The Food and Drug Administration has been eying the safety of caffeinated alcoholic drinks like Four Loko, which reportedly sent nine students at Central Washington University to the hospital. The FDA warned manufacturers last November about the safety and legality of the drinks.
"The increasing popularity of consumption of caffeinated alcoholic beverages by college students and reports of potential health and safety issues necessitates that we look seriously at the scientific evidence as soon as possible," Dr. Joshua Sharfstein, principal deputy commissioner of food and drugs, said in a statement at the time.
The culprit in the recent incident has been identified as Four Loko, a potent mix of alcohol and caffeine sometimes referred to as "blackout in a can." But Four Loko isn't alone; check out a list of similar drinks on the FDA's radar here.
The Food Safety News website isn't a fan of the potent brew. "According to experts and legislators, the health and safety concerns are extensive.