93
/ 100
True
Costco is facing a lawsuit related to protein powder.
Infact verdict: True (93/100).
The claim that Costco is being sued over protein powder is supported by strong evidence. Multiple sources confirm that a class-action lawsuit has been filed against Costco for allegedly selling Orgain protein powders contaminated with toxic heavy metals. The lawsuit was filed recently, and the details are corroborated by reputable legal sources. This results in a high factScore and confidenceScore, indicating the claim is accurate and well-supported by the evidence.
How is this score determined? →Individual claims
93
True
Business
Costco is being sued over protein powder.
The evidence confirms that Costco is indeed facing a lawsuit related to protein powder. Multiple sources, including Hagens Berman, report that a class-action lawsuit has been filed against Costco for allegedly selling Orgain protein powders contaminated with toxic heavy metals like lead, cadmium, and arsenic without warning consumers. The lawsuit was filed in the U.S. District Court for the Western District of Washington on July 7, 2026. This information is corroborated by multiple web sources, providing a high level of confidence in the claim's accuracy.
Fact Check Score
None
Fact Check Weight
0
Web Consensus Score
90
Web Consensus Weight
50
Source Quality Score
90
Source Quality Weight
25
Llm Reasoning Score
85
Llm Reasoning Weight
25
Weighted Total
93
Evidence Summary
Multiple web sources confirm a lawsuit against Costco over protein powder contamination.
