Costco Faces Class-Action Lawsuit Alleging Protein Powder Was Laced with Toxic Heavy Metals

Costco faces class-action lawsuit alleging protein powder was laced with toxic heavy metals

Costco is facing a class-action lawsuit accusing the wholesale retailer of selling protein powders containing high levels of toxic metals – and misleading consumers by marketing the products as “good clean fuel.”

Costco sued over protein powder

The lawsuit alleges Costco violated the Washington Consumer Protection Act by knowingly excluding a warning about the presence of heavy metals in the product.

Costco Faces Lawsuit Over Alleged Heavy Metals in Orgain Protein

Class-action complaint claims retailer failed to warn consumers about lead, cadmium and arsenic; no recall announced Seattle, July 9, 2026: Costco Wholesale Corporation is facing a proposed class-action lawsuit in the United States after consumers alleged that the retailer sold Orgain plant-based protein powder containing dangerous levels of heavy metals without adequately warning customers. The […] The post Costco Faces Lawsuit Over Alleged Hea…