Pork is a very high source of protein. I contains each of the eight essential amino acids needed to build, repair and maintain body tissue.
Pork is the best dietary source of thiamin and a good source of other B vitamins, including iacin, riboflavin, and vitamins B6 and B12.
Pork is a good source of minerals, particularly iron and zinc. About half of the iron in pork is the most readily absorbed and digested type of dietary iron.