Analysis of information sources in references of the Wikipedia article "维生素E" in Chinese language version.
only 2R-α-tocopherol stereoisomers were found to meet human requirements for the vitamin... Currently, only RRR-α-tocopherol is considered to be the physiologically active vitamer.
only 2R-α-tocopherol stereoisomers were found to meet human requirements for the vitamin... Currently, only RRR-α-tocopherol is considered to be the physiologically active vitamer.