Oils and margarines from corn, cottonseed, soybean, safflower, and wheat germ are all good sources of vitamin E. Nuts are also good sources of vitamin E. Fruits, vegetables, and whole grains contain less.Refining grains reduces their vitamin E content, as does commercial processing and storage of food.ils and margarines from corn, cottonseed, soybean, safflower, and wheat germ are all good sources of vitamin E. Nuts are also good sources of vitamin E. Fruits, vegetables, and whole grains contain less.