Vitamin E – Uses, Benefits, Sources and Dosage It is fat soluble vitamin. Vitamin E is an antioxidant in nature and helps to protect the cell membrane from damage caused by free radicals and also prevents the oxidation of LDL cholesterol. It is composed of a group of substances called tocopherols which are divided into different forms like alpha, beta, and gamma. Importance of Vitamin E It is necessary for maintenance of structure and functions of skeletal, cardiac and smooth