Beef heart nutrition has high levels of zinc, iron, selenium. It is also a great source of vitamin B2, vitamin B6, and vitamin B12. Heart is a traditional food for many cultures and was a staple of many Native American tribes. Like a steak with an intense, rich, beefy flavor, the heart can be grilled, sliced thin and breaded and fried, pan seared or mixed with ground beef to give it additional nutrients and flavor.