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Nutrients 2014, 6(12), 5453-5472; doi:10.3390/nu6125453

Effects of Vitamin E on Cognitive Performance during Ageing and in Alzheimer’s Disease

DSM Nutritional Products Ltd., R & D Human Nutrition and Health, P.O. Box 2676, CH-4002 Basel, Switzerland
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Received: 13 October 2014 / Revised: 10 November 2014 / Accepted: 19 November 2014 / Published: 28 November 2014
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Abstract

Vitamin E is an important antioxidant that primarily protects cells from damage associated with oxidative stress caused by free radicals. The brain is highly susceptible to oxidative stress, which increases during ageing and is considered a major contributor to neurodegeneration. High plasma vitamin E levels were repeatedly associated with better cognitive performance. Due to its antioxidant properties, the ability of vitamin E to prevent or delay cognitive decline has been tested in clinical trials in both ageing population and Alzheimer’s disease (AD) patients. The difficulty in performing precise and uniform human studies is mostly responsible for the inconsistent outcomes reported in the literature. Therefore, the benefit of vitamin E as a treatment for neurodegenerative disorders is still under debate. In this review, we focus on those studies that mostly have contributed to clarifying the exclusive function of vitamin E in relation to brain ageing and AD. View Full-Text
Keywords: α-tocopherol; antioxidant; oxidative stress; brain ageing; AD α-tocopherol; antioxidant; oxidative stress; brain ageing; AD
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Fata, G.L.; Weber, P.; Mohajeri, M.H. Effects of Vitamin E on Cognitive Performance during Ageing and in Alzheimer’s Disease. Nutrients 2014, 6, 5453-5472.

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