Pork tenderloin from our house brand Loca cut into medallions. Pork tenderloin is a very tender piece of meat that comes from the back of the pig. The meat is particularly lean and requires a short cooking time. Pork tenderloin is a very tender piece of meat that comes from the back of the pig. It can still be seasoned entirely to your own preference and can be used in the preparation of a wide variety of dishes.