Category Archives: Vitamin E

Wheat Germ as a Source of Vitamin E?

Posted on January 3, 2013 by Robert Barrington

Results from animal studies should always by treated with caution because humans and animals have physiological differences. However, some animal studies are interesting from a nutritional point of view because certain types of study that may be considered unethical in … Continue reading →

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Homocysteine and Endothelial Dysfunction

Posted on December 26, 2012 by Robert Barrington

Elevated plasma homocysteine is a risk factor for cardiovascular disease. Homocysteine is thought to increase the risk of cardiovascular disease because it is able to increase endothelial dysfunction in the arteries and cause athrogenesis. However, it is unknown if this … Continue reading →

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Vitamin C and Vitamin E Have Synergistic Effects on Glucose Metabolism

Posted on December 24, 2012 by Robert Barrington

Vitamin C and vitamin E are important water and fat soluble vitamins in humans, respectively. Because of their antioxidant effects, both vitamins decrease systemic oxidation and are therefore beneficial against diseases characterised by oxidative stress. Both vitamin C and vitamin … Continue reading →

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Some More on Tocotrienols

Posted on October 28, 2012 by Robert Barrington

Vitamin E is a group of 4 saturated (α-, β-, γ- and δ-tocopherol) and 4 unsaturated (α-, β-, γ- and δ-tocotrienol) vitamers which share the biological activity of α-tocopherol. Of the vitamin E vitamers, α-tocopherol has been extensively studies with … Continue reading →

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Vitamin Supplements and Memory

Posted on September 14, 2012 by Robert Barrington

Low B vitamin status has been shown to increase the risk of memory problems and dementia in the elderly. Trials using supplements of B vitamins have found benefits to cognitive performance, possibly because B vitamins are required for the production … Continue reading →

Posted in Antioxidant, Beta Carotene, Carotenoids, Dementia, Selenium, Vitamin C, Vitamin E, Zinc | Comments Off on Vitamin Supplements and Memory

Tocopherol Half-Life

Posted on August 30, 2012 by Robert Barrington

Vitamin E is actually a collection of chemicals (α-, β-, γ- and δ-tocopherol, and α-, β-, γ- and δ-tocotrienol) that all share the same biological activity as α-tocopherol. Vitamin E exerts strong antioxidant activity in cell membranes because of its … Continue reading →

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Vitamin E and Vitamin C

Posted on July 31, 2012 by Robert Barrington

Vitamin E and vitamin C are important cellular antioxidants in humans that have lipophilic and lipophobic properties, respectively. This allows the vitamins to function in different cellular environments, with vitamin E being found predominately in the phospholipid membranes of cells, … Continue reading →

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More on Antioxidant Interactions

Posted on July 24, 2012 by Robert Barrington

Vitamin C, vitamin E and the carotenoids are important antioxidants in human tissues, that may have beneficial effects against a number of lifestyle diseases including cardiovascular disease and cancer. A wide variety of antioxidants in the diet may provide better … Continue reading →

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More Evidence of Marginal Vitamin Status

Posted on July 10, 2012 by Robert Barrington

Research suggests that large numbers of individuals in Western nations have marginal vitamin and mineral status. This results from a combination of poor quality diet, along with food manufacturing, processing and growing techniques that are detrimental to the micronutrient content … Continue reading →

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High Dose Vitamin E and Insulin

Posted on July 9, 2012 by Robert Barrington

Obesity is increasingly being associated with systemic oxidative stress and inflammation. It has been noted for example that obese individuals have significantly lower plasma levels of ascorbic acid than normal weight subjects. This has been suggested to result from depletion … Continue reading →

Posted in Glutathione, Insulin, Insulin Resistance, Obesity, Vitamin E | Comments Off on High Dose Vitamin E and Insulin