Nothing Super About GNC 'Super Magnesium' Pills, Suit Says

By Gina Kim (May 6, 2024, 2:54 PM EDT) -- GNC Holdings was hit with a putative class action filed Friday in Illinois federal court alleging it falsely markets its brand of "Super Magnesium" dietary supplements as containing 400 milligrams of magnesium per serving, despite independent testing that revealed the supplements contain far less than what is advertised....

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