Derived From Sunflower OilDietary SupplementNon-GMO LE Certified For most vitamin formulations, there is only one kind of vitamin E. But with our Super Vitamin E, you get the more bioavailable form, has proven far superior. Super Vitamin E is distributed through the body much better than the synthetic form.The reason is that specific carrier proteins in the liver selectively bind to the more absorbable form of vitamin E and transport it through the blood to cells throughout the body. These carrier proteins only recognize a portion of synthetic vitamin E and ignore the remainder.Japanese researchers gave the bioavailable or synthetic vitamin E to young women to measure how much vitamin E actually made it into their blood. It took only 100 mg of Super Vitamin E to produce blood levels that required 300 mg of synthetic vitamin E.Life Extension’s Super Vitamin E softgels provide only the better-utilized, bioavailable form of vitamin E.