After Settlement in Supplement Lawsuit, New Concerns Over Ingredients in Supplements Lead to Halt on Sales Although GMC settled a supplement lawsuit in September, scientists have raised new concerns about a stimulant that is an ingredient in more of the company’s supplements, which has been untested in humans. At the end of September, GNC Holdings Inc and supplement manufacturer USPLabs LLC agreed to pay $2 million to settle a class action lawsuit against the companies for their workout supplements OxyElite Pro and Jack3d, which had a … [Read more...]