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Korolshteyn v. Costco Wholesale Corporation

  1. August 24, 2017

    Costco, NBTY Escape Supplement Label Class Action

    A California federal judge Wednesday tossed a class action alleging NBTY Inc. and Costco Wholesale Corp. falsely advertised that a supplement improves mental alertness and memory, saying the labeling can't be unequivocally false given the existence of studies backing the claims.

  2. May 24, 2017

    Costco, NBTY Can't Shake Supplement Label Row, Court Told

    A consumer told a California federal court on Tuesday that Costco and NBTY aren't entitled to a quick win in a class action accusing them of falsely advertising that a ginkgo biloba product improves mental alertness and memory, saying that the evidence makes it clear the supplement is no better than a placebo.

  3. March 17, 2017

    Costco Shoppers Score Cert. In Supplement Labeling Suit

    A California federal judge on Thursday granted class certification in a suit alleging that NBTY Inc. and Costco Wholesale Corp. falsely touted a ginkgo biloba product as improving mental alertness and memory, concluding that the shoppers fulfill all the class requirements.