Often incorrectly labeled a "supplement" (negative connotation) by the popular media, protein powder is powdered food consisting mainly of the macronutrient protein. It is used by athletes and bodybuilders to more easily obtain high levels of daily protein intake, a condition advantageous toward muscle gain.
There are different kinds of protein powders, with whey protein being the most popular.
The bodybuilder mixed protein powder and creatine into a shake and then drank it.
What a lot of young people are in Europe becuase the government pays all their education expenses so what they do is drink and fuck and do drugs all the time while taking the bare minimum in BS classes to keep receiving government funding, which includes cost of living (booze/drug money).
They purposly never graduate so they can continue living the life style they are living for free.
Lukas began his 12th year at University having accomplished nothing except 11 years of being intoxicated most of the time while the government picked up the tab.