Barley If you can mention one or more foods that contain barley then you are ahead of many out there. Barley, while not very well known, is actually a common grain that is found in many breakfast cereal options. It typically is an excellent option for anyone looking to maintain and lower cholesterol levels because it is high in fiber content, mostly from soluble fiber. Some studies have shown the consumption of whole barley has led to as high as 10 percent reduction in cholesterol levels with the consumption of barley, so consider having more of this grain to start your day.