Millet is a tiny red, white, yellow or gray cereal grain. It's a staple in some regions of India and is commonly consumed in various other parts of the world. It has a mild flavor and is used to make chapattis, tortillas, or other unleavened bread. It contains higher amounts of five essential amino acids including isoleucine, phenylalanine, threonine, tryptophan, and valine and contains higher levels of copper and iron than other cereal grains.