The type of product which is labeled as ancient grain by food companies is Freekeh.
Freekeh or farik is a grain food produced from green durum wheat that is grilled and rubbed to accomplish its flavor. It is an classical food obtained from North African cuisines, enduring popular in various nations of the eastern Mediterranean Basin where durum wheat introduced. Freekeh is low in fat and high in protein and fiber. The piles are deliberately set on fire in order to burn straw . Under these circumstances, the high moisture content of the grains stops them from burning. The roasted wheat is then thrashed and sun-dried to produce a consistent flavor, texture, and color.