" did you know that most breads contain amino acid extracts derived from whey protein, a by-product of cheese production? And that whey protein or its dairy cousin, casein, can be found in most boxed cereals, crackers, nutrition bars, veggie “meat” products, and condiments? "

― Rich Roll , Finding Ultra: Rejecting Middle Age, Becoming One of the World's Fittest Men, and Discovering Myself