Researchers found that various forms of vitamin E seem to play a role in memory processes. Traditionally, studies investigating the link between vitamin E and memory disorders have usually focused on a single form of vitamin E, namely α-tocopherol, which is also used in the majority of vitamin E supplements. However, vitamin E exists in eight different natural forms, tocopherolsand tocotrienols, all of which have antioxidant properties.
In this specific study, researchers followed a sample of 140 over 65-year-old Finnish persons with no memory impairment at the onset of the study over an eight-year period. During the course of the investigation, researchers discovered that higher total serum levels of vitamin E, and higher levels of γ-tocopherol, β-tocotrienol and total tocotrienols in particular, seemed to protect against memory disorders. According to the investigators, the results show that the entire vitamin E family plays a role in memory processes. The study was carried out in cooperation between the University of Eastern Finland, the Finnish National Institute for Health and Welfare, Karolinska Institutet, and the University of Perugia.
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