We analyzed 11 products from Costco. The brand averages a safety score of 54/100, earning an overall grade of D. 36% of their products contain seed oils.
⚠️ Worst Product
Butter Dinner Roll — 24/100
| Product | Score | Flagged Ingredients |
|---|---|---|
| Butter Dinner Roll | 24/100 | e471 |
| Roasted Garlic and Herb Seasoned Almonds | 33/100 | None flagged |
| Nut Bars | 33/100 | e170, e170i, e322, e322i |
| Extra Fancy Salted Mixed Nuts | 34/100 | None flagged |
| Belgian Luxury Chocolates | 35/100 | natural and artificial flavours, mono and di-glycerides |
| Costco | 45/100 | monoglycerides, ascorbyl palmitate, mixed tocopherol concentrate |
| Organic brown sugar | 53/100 | None flagged |
| Country French Bread | 63/100 | None flagged |
| Organic Avocado Oil | 88/100 | None flagged |
| Alaskan Sockeye Salmon Burgers | 90/100 | e428 |
| Organic Avocado Oil | 95/100 | None flagged |
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CheckIt AI. (2026). "Costco Safety Score: 54/100 — 11 Products Analyzed | CheckIt AI". Climaverse PBC. Retrieved from https://getcheck.it/brand/costco"Costco Safety Score: 54/100 — 11 Products Analyzed | CheckIt AI." CheckIt AI, Climaverse PBC, 2026-04-16. https://getcheck.it/brand/costco.<a href="https://getcheck.it/brand/costco">Costco Safety Score: 54/100 — 11 Products Analyzed | CheckIt AI — CheckIt AI</a>@misc{checkit2026brandcostco,
title = {Costco Safety Score: 54/100 — 11 Products Analyzed | CheckIt AI},
author = {CheckIt AI},
year = {2026},
publisher = {Climaverse PBC},
url = {https://getcheck.it/brand/costco},
note = {Retrieved 2026-04-16}
}