The grass-fed beef used to make Goya Corned Beef has several advantages, some of which are described here. Good source of Protein. Good source of Calcium. Meat that has been cured in a salt solution is known as corned beef. Meat was cured and salted before it was refrigerated to preserve it. In the past, any kind of meat could undergo the curing procedure that produces what is now known as corned beef.