What exactly is wheat germ? It's the embryo of the wheat kernel, and it's the source of the grain's concentrated nutritional components. Swanson Wheat Germ Oil is a source of vitamin E and omega fatty acids. Two other nutrients concentrated in wheat germ, policosanol and octacosanol, are the subjects of exciting cardiovascular and blood lipid research. This unique formula is produced through a cold press process that ensures all the vital nutrients are retained.