They are one of the best natural sources of protein and have great nutritional value, making them an ideal choice for a balanced diet. Protein is what makes chickpeas stand out from other legumes. They amount to 20-30%, contain all the essential amino acids in the ideal proportion that the body needs and are classified in complete proteins, such as those of milk, soy and meat. It is worth noting that these legumes are an excellent source of carbohydrates, minerals and vitamins. Chickpeas should be cooked with the skin, because it contains the largest percentage of calcium and fiber, ingredients necessary for the human body.