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Vitamin E Assists Blood Vessel Health

Posted Sep 16 2012 10:07pm
Posted on Sept. 14, 2012, 6 a.m. in Cardio-Vascular Dietary Supplementation Vitamins

Vascular endothelial function is defined as the function of cells lining blood vessels, optimal performance of which is key to cardiovascular health. Richard S. Bruno, from the University of Connecticut (Connecticut, USA), and colleagues enrolled 15 healthy men, average age 22 years, to participate in a study in which each subject was randomly assigned to receive either a vitamin E supplement (500 mg of gamma-tocopherol, 60 mg of alpha-tocopherol, 170 mg of delta-tocopherol, and 9 mg of beta-tocopherol), or no supplements, for five days prior to fasting and then receiving 75 mg of glucose. The researchers observed that vitamin E supplementation maintained endothelial function, and also reduce the levels of malondialdehyde (MDA) - an established marker of oxidative stress.  The study authors conclude that: "these findings support that short-term supplementation of [mixed tocopherols] maintains [vascular endothelial function ] during postprandial hyperglycemia.”

Eunice Mah, Sang K. Noh, Kevin D. Ballard, Hea Jin Park, Jeff S. Volek, Richard S. Bruno. "Supplementation of a [gamma]-tocopherol-rich mixture of tocopherols in healthy men protects against vascular endothelial dysfunction induced by postprandial hyperglycemia.”  The Journal of Nutritional Biochemistry, 25 July 2012.

  
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38. A Fishy Proposition
”Fatty“ fish, rich in essential fatty acids (omega-3 fats) which help to lower cholesterol and prevent blood platelets from sticking to artery walls, have gained much positive attention as health-promoting foods. Some fish should be avoided due to high levels of the potential cancer-causing agent, methylmercury. To shop smart for fish, heed the following:
 Salmon (both farmed and wild) is especially low in methylmercury. However, farmed salmon (due to the feed they receive) may contain as much as 16-times the level of PCBs...
 
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