Because it's whey strained.
Don't worry they'll tell you.
A Casualty (Casual-Tee, as in Tee-Shirt) 100% Guraneed Originality You can know for sure I made it up because of how corny it is...
TZZZZAT, TZZZZZZZAT!
There goes my gyro
They're whey isolate.
You'll strain your eyes.