Vitamin E is a fat-soluble antioxidant that protects your cell membranes from damage and may prevent LDL cholesterol from oxidizing and forming plaque in your arteries. Women who are at risk for deep vein thrombosis may benefit from getting an adequate amount of vitamin E because it may prevent DVT from developing. Some research indicates that vitamin E might help prevent some types of cancer. A study published in the "Journal of the National Cancer Institute" in 2012 noted that middle-aged or older Chinese people who took high amounts of vitamin E, either from diet or supplements, had a lower incidence of liver cancer than those who did not.