10 Worst Chips at Costco in 2026

⚠️ We analyzed chips available at Costco and ranked them by ingredient safety score. Here are the worst options based on real ingredient data.

#ProductBrandScoreAdditivesSeed Oils
1 Mini Muffin Bites Chocolate Chip Kirkland Signature 7/100 14 2
2 Soft & Chewy Granola Bars, Chocolate Chip Kirkland Signature 27/100 7 5
3 Chocolate Chip Cookies Kirkland Signature 28/100 4 None
4 CHOCOLATE CHIP COOKIES, CHOCOLATE CHIP Costco Companies Inc. 28/100 4 None
5 Semi-Sweet Chocolate Chips Kirkland Signature 30/100 2 None
6 Cinnamon Chip Muffin Kirkland 35/100 2 3
7 Mini Thin & Crispy Chocolate Chip Cookies Kirkland 35/100 None None
8 Chocolate Chip Soft & Chewy Granola Bar Kirkland Signature 45/100 3 1
9 Chocolate Chip, Soft & Chewy Granola Bars Kirkland • Costco 45/100 1 1
10 Chocolate Chip Cookie Dough Protein Bar Kirkland Signature 49/100 4 1

See also: Healthiest Chips at Costco

How We Rank Chips at Costco

Our rankings analyze every ingredient in each product against a database of 500+ additives, preservatives, artificial colors, seed oils, and allergens. Each product gets a score from 0 to 100:

Frequently Asked Questions

What are the worst chips at Costco?
Based on our ingredient analysis, the #1 worst chips at Costco is Mini Muffin Bites Chocolate Chip by Kirkland Signature with a score of 7/100.
How many chips at Costco did you test?
We analyzed chips products available at Costco, scoring each for additives, seed oils, allergens, and overall ingredient safety.
How often are these rankings updated?
Rankings are updated as new products are scanned and added to our database. All scores reflect the current formulation of each product.

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📋 Cite This Data
APACheckIt AI. (2026). "10 Worst Chips at Costco in 2026 — Ranked by Ingredient Safety | CheckIt AI". Climaverse PBC. Retrieved from https://getcheck.it/worst/chips-at-costco
MLA"10 Worst Chips at Costco in 2026 — Ranked by Ingredient Safety | CheckIt AI." CheckIt AI, Climaverse PBC, 2026-04-17. https://getcheck.it/worst/chips-at-costco.
HTML Embed<a href="https://getcheck.it/worst/chips-at-costco">10 Worst Chips at Costco in 2026 — Ranked by Ingredient Safety | CheckIt AI — CheckIt AI</a>
BibTeX@misc{checkit2026worstchipsatcostco, title = {10 Worst Chips at Costco in 2026 — Ranked by Ingredient Safety | CheckIt AI}, author = {CheckIt AI}, year = {2026}, publisher = {Climaverse PBC}, url = {https://getcheck.it/worst/chips-at-costco}, note = {Retrieved 2026-04-17} }