Healthy Food Guide by KarbCoach
Brunswick Sardine Fillets In Mustard & Dill Sauce: Food Integrity analysis
Quick answer
Mixed integrity
Brunswick sardine fillets in mustard & dill sauce received a Food Integrity Score of 63 out of 100 (mixed integrity). This reflects highly processed and moderate additive load. Herring is the anchor here, but the sauce is doing a lot of work with refined soybean oil, thickeners, color extractives, and a vague spice blend. It's a reasonable occasional pantry item, not something to build your routine around, especially if you prefer simpler labels. Main considerations include refined soybean oil in the sauce, modified cornstarch and xanthan gum texture helpers, and vague spices and concentrated color extracts. Simpler options: Look for sardines packed in olive oil or water with fewer added thickeners and colors; make a simple mustard-dill dressing at home to pair with plain sardines.
Food Integrity Score 63/100
What stood out on the label?
- Highly processed
- Moderate additive load
- Transparency: Medium
What to watch?
- Refined soybean oil in the sauce
- Modified cornstarch and xanthan gum texture helpers
- Vague spices and concentrated color extracts
Simpler options to consider
- Look for sardines packed in olive oil or water with fewer added thickeners and colors
- Make a simple mustard-dill dressing at home to pair with plain sardines
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
- Brunswick Sardine Fillets In Mustard & Dill Sauce
- Brand
- Brunswick
- Category
- Seafood (source: Canned Seafood)
- GTIN / UPC
00066613028619- Serving size
- 106 g (106 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

Sardine Fillets In Mustard & Dill Sauce
Brunswick
Mixed integrity
Warning Signs
Soybean oil, modified cornstarch, and xanthan gum make this sardine jar more formulated than the fish alone suggests.
Consider This
Modified cornstarch, xanthan gum, and vague "spices" plus color extractives are typical of factory-formulated sauces.
Good Substitutes
Sardines packed in olive oil or water with mustard, dill, and vinegar you add yourself keeps the flavor with far fewer helpers.
Overall Assessment
Mixed integrityHerring is the anchor here, but the sauce is doing a lot of work with refined soybean oil, thickeners, color extractives, and a vague spice blend. It's a reasonable occasional pantry item, not something to build your routine around, especially if you prefer simpler labels.
Key Highlights
What stood out
- Refined soybean oil in the sauce
- Modified cornstarch and xanthan gum texture helpers
- Vague spices and concentrated color extracts
Family Watchlist
Ingredients some users may personally want to know about.
- Soybean Oil — Refined industrial seed oil
- Modified Cornstarch — Modified starch texture helper
- Tumeric (Color) — Added color
- Xanthan Gum — Gum thickener and stabilizer
- Spices — Vague spice blend
- Extractives of Tumeric (Color) and Annatto (Color) — Concentrated color extracts
Highest concern ingredients
- Xanthan Gum (7/10) — Gum thickener and stabilizer
- Extractives of Tumeric (Color) and Annatto (Color) (7/10) — Concentrated color extracts
- Soybean Oil (6/10) — Refined industrial seed oil
Better choice tips
- Look for sardines packed in olive oil or water with fewer added thickeners and colors.
- Make a simple mustard-dill dressing at home to pair with plain sardines.
Ingredients
Ingredient list
INGREDIENTS: HERRING, WATER, MUSTARD, SOYBEAN OIL, MODIFIED CORNSTARCH, SALT, SUGAR, ACETIC ACID, TUMERIC (COLOR), DILL, XANTHAN GUM, SPICES, EXTRACTIVES OF TUMERIC (COLOR) AND ANNATTO (COLOR)
Formulations can vary — check the package label for the final word.
Highest-concern ingredients first. Expand an item for notes.
Xanthan GumConcern 7/10 — Higher concernThickenerWatchlist · Additive
What this is
Thickener
Processing category
Synthetic / man-made
Main concern area
Family Watchlist
Why it matters
Gums are texture and stability helpers that many users want flagged.
Additional note
Fermentation-derived thickener and stabilizer.
Family watchlist
Gum thickener and stabilizer
Extractives of Tumeric (Color) and Annatto (Color)Concern 7/10 — Higher concernColor additiveWatchlist · Additive
What this is
Color additive
Processing category
Synthetic / man-made
Main concern area
Family Watchlist
Why it matters
Concentrated color extracts are added primarily to change appearance.
Additional note
Concentrated color extracts added for appearance.
Family watchlist
Concentrated color extracts
Soybean 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 often flagged by users watching industrial oil intake.
Additional note
Refined industrial seed oil added to the sauce.
Family watchlist
Refined industrial seed oil
Modified CornstarchConcern 6/10 — Moderate concernModified starchWatchlist · Additive
What this is
Modified starch
Processing category
Processed
Main concern area
Additive load
Why it matters
Modified starches are texture helpers that signal formulation work.
Additional note
Chemically or physically modified starch used for texture.
Family watchlist
Modified starch texture helper
View all 13 ingredient assessments
SpicesConcern 6/10 — Moderate concernVague ingredientWatchlist · Vague label term
What this is
Vague ingredient
Processing category
Unknown / not listed
Main concern area
Family Watchlist
Why it matters
Broad spice blends hide exact ingredients and sources.
Additional note
Broad category with unspecified sources and blends.
Family watchlist
Vague spice blend
Tumeric (Color)Concern 5/10 — Moderate concernColor additiveWatchlist · Additive
What this is
Color additive
Processing category
Processed
Main concern area
Family Watchlist
Why it matters
Added color signals appearance engineering rather than just flavor.
Additional note
Listed as a color, suggesting color-adjustment use.
Family watchlist
Added color ingredient
SugarConcern 4/10 — Mild concernSweetener
What this is
Sweetener
Processing category
Natural refined
Main concern area
Ingredient concern
Why it matters
Added refined sugar is a mild concern in savory sauces.
Additional note
Refined sugar added for flavor balance.
Acetic AcidConcern 4/10 — Mild concernAcidulantAdditive
What this is
Acidulant
Processing category
Synthetic / man-made
Main concern area
Additive load
Why it matters
Acetic acid is a functional acidulant, commonly used as a preservative.
Additional note
Acidulant that works as a preservative and flavor agent.
MustardConcern 1/10 — Very low concernSimple food
What this is
Simple food
Processing category
Whole food
Why it matters
Recognizable spice ingredient with minimal processing.
Additional note
Mustard seed or prepared mustard, a recognizable flavor ingredient.
HerringConcern 0/10 — No meaningful concernWhole food
What this is
Whole food
Why it matters
Recognizable whole protein source with no added formulation concern.
Additional note
Whole fish, the recognizable core of the product.
WaterConcern 0/10 — No meaningful concernSimple food
What this is
Simple food
Processing category
Whole food
Why it matters
Simple, recognizable base with no concern.
Additional note
Plain water used as the sauce base.
SaltConcern 0/10 — No meaningful concernSimple food
What this is
Simple food
Processing category
Whole food
Why it matters
Traditional seasoning with no formulation concern.
Additional note
Basic seasoning and preservative salt.
DillConcern 0/10 — No meaningful concernSimple food
What this is
Simple food
Processing category
Whole food
Why it matters
Recognizable herb with no concern.
Additional note
Herb used for flavor.
This Food Integrity score estimates how close a food appears to a simple, recognizable ingredient 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.
Heart-Healthy Eating
Watch-outsMetabolic Health
For someone prioritizing Heart-Healthy Eating, the analysis identifies considerations that may matter more than the general product score alone.
A consideration: Added-sodium ingredients (Mentions "salt". 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: Added-sugar cues (Mentions "sugar". See ingredients for details.)
Low-Spike Stability
NeutralMetabolic Health
For someone prioritizing Low-Spike Stability, the Food Integrity data do not show a strong matching signal for this product.
GLP-1 Eating Support
NeutralMetabolic Health
For someone prioritizing GLP-1 Eating Support, the Food Integrity data do not show a strong matching signal for this product.
Low Sugar Lifestyle
NeutralMetabolic Health
For someone prioritizing Low Sugar Lifestyle, the Food Integrity data do not show a strong matching signal for this product.
Appetite & Portion Awareness
NeutralMetabolic Health
For someone prioritizing Appetite & Portion Awareness, 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-Carb Lifestyle
NeutralDietary Patterns
For someone prioritizing Low-Carb Lifestyle, the Food Integrity data do not show a strong matching signal for this product.
Keto-Style Eating
NeutralDietary Patterns
For someone prioritizing Keto-Style Eating, 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 Brunswick Sardine Fillets In Mustard & Dill Sauce 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?
Brunswick Sardine Fillets In Mustard & Dill Sauce shows about 0g of fiber per labeled serving in the Longevity nutrition facts.
Does it contain added sugar?
Brunswick Sardine Fillets In Mustard & Dill Sauce: 1g added sugar per serving; sweetener signals include sugar. Confirm the current package Nutrition Facts and ingredient list.
What helped the Longevity Score?
Key positives called out in the analysis include: Good protein (17g) from whole fish; Low sugar and carbohydrates per serving; Few core ingredients, mostly recognizable.
What prevented a perfect Longevity Score?
Key concerns noted include: Sodium is high for one serving (~520mg); Soybean oil is a prominent seed oil; Artificial-style colors (turmeric and annatto extracts).
Who might evaluate this product differently?
People prioritizing different goals (for example lower carbs, higher protein, or minimally processed eating) may weigh the same seafood 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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