Vitamin E is a fat soluble vitamins that acts as a natural antioxidant against free radicals and oxidative stress. The name of the vitamin is Greek and it means in sum "to carry a pregnancy,", because it is linked to fertility.
Vitamin E sources
Foods that contain vitamin E are wheat germ oil, corn oil, soy oli, nuts, green leafy vegetables, avocado and eggs.
There are natural and synthetic forms of vitamin E. Natural forms are d-alpha tocoferol and mixed a, b, c, d types that approach those available at foods, and are high bioavailable. Dl-alpha-tocopherol is a synthetic type. In nutritional supplements the vitamin can be found in tablets, softgels, and as oil or liquid. Combination of thw vitamin with other antioxidants such as vitamin C, selenium and coenzyme Q10 enhance its antioxidant potency.
Low serum levels of vitamin C are linked to greater cardiovascular risk. The intake of 400 IU of vitamin E daily reduces cardiovascular risk in patients that have already had a heart attack. Vitamin E protects form atherosclerosis, hypertention and hypercholesterolaimia.
Due to its high antioxidant action vitamin E prevents many cancer types, such as breast, colorectal, prostate in doses of 200-400 IU for long-term use
Studies have shown that the intake of 1000-2000 IU mixed tocopherols, can prevent the onset and the deterioration of Alzheimer's disease symptoms.
Vitamin E in combination with evening primrose oil can relieve symptoms of premenstrual symptoms such as pain, hypersensitivity and mood changes.
Vitamin E can prevent the deterioration of vessel problems and to reduce cardiovascular risk.
Vitamin E is an essential compound for skin health and beauty. Is a powerful antioxidant and acts against ageing. Also moisturizes the skin and prevents dryness. There are available many cosmetics with vitamin E in moisturizers, serums, ampoules and oils that protect the skin from wrinkles onset.
The American Food and Nutrition Board of the Institute of Medicine recommends 400-800 IU of vitamin E for adults, with an upper tolerable intake level (UL) of 1500 IU. For children the recommended daily intake is 15 IU, while for pregnant and lactating women, 22 IU and 28 IU respectively.
The lack and the hypervitaminosis of vitamin E are rare. Lack symptoms differ according to age.
Those that take aspirin, anti-coagulants, beta-blockers, statins, antibiotics, tamoxifen and orlistat must not take vitamin E in supplement form. Children and women during pregnancy and lactaton must take vitamin E under medical supervision.