and transparency picture on a 0–100 scale. It is not a full nutrient report and it is not a personalized meal plan.
Why processing, ingredients, and transparency matter
Processing level and ingredient quality shape what you are actually eating beyond calories on the label. Additives, industrial oils, and intense sweeteners can change how clean or heavily engineered a product feels, even when the front of pack looks wholesome. Purity and transparency matter because incomplete or marketing-heavy labeling can hide tradeoffs that only show up when the full ingredient list is reviewed carefully.
Who may prioritize Food Integrity
Some people care mainly about Food Integrity because their dietary goals center on formulation rather than macros alone. Examples include checking vegetarian or vegan suitability, preferring simpler ingredient sources, avoiding certain additives or sweeteners, watching oil choices, or preferring less processed options. For those priorities, the Food Integrity Score can be the more practical first read.
How Food Integrity differs from Longevity
Food Integrity is the focused analysis of processing, ingredients, additives, purity, and transparency. Longevity is the broader analysis of nutritional composition, metabolic and dietary characteristics, processing, and ingredient quality together. Favorable nutrition values do not necessarily mean strong Food Integrity: a product can look balanced on macros yet still rely on heavy processing or additives that the Food Integrity analysis flags in more detail.
Why the two analyses overlap—and why to review Longevity too
The analyses overlap intentionally. Food Integrity–related characteristics contribute to Longevity, and Longevity still benefits from the same ingredient-quality lens. They are not competing verdicts; they answer different questions at different depths. Reviewing the Longevity analysis can add information about nutritional composition, metabolic characteristics, and dietary balance that Food Integrity alone does not emphasize. Looking at both usually gives the most complete understanding of tradeoffs.
Common questions about this product
Is Key Food Sugar Frosted Flakes highly processed?
Food Integrity lists processing level as Highly 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?
Key Food Sugar Frosted Flakes shows about 0.99g of fiber per labeled serving in the Longevity nutrition facts.
Does it contain added sugar?
Key Food Sugar Frosted Flakes: 13g added sugar per serving; sweetener signals include Sugar, Malt extract. Confirm the current package Nutrition Facts and ingredient list.
What helped the Longevity Score?
Key positives called out in the analysis include: Fortified with several vitamins and iron; Very low saturated fat; Low sodium for a cereal.
What prevented a perfect Longevity Score?
Key concerns noted include: Sugar is a top ingredient; high added sugar per serving; Degermed corn meal is refined with low fiber; Ultra-processed, fortified cereal format.
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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