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Kirkland Signature Wild Alaskan Fish Oils

Class Action

Kirkland Signature Wild Alaskan Fish Oils

In February 2018, a class-action lawsuit was filed against Costco for allegedly falsely marketing Kirkland Signature Wild Alaskan Fish Oil as containing 1,050 mg unsaturated fatty acids consisting of 330…

Optifiber Natural Prebiotic Fiber Supplement

Class Action

Optifiber Natural Prebiotic Fiber Supplement

In September 2020, a class-action lawsuit was filed against Costco Wholesale Corp. for allegedly falsely marketing Optifiber Natural Prebiotic Fiber Supplement as “natural” when, according to plaintiffs, the supplement contains…

Kirkland Pet Foods

Class Action

Kirkland Pet Foods

Allegations: Misleadingly marketing pet foods as “grain free” and containing only certain ingredients when they contain wheat and other unlisted ingredients