Anais Fournier suffered a heart attack brought on by “caffeine toxicity” after drinking two cans of the drink — described by its makers as a “killer energy brew”.
The youngster, who had a disorder than can weaken blood vessels, died two days before Christmas last year after the beverage affected her heart’s ability to pump blood.
Now her family is suing Monster Beverage Corp as the US Food and Drug Administration launched an investigation into the energy drink, which has reported links to five deaths and one non-fatal heart attack.
The 24oz can of Monster Energy contains 240 milligrams of caffeine — three times as much as nearest rival Red Bull.
Anais’s parents, from Hagerstown, Maryland, US, claim the company failed to warn consumers about the risk of drinking its products.
Her mum Wendy Crossland said: “I was shocked to learn the FDA can regulate caffeine in a can of soda, but not these huge energy drinks.
“With their bright colours and names like Monster, Rockstar, and Full Throttle, these drinks are targeting teenagers with no oversight or accountability.
“These drinks are death traps for young, developing girls and boys, like my daughter.”
