Category Archives: Vitamin E

Tablets, Capsules and Softgels: Vitamin E

Posted on November 17, 2013 by Robert Barrington

Dr Joel Wallach, of Dead Doctor’s Don’t Lie fame, once said that taking vitamins was pretty cheap insurance against disease. This is true, because while vitamins and minerals are often better provided by whole food, they are increasingly absent from … Continue reading →

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Antioxidant Pro-oxidant Obfuscation

Posted on October 19, 2013 by Robert Barrington

hey say that a little knowledge is a dangerous thing. This adage is never more true when it comes to medical professionals commenting on nutrition. Nutrition and human metabolism are highly complex subjects that require years of study to understand … Continue reading →

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Vitamin E Biomarkers and Metabolites

Posted on October 13, 2013 by Robert Barrington

iomarkers for vitamin status are useful because they allow intakes to be modulated to provide improved disease resistance. Without accurate and reliable biomarkers for vitamins only guesswork can be used to estimate requirements, and this has the inherent problem of … Continue reading →

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Fat Soluble Vitamins in Adipose Tissue

Posted on July 16, 2013 by Robert Barrington

A daily intake of water soluble vitamins in needed by humans. However, a regular intake of fat soluble vitamins is not required because humans have a capacity for storage. The liver is able to store some fat soluble vitamins such … Continue reading →

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Tocotrienols Lower Plasma Cholesterol

Posted on June 25, 2013 by Robert Barrington

A number of nutrients are known to lower plasma concentrations of cholesterol in humans. Garlic and fibre for example, are well studied and have been shown repeatedly to be as effective as pharmaceuticals at lowering cholesterol concentrations. The tocotrienols have … Continue reading →

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Vitamin E: Lipoproteins Prefer Alpha-Tocopherol

Posted on May 8, 2013 by Robert Barrington

itamin E comprises of eight isomers; α-, β-, γ- and δ-tocopherol and α-, β-, γ- and δ-tocotrienol. The tocopherols are the more abundant vitamers in the diet with α- and γ-tocopherol contributing the most to intake. It is known that … Continue reading →

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Sterols as Drugs: Reviving the Zombie Cholesterol Theory

Posted on April 12, 2013 by Robert Barrington

Sterols are plant lipids that have similar structures to the animal lipid cholesterol. Examples of sterols common to the human diet include β-sitosterol, campesterol and stigmasterol present in foods such as cereals, nuts and legumes. Because of their similar structure, … Continue reading →

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Vitamin E Structure: Further Down the Rabbit Hole

Posted on March 3, 2013 by Robert Barrington

The nomenclature for vitamin E can be confusing because the term vitamin E refers to a group of closely related compounds that share biological activity. Vitamin E is therefore a group of vitamers, the main subdivisions of which are α-, … Continue reading →

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Vitamin E: Absorption and Transport

Posted on March 1, 2013 by Robert Barrington

Vitamin E consists of 8 isomers that share the same biological activity as α-tocopherol. The isomers are α-, β-, γ- and δ-tocopherol and α-, β-, γ- and δ-tocotrienol. The isomers possess slightly different biological activities in humans. For example, γ-tocopherol … Continue reading →

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Plasma Levels of Micronutrients: Are they Reliable During Disease?

Posted on January 22, 2013 by Robert Barrington

Much of the work performed to determine the normal range of plasma micronutrients was undertaken in healthy subjects. This information was obtained from depletion studies of single nutrients, and has been used to compile many of the nutritional guides for … Continue reading →

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