—Whey’s cousin, casein is made from curdled milk.
—Gelatin is a protein made by boiling cows’ and pigs’ skin, tendons, ligaments, and bones.
—Fat from hog abdomens.
- a clotting agent from pigs’ stomachs, used in some cheeses and vitamins.
—an enzyme taken from baby calves’ stomachs, is used for in cheese production.
— often appears in chocolate and vitamins, comes from a fatty substance taken from slaughtered pigs’ stomachs.
— the waxy oil derived from sperm whales’ heads or from dolphins - it is used in some margarine products.
—Urea comes from urine and other "bodily fluids." It’s used to "brown" baked goods, like pretzels.