Kirkland Signature Report Card — Is Kirkland Signature Healthy?

We scanned 77 Kirkland Signature products and graded every one by ingredient quality — no sponsorships, no marketing bias. Just ingredient data. Kirkland Signature is owned by Costco Wholesale.

C
Overall Grade
65
Avg Score
77
Products Scanned
62%
Clean Label

Ingredient Breakdown

Products with seed oils: 21 (27%)
Products with additives: 31 (40%)
Score 70+ (clean): 48
Score below 40 (poor): 18
Highest score: 100/100
Lowest score: 0/100

Best Kirkland Signature Products (Highest Scores)

#1

Organic Tomato Paste

by Kirkland Signature

100
/ 100
1 additive

Checkit score 100/100. Clean ingredients.

#2

Kirkland Signature Organic Tomato Paste, 6oz Cans, 12-count

by Kirkland

100
/ 100
Clean label

Checkit score 100/100. Clean ingredients.

#3

Organic Salsa (Medium)

by Kirkland

100
/ 100
Clean label

Checkit score 100/100. Clean ingredients.

#4

All-purpose Flour

by Kirkland Signature

100
/ 100
Clean label

Checkit score 100/100. Clean ingredients.

#5

Almond Butter

by Kirkland Signature

100
/ 100
Clean label

Checkit score 100/100. Clean ingredients.

#6

Organic Chicken Sipping Bone Broth

by Kirkland

94
/ 100
2 additives

Checkit score 94/100. Clean ingredients.

#7

Minced California Garlic

by Kirkland

90
/ 100
1 additive

Checkit score 90/100. not organic.

#8

Chunk Chicken Breast

by Kirkland Signature

90
/ 100
Clean label

Checkit score 90/100. not organic.

#9

Pistachios

by Kirkland Signature

90
/ 100
Clean label

Checkit score 90/100. not organic.

#10

Organic Coconut Water

by Kirkland Signature

90
/ 100
Clean label

Checkit score 90/100. not organic.

Worst Kirkland Signature Products (Lowest Scores)

#1

Trail Mix

by Kirkland

0
/ 100
9 additives 4 seed oils

Checkit score 0/100. 3 high-risk additive(s). 2 moderate additive(s). contains corn starch, raisins coated in non hydrogenated sunflower oil. not organic.

#2

Trail Mix Snack Packs

by Kirkland,Kirkland Signature,M&M's

0
/ 100
9 additives 4 seed oils

Checkit score 0/100. 3 high-risk additive(s). 2 moderate additive(s). contains corn starch, corn syrup. not organic.

#3

Trail Mix

by Kirkland

1
/ 100
10 additives 8 seed oils

Checkit score 1/100. 3 high-risk additive(s). 2 moderate additive(s). contains non hydrogenated sunflower oil, sunflower oil. not organic.

#4

Kirkland Signature Dipped & Chewy Granola Bar Caramel

by Kirkland Signature

7
/ 100
8 additives 3 seed oils

Checkit score 7/100. 1 high-risk additive(s). contains corn syrup, canola oil. not organic.

#5

Seasoned rotisserie chicken

by Kirkland

12
/ 100
2 additives

Checkit score 12/100. 1 high-risk additive(s). not organic.

#6

Trail Mix

by Kirkland

18
/ 100
10 additives 4 seed oils

Checkit score 18/100. 3 high-risk additive(s). 2 moderate additive(s). contains canola oil, rapeseed oil. not organic.

#7

Keto Snack Mix

by Kirkland Signature

23
/ 100
2 additives

Checkit score 23/100. 1 moderate additive(s). not organic.

#8

Chicken Pot Pie

by Kirkland

24
/ 100
10 additives 14 seed oils

Checkit score 24/100. 1 high-risk additive(s). 3 moderate additive(s). contains corn starch, corn. not organic.

#9

Costco Rotisserie Chicken

by Kirkland

24
/ 100
2 additives

Checkit score 24/100. 1 high-risk additive(s). not organic.

#10

Kirkland Chocolate Chip Soft & Chewy Granola bar

by costco,kirkland

28
/ 100
6 additives 4 seed oils

Checkit score 28/100. contains canola oil, rapeseed oil. not organic.

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Frequently Asked Questions

Is Kirkland Signature healthy?

Based on our scan of 77 products, Kirkland Signature earns an overall grade of C with an average ingredient score of 65/100. 62% of their products have clean ingredient labels. Many products score well.

Does Kirkland Signature use seed oils?

27% of Kirkland Signature products we scanned contain seed oils (canola, soybean, sunflower, etc.). Some products are seed-oil free — check individual product pages.

What is Kirkland Signature's worst product?

The lowest-scoring product we found is "Trail Mix" with a score of 0/100.

Compare Other Brands

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Scores based on ingredient analysis. CheckIt provides ingredient information and context, not medical advice. Not affiliated with Kirkland Signature.

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Ingredient Safety

Red 40Yellow 5Yellow 6AspartameBHABHTSodium NitriteCarrageenanSucraloseTitanium DioxidePotassium BromateHigh Fructose Corn SyrupMSGSodium BenzoateTBHQPolysorbate 80Red 3Caramel ColorSoy LecithinNatural FlavorsAcesulfame-KMaltodextrinXanthan GumGuar GumCitric AcidErythritolBlue 1Propyl GallateMono & DiglyceridesPectinAcacia GumAgarAnnattoAutolyzed YeastAzodicarbonamideBVOCalcium PropionateCarnauba WaxCelluloseDATEMDisodium InosinateGellan GumKonjacLocust Bean GumMethylcelluloseSodium AlginateSodium Aluminum PhosphateTragacanth Gum

Food Safety Answers

Is Red 40 Banned in Europe?What Foods Have Seed Oils?Is Carrageenan Safe?Worst Food AdditivesIs BHA Safe?Does Gatorade Have Food Dye?Titanium Dioxide in FoodIs Aspartame Safe?Is Sodium Nitrite Dangerous?Is MSG Bad for You?What Is HFCS?Is Sucralose Safe?Food Dye Banned in Europe?Is Potassium Bromate Banned?What Is Natural Flavors?Is Soy Lecithin Bad?Is Maltodextrin Bad?Is Xanthan Gum Safe?Is Red 3 Banned?Is TBHQ Bad?Foods Banned in Other CountriesIs Citric Acid Bad?What Is Polysorbate 80?Is Caramel Color Safe?Is Palm Oil Bad?What Is Cellulose in Food?Is Acesulfame-K Safe?Is Erythritol Safe?Is Guar Gum Safe?Is Food in America Safe?Cheerios & PesticidesBest Food Scanner AppHow to Read Food LabelsIs Yellow 5 Safe?Are Preservatives Bad?Artificial Sweetener SafetyIs Canola Oil Bad?Hidden Names for SugarFoods That Cause InflammationIs Annatto Safe?Is Azodicarbonamide Safe?Is Calcium Propionate Safe?Is Carnauba Wax Safe?Is Gelatin Halal?Is Locust Bean Gum Safe?Mono & Diglycerides SafetyIs Pectin Safe?Propylene Glycol in FoodWhat Is Agar Agar?What Is BVO?What Is DATEM?What Is Sodium Alginate?What Is Sodium Benzoate?

Cleanest Rankings

Cleanest Protein BarsCleanest CerealCleanest YogurtCleanest ChipsCleanest SnacksCleanest BreadCleanest SaucesCleanest JuiceCleanest CookiesCleanest CandyCleanest Ice CreamCleanest PastaCleanest Baby FoodCleanest Energy DrinksCleanest Protein PowderCleanest Frozen MealsCleanest CondimentsCleanest SodaCleanest Pet Food

Free-From Finder

Protein Bars Without Seed OilsCereal Without Artificial ColorsSnacks Without PreservativesYogurt Without Artificial SweetenersChips Without Seed OilsCookies Without Artificial ColorsCandy Without Artificial ColorsSoda Without Artificial SweetenersFrozen Meals Without MSGBaby Food Without SugarEnergy Drinks Without SweetenersProtein Bars Without SweetenersSnacks Without Seed OilsCereal Without SugarBread Without PreservativesIce Cream Without CarrageenanPasta Without Gluten

Store Scan Results

Costco Protein Bars RankedWalmart Cereal RankedTarget Snacks RankedWhole Foods Yogurt RankedKroger Bread RankedAldi Snacks RankedCostco Snacks RankedWalmart Chips RankedTarget Cookies RankedTrader Joe's Snacks RankedWhole Foods Bread RankedWalmart Juice RankedTarget Cereal RankedWalmart Bread RankedKroger Snacks RankedAldi Cereal RankedWhole Foods Snacks RankedKroger Cereal RankedAldi Bread RankedTrader Joe's Cereal RankedCostco Bread Ranked

Ingredient Comparisons

Red 40 vs Yellow 5Red 40 vs Yellow 6Aspartame vs SucraloseAspartame vs HFCSBHA vs BHTRed 40 vs AspartameCarrageenan vs Soy LecithinSucralose vs HFCSTBHQ vs BHATBHQ vs BHTRed 40 vs Titanium DioxideRed 40 vs Caramel ColorMSG vs Natural FlavorsSodium Benzoate vs Potassium BromateYellow 5 vs Red 3Polysorbate 80 vs CarrageenanXanthan Gum vs Guar GumRed 40 vs Red 3Erythritol vs SucraloseMaltodextrin vs HFCSAll Ingredient Comparisons

Store Reports

Walmart Report CardTarget Report CardCostco Report CardKroger Report CardWhole Foods Report CardTrader Joe's Report CardAldi Report CardSam's Club Report Card

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Worst & Best Rankings

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Recipe & Meal Guides

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Store Allergy Guides

GF + DF Snacks at WalmartGF + DF Snacks at CostcoGF + DF Snacks at KrogerGF + DF Snacks at TargetGF + DF Snacks at ALDINut-Free Snacks at WalmartNut-Free Breakfast at CostcoVegan GF Dinner at KrogerDF + SF Lunch at WalmartGF + DF + SF at CostcoTop 8 Free at KrogerSeed Oil Free + GF at Walmart

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Safe for Conditions

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Store Diet Guides

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Diet Product Finder

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Banned in Europe

All Banned IngredientsRed 40 (Allura Red)Yellow 5 (Tartrazine)Yellow 6 (Sunset Yellow)Red 3 (Erythrosine)Titanium DioxideBHABHTPotassium BromateBrominated Vegetable OilAzodicarbonamideTBHQ

Store Rankings

All Store RankingsWorst Snacks at WalmartWorst Cereal at CostcoWorst Candy at TargetBest Snacks at WalmartBest Snacks at CostcoBest Snacks at Trader Joe'sBest Cereal at Whole FoodsBest Yogurt at TargetWorst Chips at KrogerBest Bread at ALDI

GLP-1 Friendly Foods

All GLP-1 Friendly FoodsGLP-1 Protein BarsGLP-1 YogurtGLP-1 SnacksGLP-1 CerealGLP-1 JerkyGLP-1 Protein Bars at WalmartGLP-1 Snacks at CostcoGLP-1 Yogurt at Trader Joe'sGLP-1 Cereal at Target

Hidden Ingredient Names

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Ultra-Processed Rankings

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Ingredient Side Effects

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Brand Exposure Reports

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📋 Cite This Data
APACheckIt AI. (2026). "Is Kirkland Signature Healthy? 77 Products Scanned & Graded — Kirkland Signature Report Card | CheckIt AI". Climaverse PBC. Retrieved from https://getcheck.it/brand/kirkland
MLA"Is Kirkland Signature Healthy? 77 Products Scanned & Graded — Kirkland Signature Report Card | CheckIt AI." CheckIt AI, Climaverse PBC, 2026-03-05. https://getcheck.it/brand/kirkland.
HTML Embed<a href="https://getcheck.it/brand/kirkland">Is Kirkland Signature Healthy? 77 Products Scanned & Graded — Kirkland Signature Report Card | CheckIt AI — CheckIt AI</a>
BibTeX@misc{checkit2026brandkirkland, title = {Is Kirkland Signature Healthy? 77 Products Scanned & Graded — Kirkland Signature Report Card | CheckIt AI}, author = {CheckIt AI}, year = {2026}, publisher = {Climaverse PBC}, url = {https://getcheck.it/brand/kirkland}, note = {Retrieved 2026-03-05} }