Healthy Food Guide by KarbCoach
Smartfood Sweet & Salty Kettle Corn Flavored Popcorn: Food Integrity analysis
Quick answer
Mixed integrity
Smartfood sweet & salty kettle corn flavored popcorn received a Food Integrity Score of 62 out of 100 (mixed integrity). This reflects highly processed and moderate additive load. This is a flavored popcorn that starts from a simple base but adds several refined and additive-type ingredients to build its sweet-salty flavor, color, and shelf life. It fits better as an occasional snack than an everyday staple. The biggest drags on the score are the refined oil and syrup, the flavor and color systems, and the antioxidant helpers. Main considerations include refined canola oil and corn syrup, caramel color and natural flavors, and emulsifier and antioxidant helpers. Simpler options: Choose popcorn with olive oil or a short ingredient list; look for flavor seasoning without vague natural flavors or color additives.
Food Integrity Score 62/100
What stood out on the label?
- Highly processed
- Moderate additive load
- Transparency: High
What to watch?
- Refined canola oil and corn syrup
- Caramel color and natural flavors
- Emulsifier and antioxidant helpers
Simpler options to consider
- Choose popcorn with olive oil or a short ingredient list
- Look for flavor seasoning without vague natural flavors or color additives
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
- Smartfood Sweet & Salty Kettle Corn Flavored Popcorn
- Brand
- Smartfood
- Category
- Snacks (source: Popcorn, Peanuts, Seeds & Related Snacks)
- GTIN / UPC
00028400314008- Serving size
- 28 g
- 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

Sweet & Salty Kettle Corn Flavored Popcorn
Smartfood
Mixed integrity
Warning Signs
Canola oil, corn syrup, and caramel color stack refined inputs and color engineering onto a basic popcorn base.
Consider This
Soy lecithin, natural flavors, and rosemary extract (antioxidant) are formulation helpers typical of factory-formulated snack foods.
Good Substitutes
Air-popped popcorn tossed with a little olive oil, sea salt, and a light dusting of sugar gives you the same sweet-salty flavor.
Overall Assessment
Mixed integrityThis is a flavored popcorn that starts from a simple base but adds several refined and additive-type ingredients to build its sweet-salty flavor, color, and shelf life. It fits better as an occasional snack than an everyday staple. The biggest drags on the score are the refined oil and syrup, the flavor and color systems, and the antioxidant helpers.
Key Highlights
What stood out
- Refined canola oil and corn syrup
- Caramel color and natural flavors
- Emulsifier and antioxidant helpers
Family Watchlist
Ingredients some users may personally want to know about.
- Canola oil — Refined seed oil
- Corn syrup — Refined syrup sweetener
- Caramel color — Color additive
- Natural flavors — Vague flavor system
- Soy lecithin — Emulsifier
Highest concern ingredients
- Canola oil (6/10) — Refined seed oil base.
- Corn syrup (6/10) — Refined syrup sweetener.
- Natural flavors (6/10) — Vague flavor system.
Better choice tips
- Choose popcorn with olive oil or a short ingredient list.
- Look for flavor seasoning without vague natural flavors or color additives.
Ingredients
Ingredient list
SUGAR, POPCORN, CANOLA OIL, CORN SYRUP, SALT, SOY LECITHIN, CARAMEL COLOR, NATURAL FLAVORS, ROSEMARY EXTRACT (ANTIOXIDANT), AND ASCORBIC ACID (ANTIOXIDANT).
Formulations can vary — check the package label for the final word.
Highest-concern ingredients first. Expand an item for notes.
Canola oilConcern 6/10 — Moderate concernRefined oilWatchlist
What this is
Refined oil
Processing category
Processed
Main concern area
Family Watchlist
Why it matters
Refined seed oils are commonly flagged by users who prefer simpler fats.
Additional note
Refined seed oil used for popping and coating.
Family watchlist
Refined seed oil
Corn syrupConcern 6/10 — Moderate concernSweetenerWatchlist
What this is
Sweetener
Processing category
Processed
Main concern area
Family Watchlist
Why it matters
Refined corn syrup is a highly processed sweetener some users want to track.
Additional note
Refined syrup adding sweetness and texture.
Family watchlist
Refined syrup sweetener
Caramel colorConcern 6/10 — Moderate concernColor additiveWatchlist · Additive
What this is
Color additive
Processing category
Synthetic / man-made
Main concern area
Family Watchlist
Why it matters
Color additives are cosmetic formulation inputs many users want flagged.
Additional note
Color additive for appearance.
Natural flavorsConcern 6/10 — Moderate concernVague ingredientWatchlist · Additive · Vague label term
What this is
Vague ingredient
Processing category
Unknown / not listed
Main concern area
Family Watchlist
Why it matters
Vague flavor systems hide specific inputs from the label.
Additional note
Broad flavor system with undisclosed components.
Family watchlist
Vague flavor system
View all 10 ingredient assessments
Soy lecithinConcern 5/10 — Moderate concernEmulsifierWatchlist · Additive
What this is
Emulsifier
Processing category
Processed
Main concern area
Additive load
Why it matters
Emulsifiers are formulation helpers some users prefer to avoid.
Additional note
Emulsifier helping blend oil and coating.
Rosemary extract (antioxidant)Concern 4/10 — Mild concernPreservativeWatchlist · Additive
What this is
Preservative
Processing category
Processed
Main concern area
Additive load
Why it matters
Antioxidant preservatives are shelf-life helpers some users want to track.
Additional note
Plant extract used to preserve freshness.
Family watchlist
Preservative antioxidant
SugarConcern 3/10 — Mild concernSweetenerWatchlist
What this is
Sweetener
Processing category
Natural refined
Main concern area
Ingredient concern
Why it matters
Refined sugar is a common sweetener some users prefer to limit.
Additional note
Refined sweetener added for flavor.
Family watchlist
Refined sweetener
Ascorbic acid (antioxidant)Concern 3/10 — Mild concernPreservativeAdditive
What this is
Preservative
Processing category
Processed
Main concern area
Additive load
Why it matters
Added antioxidant helpers extend shelf life.
Additional note
Vitamin C used as an antioxidant for freshness.
SaltConcern 1/10 — Very low concernSimple food
What this is
Simple food
Processing category
Natural refined
Why it matters
Standard seasoning with minimal formulation concern.
Additional note
Basic seasoning.
PopcornConcern 0/10 — No meaningful concernSimple food
What this is
Simple food
Processing category
Whole food
Why it matters
Recognizable whole grain base with no added concern.
Additional note
Whole grain base, category-normal.
This Food Integrity score estimates how close a food's ingredient profile is to simple, recognizable ingredients. 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", "corn syrup". 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", "corn syrup". 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 "corn syrup", "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 "corn syrup", "sugar", "syrup". See ingredients for details.)
This product has 1 additional signal for this goal.
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", "soy". 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.
Low Gluten Eating
NeutralDietary Patterns
For someone prioritizing Low Gluten Eating, 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 Smartfood Sweet & Salty Kettle Corn Flavored Popcorn 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?
Smartfood Sweet & Salty Kettle Corn Flavored Popcorn shows about 1.99g of fiber per labeled serving in the Longevity nutrition facts.
Does it contain added sugar?
Smartfood Sweet & Salty Kettle Corn Flavored Popcorn: 12g added sugar per serving; sweetener signals include Sugar, Corn syrup. Confirm the current package Nutrition Facts and ingredient list.
What helped the Longevity Score?
Key positives called out in the analysis include: Popcorn base provides some whole-grain fiber; Lower sodium than many salty snacks; Modest calorie portion at 28 g.
What prevented a perfect Longevity Score?
Key concerns noted include: Sugar and corn syrup add notable added sugar; Canola oil and caramel color add processing; Very low protein for the calories.
Who might evaluate this product differently?
People prioritizing different goals (for example lower carbs, higher protein, or minimally processed eating) may weigh the same snacks 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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