We ranked the 5 lowest-scoring chips products at Costco based on real ingredient analysis. The average score is 45/100.
These products scored the lowest for ingredient safety among chips at Costco. Every product has been analyzed for additives, seed oils, allergens, and harmful chemicals.
| # | Product | Brand | Score | Flags |
|---|---|---|---|---|
| 1 | VALENCIA PEANUT BUTTER FILLED PRETZEL NUGGETS PRETZELS, PEANUT BUTTER | Costco Companies Inc. | 10/100 | 5 additives, 3 seed oils, 3 allergens |
| 2 | SEMI-SWEET CHOCOLATE CHIPS, SEMI-SWEET CHOCOLATE | Costco Companies Inc. | 30/100 | 2 additives, 2 allergens |
| 3 | HIMALAYAN SALT KRINKLE CUT POTATO CHIPS, HIMALAYAN SAIT | Costco Companies Inc. | 51/100 | 4 seed oils |
| 4 | Kirkland Organic Tortilla Chips | Unknown | 63/100 | 2 seed oils |
| 5 | Kirkland tortilla chips | Unknown | 70/100 | 3 seed oils |
The most common issues include artificial additives, seed oils, and artificial colors. Many of these products contain ingredients that are banned or restricted in the EU but still legal in the US.
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CheckIt AI. (2026). "Worst Chips at Costco — 5 Products Ranked by Ingredient Safety | CheckIt AI". Climaverse PBC. Retrieved from https://getcheck.it/worst-at/costco/chips"Worst Chips at Costco — 5 Products Ranked by Ingredient Safety | CheckIt AI." CheckIt AI, Climaverse PBC, 2026-03-05. https://getcheck.it/worst-at/costco/chips.<a href="https://getcheck.it/worst-at/costco/chips">Worst Chips at Costco — 5 Products Ranked by Ingredient Safety | CheckIt AI — CheckIt AI</a>@misc{checkit2026worstatcostcochips,
title = {Worst Chips at Costco — 5 Products Ranked by Ingredient Safety | CheckIt AI},
author = {CheckIt AI},
year = {2026},
publisher = {Climaverse PBC},
url = {https://getcheck.it/worst-at/costco/chips},
note = {Retrieved 2026-03-05}
}