alpha-Tocopherol Stereoisomers in Human Plasma Are Affected by the Level and Form of the Vitamin E Supplement Used

摘要

Background: Studies examining vitamin E intake and the percentage of the population meeting dietary guidelines do not distinguish between natural (RRR-alpha-tocopherol) and synthetic (all-rac-alpha-tocopherol) intake, even though these different isomeric forms differ in bioactivity.