Vitamin E is an antioxidant for the body's lipids, protecting all structures from heavy metals, free radicals, and other toxic substances. Due to its antioxidant power, it inhibits the oxidation of lipids in cell membranes, blood lipids, and cholesterol. The properties of vitamin E also benefit arteries, veins, and capillaries. Research highlights therapeutic and preventative benefits of vitamin E supplementation in numerous conditions such as atherosclerosis, cerebrovascular disease, Raynaud's disease (a disorder that causes vasoconstriction in the extremities), vasculitis, hot flashes, and edema. Because of its ability to prevent the oxidation of membrane lipids, vitamin E has been shown to improve insulin sensitivity and glucose tolerance. Vitamin E supplementation has also been shown to improve the HDL/LDL ratio in diabetic patients. High blood sugar levels predispose to increased blood lipids, increasing the risk of cardiovascular disease. [Dietary supplement]
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