Chipotle uses naturally raised chicken and pork for all of its 886 stores. They have not yet been able provide naturally raised beef for all of their locations , but 60% of their stores do have it; and 100 percent of their East Coast restaurants do serve naturally raised beef.
Naturally raised, for Chipotle, means the animal is served vegetarian feed and is not given antibiotics or added-growth hormones. It exceeds the USDA's natural meat requirements. They also support the humane treatment of animals.