books.google.com - Vitamin E is a fat-soluble vitamin that exists in eight different forms. Each form has its own biological activity, which is the measure of potency or functional use in the body. Alpha-tocopherol (-tocopherol) is the name of the most active form of vitamin E in humans. It is also a powerful biological...http://books.google.com/books/about/Focus_on_Vitamin_E_Research.html?id=uPM7Xtk4f5QC&utm_source=gb-gplus-shareFocus on Vitamin E Research
