Below are some of the details of Vitamin E(generic)
 
Vitamin E is a generic term
 
Evion from Merck contains Vitamin E
for tocopherols and tocotrienols. Vitamin E is a family of ?-, ?-, ?-, and ?-tocopherols and corresponding four tocotrienols. Vitamin E is a fat-soluble antioxidant that stops the production of reactive oxygen species formed when fat undergoes oxidation. Of these, ?-tocopherol (also written as alpha-tocopherol) has been most studied as it has the highest bioavailability.