All of our Bully Sticks come from food-grade raw material. Food-grade means fit for human consumption. Our Bully Sticks are washed 3 times in warm water to remove excess fluids and are hung vertically to cook. The hanging allows any juices to drip off the pizzle instead of basting into them. All of our premium treats and chews are made in the USA with no artificial additives, chemicals, or preservatives.