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'Awful Chemical Taste And Smell': Costco's Worst-Rated Kirkland Brand Food By Jessica Riggio Dec. 7, 2025 1:00 pm EST

Have you ever had a snack that smelled, as one reviewer described it, like "a nail salon"? Customers claim a unique, acrylic, and chemical scent wafts out of the bag when they dive into one of Costco's worst-rated Kirkland Signature products. At first glance, it looks like a great deal — 80 bite-sized muffins for about $10 — but reviews tell a different story for Kirkland Signature Chocolate Chip Mini Muffin Bites. Shoppers who took a risk on these prepackaged muffins say they wouldn't recommend them to anyone, and they won't buy them again.

These bite-sized muffins are sold in packages of four, with 20 in a box. Each package contai

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