The ingredients list on the label of the tin, cooked beef, beef, water, salt, sugar, and sodium nitrite. Corned beef was a main staple for British solders during World War I, especially when troops found themselves separated from their supplies when in enemy territory.
The reason that corned beef is packed in the distinctively shaped container that it comes in is to enable the corned beef to slide out as one piece so that it can easily be sliced
How about when it comes to food and health? Typically, corned beef contains 12% fat and 2.3% salt.