Asparagus is in fact very high in iron which plays a very important role in the body. Iron is responsible for the formation of protein hemoglobin in the body which carries oxygen all throughout the body and into the red blood cells. It is an extremely important mineral to get enough of, so you will want to make sure that your diet is filled with iron-rich foods like asparagus.
Iron can also help to do other important things in the body such as improve immune system function, regulate metabolic processes, and regulate body temperature as well. You will find that asparagus is also high in magnesium, manganese, niacin, phosphorus, calcium, potassium, riboflavin, and many other things which the body needs in order to stay healthy and function properly.