Alpha-Tocopherol is the orally bioavailable alpha form of the naturally-occurring fat-soluble vitamin E, with potent antioxidant and cytoprotective activities. Upon administration, alpha-tocopherol neutralizes free radicals, thereby protecting tissues and organs from oxidative damage. Alpha-tocopherol gets incorporated into biological membranes, prevents protein oxidation and inhibits lipid peroxidation, thereby maintaining cell membrane integrity and protecting the cell against damage. In addition, alpha-tocopherol inhibits the activity of protein kinase C (PKC) and PKC-mediated pathways. Alpha-tocopherol also modulates the expression of various genes, plays a key role in neurological function, inhibits platelet aggregation and enhances vasodilation. Compared with other forms of tocopherol, alpha-tocopherol is the most biologically active form and is the form that is preferentially absorbed and retained in the body.
Vitamin E is a supplement used to prevent or treat a lack of vitamin E in the body. A low body level of vitamin E is rare. Most people who eat a normal diet do not need extra vitamin E. However, vitamin E supplements are used in premature newborns and in people who have problems absorbing enough vitamin E from their diets. Vitamin E is important in protecting your body’s cells from damage. It is known as an antioxidant.
Vitamin E is available under the following different brand names: Aquasol E, alpha-tocopherol, and tocopherol.
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