A similar concoction is already available at Taco Bell, which mixes Mountain Dew and orange juice into ... of saying "a potentially lethal jolt of caffeine." It's true "Kickstart does have far ...
According to caffeineinformer.com, a McDonald’s latte has 142 milligrams of caffeine, a 20-ounce Mountain Dew has 90 milligrams, and a 16-ounce energy drink can have as much as 240 milligrams.