The deadline to submit a claim in Poppi soda’s $8.9 million class-action lawsuit is quickly approaching. Most Read from Fast Company Qualifying customers have until this Friday, September 26, to file a claim in the class-action lawsuit against Poppi’s former owner, Vngr Beverage LLC. The suit alleges that the low-sugar, prebiotic soda was “improperly marketed” and labeled as “gut healthy,” a claim that is not scientifically backed, leading customers to purchase products they would not have otherwise. ...