Costco Ingredients Exposed

We analyzed 6 products from Costco and found an average safety score of 48/100 (Grade: D). 33% of products contain seed oils, 0% have artificial colors, and 0% contain preservatives.

D
Brand Grade
48/100
Avg Score
6
Products Analyzed
33%
Contain Seed Oils
0%
Artificial Colors
0%
Preservatives

📊 vs Industry Average

Costco's average score of 48/100 is 13 points below the industry average of 61/100 (C).

Costco's Worst Products

These are the lowest-scoring products from Costco — the ones with the most concerning ingredients.

#ProductScoreFlagged Ingredients
1Butter Dinner Roll24/100e471
2Nut Bars33/100e170, e170i, e322, e322i
3Extra Fancy Salted Mixed Nuts34/100None flagged
4Costco45/100monoglycerides, ascorbyl palmitate, mixed tocopherol concentrate
5Country French Bread63/100None flagged
6Pure Vanilla Extract90/100None flagged

Costco's Best Products

Not everything from Costco is bad. These are their cleanest options.

#ProductScoreFlagged Ingredients
1Pure Vanilla Extract90/100Clean label ✓
2Country French Bread63/100Clean label ✓
3Costco45/100monoglycerides, ascorbyl palmitate, mixed tocopherol concentrate
4Extra Fancy Salted Mixed Nuts34/100Clean label ✓
5Nut Bars33/100e170, e170i, e322, e322i
6Butter Dinner Roll24/100e471

Most Common Flagged Ingredients

These are the ingredients that appear most frequently across Costco products and have been flagged by our analysis.

ascorbyl palmitate (1)e170 (1)e170i (1)e322 (1)e322i (1)e471 (1)mixed tocopherol concentrate (1)monoglycerides (1)

Ingredient Frequency Analysis

How often concerning ingredients show up across all Costco products we tested.

ascorbyl palmitate1 products (17%)
e1701 products (17%)
e170i1 products (17%)
e3221 products (17%)
e322i1 products (17%)
e4711 products (17%)
mixed tocopherol concentrate1 products (17%)
monoglycerides1 products (17%)

How to Shop Costco Safely

  1. Download CheckIt AI — scan any Costco product with your phone camera, no barcode needed.
  2. Check the score — products scoring 70+ are considered clean. Below 40 means avoid.
  3. Stick to the best list — products like Pure Vanilla Extract score much higher than the brand average.
  4. Compare alternatives — use the app to find cleaner swaps from other brands.
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Frequently Asked Questions

Is Costco healthy?
Costco products have an average safety score of 48/100, earning a grade of D. This is 13 points below the industry average of 61/100. 33% of their products contain seed oils and 0% contain artificial colors.
What are Costco's worst products?
The lowest-scoring Costco products include Butter Dinner Roll (24/100), Nut Bars (33/100), Extra Fancy Salted Mixed Nuts (34/100).
What are Costco's best products?
The highest-scoring Costco products include Pure Vanilla Extract (90/100), Country French Bread (63/100), Costco (45/100).
Does Costco use seed oils?
33% of Costco products in our database contain seed oils like soybean oil, canola oil, or sunflower oil.
Does Costco use artificial colors?
0% of Costco products contain artificial colors such as Red 40, Yellow 5, Yellow 6, Blue 1, or Red 3.
Does Costco use preservatives?
0% of Costco products contain preservatives like BHA, BHT, TBHQ, or sodium benzoate.

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📋 Cite This Data
APACheckIt AI. (2026). "Is Costco Healthy? 48/100 Score — 6 Products Exposed | CheckIt AI". Climaverse PBC. Retrieved from https://getcheck.it/brand-exposed/costco
MLA"Is Costco Healthy? 48/100 Score — 6 Products Exposed | CheckIt AI." CheckIt AI, Climaverse PBC, 2026-03-05. https://getcheck.it/brand-exposed/costco.
HTML Embed<a href="https://getcheck.it/brand-exposed/costco">Is Costco Healthy? 48/100 Score — 6 Products Exposed | CheckIt AI — CheckIt AI</a>
BibTeX@misc{checkit2026brandexposedcostco, title = {Is Costco Healthy? 48/100 Score — 6 Products Exposed | CheckIt AI}, author = {CheckIt AI}, year = {2026}, publisher = {Climaverse PBC}, url = {https://getcheck.it/brand-exposed/costco}, note = {Retrieved 2026-03-05} }