If the biggest thing you want out of your coffee in the morning is "oh my God, wake me the eff up please," a new study figured out where you should buy it.


Buzzfeed bought 24 cups of coffee from four different major national chains: Starbucks, 7-Eleven, McDonald's, and Dunkin' Donuts. Then they had a lab analyze the cups to figure out every chain's average caffeine.

The most jacked up coffee is from 7-Eleven. Their cups had an average of 280 milligrams of coffee. Starbucks came in second with 267 milligrams, McDonald's has 227 milligrams, and Dunkin' Donuts has 220 milligrams.

Read more at Buzzfeed.