Healthy Food Guide by KarbCoach
Raisin Bran Kellogg's Cereal Mega Size: Food Integrity analysis
Quick answer
High integrity
Raisin Bran kellogg's cereal mega size received a Food Integrity Score of 84 out of 100 (high integrity). This reflects lightly processed and low additive load. This is a fairly recognizable cereal built on whole grain wheat, raisins, and wheat bran, with a short ingredient list that reads more like a kitchen recipe than a factory formula. The added sugar, brown sugar syrup, and malt flavor are the main reasons it lands below the simplest options, so it fits best as an occasional breakfast rather than a daily default. Main considerations include added sugar and brown sugar syrup and malt flavor as a vague flavor system. Simpler options: Choose a cereal with less added sugar or no syrup-based sweeteners; pair with plain oats or fresh fruit to control sweetness.
Food Integrity Score 84/100
What stood out on the label?
- Lightly processed
- Low additive load
- Transparency: High
What to watch?
- Added sugar and brown sugar syrup
- Malt flavor as a vague flavor system
Simpler options to consider
- Choose a cereal with less added sugar or no syrup-based sweeteners
- Pair with plain oats or fresh fruit to control 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
- Raisin Bran Kellogg's Cereal Mega Size
- Brand
- Raisin Bran
- Category
- Breakfast & Cereal (source: Cereal)
- GTIN / UPC
00038000270840- Serving size
- 59 g (1 Cup (59g) Cereal)
- 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

Kellogg's Cereal Mega Size
Raisin Bran
High integrity
Warning Signs
Sugar and brown sugar syrup sit near the top of this cereal, adding refined sweetness to an otherwise simple grain base.
Consider This
Malt flavor is a flavor system, a vague-sounding helper that often signals more formulation than the raisins and bran suggest.
Good Substitutes
Try plain rolled oats with a handful of raisins, cinnamon, and a little milk for a simpler, homemade-style bowl.
Overall Assessment
High integrityThis is a fairly recognizable cereal built on whole grain wheat, raisins, and wheat bran, with a short ingredient list that reads more like a kitchen recipe than a factory formula. The added sugar, brown sugar syrup, and malt flavor are the main reasons it lands below the simplest options, so it fits best as an occasional breakfast rather than a daily default.
Key Highlights
What stood out
- Added sugar and brown sugar syrup
- Malt flavor as a vague flavor system
Family Watchlist
Ingredients some users may personally want to know about.
- Sugar — Refined added sweetener
- Brown sugar syrup — Added syrup sweetener
- Contains 2% or less of malt flavor — Vague flavor system
Highest concern ingredients
- Brown sugar syrup (5/10) — Added syrup sweetener
- Contains 2% or less of malt flavor (5/10) — Vague flavor system
- Sugar (4/10) — Refined added sweetener
Better choice tips
- Choose a cereal with less added sugar or no syrup-based sweeteners.
- Pair with plain oats or fresh fruit to control sweetness.
Ingredients
Ingredient list
WHOLE GRAIN WHEAT, RAISINS, WHEAT BRAN, SUGAR, BROWN SUGAR SYRUP, CONTAINS 2% OR LESS OF MALT FLAVOR, SALT
Formulations can vary — check the package label for the final word.
Highest-concern ingredients first. Expand an item for notes.
Brown sugar syrupConcern 5/10 — Moderate concernSweetenerWatchlist
What this is
Sweetener
Processing category
Processed
Main concern area
Family Watchlist
Why it matters
A second added sweetener form that adds to total sugar load.
Additional note
Syrup-based sweetener added beyond plain sugar.
Family watchlist
Added syrup sweetener.
Contains 2% or less of malt flavorConcern 5/10 — Moderate concernFlavor systemWatchlist · Additive · Vague label term
What this is
Flavor system
Processing category
Processed
Main concern area
Family Watchlist
Why it matters
Flavor systems are vague and often signal formulation beyond the base grains.
Additional note
Flavor system with unspecified composition.
Family watchlist
Vague flavor system.
SugarConcern 4/10 — Mild concernSweetenerWatchlist
What this is
Sweetener
Processing category
Natural refined
Main concern area
Family Watchlist
Why it matters
Refined added sugar, a common watchlist item for many users.
Additional note
Refined sweetener added to the cereal.
Family watchlist
Refined added sweetener.
Wheat branConcern 1/10 — Very low concernFiber-rich grain
What this is
Fiber-rich grain
Processing category
Natural refined
Why it matters
Mildly refined grain fraction, expected in a bran cereal.
Additional note
Milled outer layer of wheat, mildly refined.
View all 7 ingredient assessments
SaltConcern 1/10 — Very low concernSeasoning
What this is
Seasoning
Processing category
Natural refined
Why it matters
Common seasoning with low integrity concern at this level.
Additional note
Basic seasoning mineral.
Whole grain wheatConcern 0/10 — No meaningful concernWhole grain
What this is
Whole grain
Processing category
Whole food
Why it matters
Provides the cereal's core whole grain base.
Additional note
Whole grain base ingredient.
RaisinsConcern 0/10 — No meaningful concernSimple food
What this is
Simple food
Processing category
Whole food
Why it matters
Recognizable dried fruit with no added processing concern.
Additional note
Dried fruit, simple recognizable food.
Food Integrity is an ingredient-based estimate of how close a product appears to a simple, recognizable profile. It is not a medical safety rating. 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", "syrup", "brown 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", "syrup", "brown 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", "syrup". 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", "syrup". 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 "wheat", "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: Family watchlist items (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: Family watchlist items (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: Family watchlist items (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 "wheat". 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 Raisin Bran Kellogg's Cereal Mega Size 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?
Raisin Bran Kellogg's Cereal Mega Size shows about 7.02g of fiber per labeled serving in the Longevity nutrition facts.
Does it contain added sugar?
Raisin Bran Kellogg's Cereal Mega Size: 17g total sugar per serving; sweetener signals include Sugar, Brown sugar syrup. Confirm the current package Nutrition Facts and ingredient list.
What helped the Longevity Score?
Key positives called out in the analysis include: Whole grain wheat is the first ingredient; Good fiber per serving (about 7g); Simple ingredient list with few additives.
What prevented a perfect Longevity Score?
Key concerns noted include: Added sugar plus brown sugar syrup in the ingredients; Sugar around 17g per serving; Refined sugar appears alongside raisins.
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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