Barley grass meal is rich in a variety of amino acids, enzymes and antioxidants that are essential to the human body. Regular intake of barley meal provides the body with adequate amounts of pantothenic acid and folic acid, as well as carotenoids, including beta-carotene. Our bodies need these vital amino acids and antioxidants to fight disease and infection, develop the immune system, and save the body from dangerous free radicals.