Costco Hit With Claims 'Grain-Free' Dog Food Contains Wheat

Law360 (November 4, 2020, 3:30 PM EST) -- A proposed class of consumers says Costco Wholesale Corp.'s Kirkland dog food purports to be "grain free" while in reality it contains wheat and other "unlisted ingredients," according to a suit filed in Washington federal court Tuesday.

The dog food buyers said Schell & Kampeter Inc., doing business as Diamond Pet Foods Inc., and Costco, which sells the company's Kirkland brand dog foods, misrepresented the foods as "grain free" and "limited ingredient" when the products in fact contain "cheap fillers."

The proposed class representatives claim their "independent analysis" using "the industry standard Q‐PCR method of DNA testing" found that the products...

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