Simplify the following text for a Grade 13 native English-speaking person.
Original: Testing of Red Bull Energy Drink and its variations has shown that a person with a low tolerance for cocaine would ( theoretically ) have to consume two million cans of the drink in a single sitting before becoming critically ill from the cocaine .
Simplified: Testing of Red Bull Energy Drink and its variations has shown that a person with a low tolerance for cocaine would have to consume two million cans of the drink in a single sitting before becoming critically ill from the cocaine .