GNC’s TriFlex Supplements

September 2013: Plaintiffs voluntarily dismissed this lawsuit against GNC. The reasons for the dismissal have not yet been disclosed.

July 2013: A class-action lawsuit was filed against GNC for allegedly deceptively marketing its TriFlex supplements.  The plaintiffs allege that GNC markets TriFlex, which consists primarily of glucosamine hydrochloride and chondroitin sulfate, as a supplement that will help promote mobility and flexibility, improve joint comfort, and cushion joints, without adequate scientific support for those claims. (Distefano-Presutti et al. v. GNC Corp., Case No. 13-cv-01100, W.D. Penn.)

For more information about other class-action lawsuits regarding glucosamine and’s coverage of the issue, click here.


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