You’ve got to see it to believe it.

Wow – I still can’t believe what I just saw. YouTube sensation Matt Stonie has just done what a previously thought of as impossible. Up there with swallowing a spoonful of cinnamon or chugging a gallon of milk – I saw this feat going wrong for sure. But nay, I was proven wrong.

Stonie, a competitive eater known for beating out Joey Chestnut in 2015 to win the Nathan’s Hot Dog Eating Contest, consumes 12,000 calories in just over 2 mins, ingesting 5 lbs of Arnold mass gainer in the process. What’s almost as impressive as the feat itself is Stonie’s “vascular” physique. The guy couldn’t be over 130 lbs soaking wet and he’s ingesting dumbbell sized bottles of protein – wild.

Check out the video below:

Stonie’s resume includes other feats of eating greatness such as drinking seven Shamrock Shakes in under seven minutes, housing four Chipotle burritos (and a Diet Coke!) in three minutes, and, mostly recently,obliterating the fabled Saltine Challenge.