Corn couscous is obtained from crushed, boiled and dried corn grains. Couscous provides important vitamins and minerals. It is a whole grain product and an excellent source of B-complex vitamins needed to maintain health. It provides thiamine, niacin, riboflavin, vitamin B6, folate and pantothenic acid. These nutrients help metabolize energy, support the proper functioning of the brain, nervous system, blood, heart and immune system.