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... So far, eight people across four states have been sickened"four in Arizona, two in Indiana, one in Nevada, and one in Pennsylvania, the FDA reported. Of the eight, six have been hospitalized.

"We are urging the public to use extreme caution due to the very serious effects of these products," Maureen Roland, director of the Banner Poison and Drug Information Center in Phoenix, said in a press release earlier this week.

Steve Dudley, director of the Arizona Poison and Drug Information Center, added that there's "clearly something toxic occurring" with the chocolates. "We've seen the same phenomenon of people eating the chocolate bar then seizing, losing consciousness, and having to be intubated." Dudley noted that the state is aware of additional cases beyond the eight reported Friday by the FDA. Those cases were reported from Nebraska and Utah.

It's not entirely clear what is in the chocolates or what could be causing the illnesses. The FDA said it was working with the Centers for Disease Control and Prevention as well as America's Poison Centers to "determine the cause of these illnesses and is considering the appropriate next steps."

On its website, Diamond Shruumz says that its chocolate bars contain a "primo proprietary blend of nootropic and functional mushrooms." The website also contains reports of laboratory analyses on their products, some of which indicate the absence of select known fungal toxins and compounds such as the hallucinogen psilocybin and cannabinoids. ...