They contain high levels of potassium and fiber, as well as B vitamins such as thiamin, niacin, and riboflavin, and minerals such as iron, zinc, and manganese.Sareen=BarleyA source of B vitamins, vitamin E, and folic acid, barley seeds are also ground into flour for baking or processed for use as a cereal.Studies have shown that individuals with barley in their diet experienced reductions in their