Since 2015, several false advertising class-action lawsuits have been filed against Quincy Bioscience regarding its marketing of Prevagen dietary supplements. More information on each lawsuit is below.

Case Name
(Date)
Allegations Status
Poole et al. v. Quincy Bioscience Holding Co., Inc. et al.
24-cv-1578, C.D. Cal.
(Feb. 2024)
Falsely marketing products as “clinically tested” to “improve[] memory” and “support[]: healthy brain function, sharper mind, and clearer thinking” Pending
Murrow et al. v. Quincy Bioscience Holding Co., Inc. et al.
23-cv-14893, N.D. Ill.
(Oct. 2023)
Falsely marketing products as “clinically tested” to improve memory and provide various brain health benefits Stayed
Collins et al. v. Quincy Bioscience, LLC
19-cv-22864, S.D. Fla.
(July 2019)
Falsely advertising that products improve memory and support healthy brain function, sharper mind, and clearer thinking Settled
(Final approval granted; Appeal dismissed)
Engert et al. v. Quincy Bioscience, LLC
19-cv-183, W.D. Tex.
(Feb. 2019)
Falsely marketing that products improve memory and support a sharper mind, clearer thinking, and healthy brain function Settled
(Final approval granted; Appeal dismissed)
Spath et al. v. Quincy Bioscience Holding Co., Inc. et al.
18-cv-12416, D.N.J.
(Aug. 2018)
Falsely marketing products as “clinically tested” to improve memory and support healthy brain function, sharper mind, and clearer thinking Settled
(Final approval granted; Appeal dismissed)
Vanderwerff et al. v. Quincy Bioscience Holding Co., Inc. et al.
17-cv-784, D.N.J.
(Feb. 2017)
Falsely representing products as clinically shown to improve memory and provide other cognitive benefits Settled
(Final approval granted; Appeal dismissed)
Karathanos et al. v. Quincy Bioscience Holding Co., Inc.
17-cv-1091, E.D.N.Y.
(Feb. 2017)
Falsely marketing products as clinically shown to improve memory and provide other cognitive benefits Settled
(Final approval granted; Appeal dismissed)
Miloro et al. v. Quincy Bioscience, LLC
16PH-cv01341, Missouri state court
(2016)
Falsely and misleadingly marketing products as improving memory Settled
(Final approval granted; Appeal dismissed)
Musgrave et al. v. Quincy Bioscience, LLC
15-cv-4505, N.D. Cal.
(March 2015)
Falsely advertising products as “Clinically Tested” to improve memory and support healthy brain function, sharper mind, and clearer thinking Voluntarily dismissed When a complaint is dismissed with prejudice, it cannot be refiled. as to the named plaintiff’s individual claims and When a complaint is dismissed without prejudice, an amended version of the complaint can be refiled. as to the class members’ claims
Racies et al. v. Quincy Bioscience, LLC
15-cv-292, N.D. Cal.
(Jan. 2015)
Falsely marketing products as “clinically tested” to improve memory and support healthy brain function, sharper mind, and clearer thinking Settled
(Final approval granted; Appeal dismissed)

Legal Action

Prevagen

Prevagen

TINA.org investigated the marketing of Prevagen, a supplement aimed at people suffering from memory loss, and found that Quincy Bioscience — the marketer and manufacturer of Prevagen — deceptively claimed…


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