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Barton et al v. Costco Wholesale Corporation

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Case Number:

2:26-cv-02364

Court:

Washington Western

Nature of Suit:

Other Statutory Actions

Multi Party Litigation:

Class Action

Judge:

Kymberly K. Evanson

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Companies

Sectors & Industries:

  1. September 21, 2026

    Costco Says It Didn't Say 'Zero Heavy Metals' In Protein Powder

    "Good, clean nutrition" doesn't actually mean "free of lead," Costco Wholesale Corp. told a Washington federal court on Friday as it pushed for dismissal of a proposed class action claiming its Orgain protein powders contained dangerous levels of toxic heavy metals.

  2. July 08, 2026

    Costco Sued Over Reports Of Heavy Metals In Protein Powder

    Costco was hit with a proposed class action in Washington federal court Tuesday alleging the wholesale retailer knew the Orgain protein powders it sold at its warehouses and online risked containing dangerous levels of toxic heavy metals, but marketed them as providing "good, clean nutrition" and having "quality ingredients."