{"id":11088,"date":"2025-08-25T19:46:47","date_gmt":"2025-08-25T17:46:47","guid":{"rendered":"https:\/\/dwatrolaboratories.com\/?p=11088"},"modified":"2026-10-05T15:35:40","modified_gmt":"2026-10-05T13:35:40","slug":"what-is-alpha-tocopherol","status":"publish","type":"slownik","link":"https:\/\/dwatrolaboratories.com\/en\/glossary\/what-is-alpha-tocopherol\/","title":{"rendered":"What is Alpha-tocopherol? Definition"},"content":{"rendered":"<h1>Alpha-tocopherol \u2013 what is it? Definition, action and role in the body<\/h1>\n<h2>Definition of alpha-tocopherol<\/h2>\n<p>Alpha-tocopherol is the most biologically active form of vitamin E, a fat-soluble nutrient with strong antioxidant properties. Vitamin E occurs in eight chemical forms (four tocopherols and four tocotrienols), but it is precisely alpha-tocopherol that is best absorbed and used by the human body. This compound plays a key role in protecting cells against oxidative stress, supports the immune system and also plays an important role in maintaining the health of the skin and of the cardiovascular system.<\/p>\n<h2>Alpha-tocopherol and vitamin E<\/h2>\n<p>Although vitamin E is a whole group of compounds, it is alpha-tocopherol that constitutes its main and most important form. It is regarded as the reference standard when determining the biological activity of vitamin E. In the human body it is precisely this form that predominates in the plasma and in the tissues, because the liver preferentially incorporates alpha-tocopherol into the lipoproteins that transport it around the whole body.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/dwatrolaboratories.com\/wp-content\/uploads\/2025\/08\/dwatro-alfa-tokoferol-slownik-1024x682.webp\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" srcset=\"https:\/\/dwatrolaboratories.com\/wp-content\/uploads\/2025\/08\/dwatro-alfa-tokoferol-slownik-1024x682.webp 1024w, https:\/\/dwatrolaboratories.com\/wp-content\/uploads\/2025\/08\/dwatro-alfa-tokoferol-slownik-300x200.webp 300w, https:\/\/dwatrolaboratories.com\/wp-content\/uploads\/2025\/08\/dwatro-alfa-tokoferol-slownik-768x512.webp 768w, https:\/\/dwatrolaboratories.com\/wp-content\/uploads\/2025\/08\/dwatro-alfa-tokoferol-slownik-600x400.webp 600w, https:\/\/dwatrolaboratories.com\/wp-content\/uploads\/2025\/08\/dwatro-alfa-tokoferol-slownik.webp 1181w\" alt=\"Alpha-tocopherol Dwatrolaboratories\" width=\"1024\" height=\"682\" \/><\/p>\n<h2>Natural sources of alpha-tocopherol<\/h2>\n<p>Alpha-tocopherol occurs naturally in many food products, above all in vegetable fats. The richest sources are:<\/p>\n<ul>\n<li>sunflower oil and wheat germ oil,<\/li>\n<li>rapeseed oil and olive oil,<\/li>\n<li>nuts (almonds, hazelnuts, walnuts),<\/li>\n<li>pips and seeds (sunflower, pumpkin),<\/li>\n<li>green leafy vegetables (spinach, kale, broccoli).<\/li>\n<\/ul>\n<p>A diet rich in varied plant sources makes it possible to cover the requirement for vitamin E in the form of alpha-tocopherol.<\/p>\n<h2>Functions of alpha-tocopherol in the body<\/h2>\n<p>Alpha-tocopherol performs many important functions, of which the most important are:<\/p>\n<ul>\n<li><b>Antioxidant protection<\/b> \u2013 it neutralises free radicals, protecting cell membranes against damage.<\/li>\n<li><b>Support for the immune system <\/b>\u2013 it strengthens immune responses, supporting the body in the fight against infections.<\/li>\n<li><b>Protection of the heart and blood vessels<\/b> \u2013 it reduces the risk of LDL cholesterol being oxidised and supports correct circulation.<\/li>\n<li><b>Skin health<\/b> \u2013 it protects the skin against premature ageing and has a regenerating and soothing effect.<\/li>\n<li><b>Support for the eyes<\/b> \u2013 it assists the prevention of macular degeneration and of other diseases of the organ of sight.<\/li>\n<\/ul>\n<h2>Alpha-tocopherol and oxidative stress<\/h2>\n<p>One of the most important mechanisms of action of alpha-tocopherol is the neutralisation of free radicals. Thanks to this it limits damage to DNA, to proteins and to the lipids in cell membranes. A deficiency of antioxidants, including vitamin E, leads to disturbances of the oxidative balance, which accelerates ageing processes and the development of lifestyle diseases. Supplementation with alpha-tocopherol, or a diet rich in this vitamin, supports the maintenance of oxidative balance in the body.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/dwatrolaboratories.com\/wp-content\/uploads\/2025\/08\/dwatrolaboratories-alfa-tokoferol-slownik-watrobska-dorota-1024x574.webp\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" srcset=\"https:\/\/dwatrolaboratories.com\/wp-content\/uploads\/2025\/08\/dwatrolaboratories-alfa-tokoferol-slownik-watrobska-dorota-1024x574.webp 1024w, https:\/\/dwatrolaboratories.com\/wp-content\/uploads\/2025\/08\/dwatrolaboratories-alfa-tokoferol-slownik-watrobska-dorota-300x168.webp 300w, https:\/\/dwatrolaboratories.com\/wp-content\/uploads\/2025\/08\/dwatrolaboratories-alfa-tokoferol-slownik-watrobska-dorota-768x430.webp 768w, https:\/\/dwatrolaboratories.com\/wp-content\/uploads\/2025\/08\/dwatrolaboratories-alfa-tokoferol-slownik-watrobska-dorota-600x336.webp 600w, https:\/\/dwatrolaboratories.com\/wp-content\/uploads\/2025\/08\/dwatrolaboratories-alfa-tokoferol-slownik-watrobska-dorota.webp 1181w\" alt=\"Alpha-tocopherol Dwatrolaboratories\" width=\"1024\" height=\"574\" \/><\/p>\n<h2>Alpha-tocopherol and heart health<\/h2>\n<p>Many studies indicate that alpha-tocopherol has a beneficial effect on the health of the circulatory system. Thanks to its antioxidant properties it reduces the oxidation of LDL cholesterol, which is one of the main factors in the development of atherosclerosis. In addition it supports the elasticity of blood vessels and may reduce the risk of blood clots forming. Although it is not a standalone \u201cmedicine\u201d for cardiovascular diseases, its presence in the diet is an important element of prevention.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/dwatrolaboratories.com\/wp-content\/uploads\/2025\/08\/dwatrolaboratories-alfa-tokoferol-slownik-1024x768.webp\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" srcset=\"https:\/\/dwatrolaboratories.com\/wp-content\/uploads\/2025\/08\/dwatrolaboratories-alfa-tokoferol-slownik-1024x768.webp 1024w, https:\/\/dwatrolaboratories.com\/wp-content\/uploads\/2025\/08\/dwatrolaboratories-alfa-tokoferol-slownik-300x225.webp 300w, https:\/\/dwatrolaboratories.com\/wp-content\/uploads\/2025\/08\/dwatrolaboratories-alfa-tokoferol-slownik-768x576.webp 768w, https:\/\/dwatrolaboratories.com\/wp-content\/uploads\/2025\/08\/dwatrolaboratories-alfa-tokoferol-slownik-600x450.webp 600w, https:\/\/dwatrolaboratories.com\/wp-content\/uploads\/2025\/08\/dwatrolaboratories-alfa-tokoferol-slownik.webp 1181w\" alt=\"Alpha-tocopherol Dwatrolaboratories\" width=\"1024\" height=\"768\" \/><\/p>\n<h2>A role in cosmetology and dermatology<\/h2>\n<p>Alpha-tocopherol is often used in skincare cosmetics. Added to creams, lotions and serums it:<\/p>\n<ul>\n<li>improves the elasticity of the skin,<\/li>\n<li>soothes irritation,<\/li>\n<li>supports the healing of wounds and scars,<\/li>\n<li>protects the skin against the effects of UV radiation.<\/li>\n<\/ul>\n<p>Thanks to its regenerating and anti-ageing properties, vitamin E is sometimes called the \u201cvitamin of youth\u201d.<\/p>\n<h2>Dosage of alpha-tocopherol<\/h2>\n<p>The requirement for vitamin E is expressed in alpha-tocopherol equivalents (mg \u03b1-TE).<\/p>\n<ul>\n<li><b>Adults<\/b>: about 10\u201315 mg a day,<\/li>\n<li><b>Women <\/b>who are pregnant: approx. 15 mg,<\/li>\n<li><b>Breastfeeding women<\/b>: 19 mg,<\/li>\n<li><b>Children<\/b>: 6\u201310 mg depending on age.<\/li>\n<\/ul>\n<p>Deficiencies are rare, but they may occur in the case of fat absorption disorders, e.g. in diseases of the pancreas or the liver.<\/p>\n<h2>Alpha-tocopherol deficiency<\/h2>\n<p>The symptoms of vitamin E deficiency are relatively rare, but they may include:<\/p>\n<ul>\n<li>muscle weakness,<\/li>\n<li>neurological problems (e.g. balance disorders),<\/li>\n<li>deterioration of eyesight,<\/li>\n<li>weakening of the immune system.<\/li>\n<\/ul>\n<p>A long-term deficiency may lead to more serious health problems, especially in children and in people with fat absorption disorders.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/dwatrolaboratories.com\/wp-content\/uploads\/2025\/08\/dwatro-alfa-tokoferol-slownik-definicja-1024x643.webp\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" srcset=\"https:\/\/dwatrolaboratories.com\/wp-content\/uploads\/2025\/08\/dwatro-alfa-tokoferol-slownik-definicja-1024x643.webp 1024w, https:\/\/dwatrolaboratories.com\/wp-content\/uploads\/2025\/08\/dwatro-alfa-tokoferol-slownik-definicja-300x188.webp 300w, https:\/\/dwatrolaboratories.com\/wp-content\/uploads\/2025\/08\/dwatro-alfa-tokoferol-slownik-definicja-768x483.webp 768w, https:\/\/dwatrolaboratories.com\/wp-content\/uploads\/2025\/08\/dwatro-alfa-tokoferol-slownik-definicja-600x377.webp 600w, https:\/\/dwatrolaboratories.com\/wp-content\/uploads\/2025\/08\/dwatro-alfa-tokoferol-slownik-definicja.webp 1181w\" alt=\"Alpha-tocopherol Dwatrolaboratories\" width=\"1024\" height=\"643\" \/><\/p>\n<h2>Possible side effects of an excess<\/h2>\n<p>An excess of alpha-tocopherol, usually resulting from supplementation rather than from the diet, may lead to blood clotting disorders and increase the risk of haemorrhage. That is why the recommended doses of supplements should not be exceeded, and it is best to supply vitamin E naturally, through a diet rich in vegetable oils, nuts and seeds.<\/p>\n<h2>Summary<\/h2>\n<p>Alpha-tocopherol, that is, the most active form of vitamin E, plays a key role in protecting the body against oxidative stress. It supports the immune system, protects the heart and blood vessels, and also has a beneficial effect on the health of the skin and the eyes. Its presence in the diet is essential for maintaining good health, and natural sources \u2013 such as vegetable oils, nuts or green vegetables \u2013 make it possible to cover the daily requirement. Supplements may be helpful in certain situations, but the best way of supplying alpha-tocopherol remains a balanced diet.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/dwatrolaboratories.com\/wp-content\/uploads\/2025\/03\/DSC_0390aa_compressed-819x1024.jpg\" sizes=\"auto, (max-width: 819px) 100vw, 819px\" srcset=\"https:\/\/dwatrolaboratories.com\/wp-content\/uploads\/2025\/03\/DSC_0390aa_compressed-819x1024.jpg 819w, https:\/\/dwatrolaboratories.com\/wp-content\/uploads\/2025\/03\/DSC_0390aa_compressed-240x300.jpg 240w, https:\/\/dwatrolaboratories.com\/wp-content\/uploads\/2025\/03\/DSC_0390aa_compressed-768x960.jpg 768w, https:\/\/dwatrolaboratories.com\/wp-content\/uploads\/2025\/03\/DSC_0390aa_compressed-600x750.jpg 600w, https:\/\/dwatrolaboratories.com\/wp-content\/uploads\/2025\/03\/DSC_0390aa_compressed.jpg 1200w\" alt=\"Dorota W\u0105tr\u00f3bska\" width=\"819\" height=\"1024\" \/><\/p>\n<p>My name is <b>Dorota W\u0105tr\u00f3bska-\u015awietlikowska,<\/b> I am a pharmacist and a scientist holding a habilitated doctorate in pharmaceutical sciences. I decided to combine my scientific knowledge and my experience in order to create dietary supplements of the highest quality.<\/p>\n<p>My passion and main area of research are submicron dispersion systems, such as submicron emulsions, liposomes and lipospheres. After obtaining my doctorate, I turned my attention to the practical aspects of parenteral nutrition, bringing together the needs of the patient and the possibilities open to the pharmacist. Quality, safety and efficacy matter most to me , which is visible both in my scientific work and in my approach to creating Dwatro Laboratories\u00ae supplements.<\/p>\n<p><a href=\"https:\/\/dwatrolaboratories.com\/en\/product\/beautylip\/\"><br \/>\n<\/a><br \/>\n<a href=\"https:\/\/dwatrolaboratories.com\/en\/product\/flexlip\/\"><br \/>\n<\/a><br \/>\n<a href=\"https:\/\/dwatrolaboratories.com\/en\/product\/longlifelip\/\"><br \/>\n<\/a><br \/>\n<a href=\"https:\/\/dwatrolaboratories.com\/en\/product\/b-complex-mg-k\/\"><br \/>\n<\/a><br \/>\n<a href=\"https:\/\/dwatrolaboratories.com\/en\/product\/beautylip-man\/\"><br \/>\n<\/a><br \/>\n<a href=\"https:\/\/dwatrolaboratories.com\/en\/product\/hepahappylip\/\"><br \/>\n<\/a><br \/>\n<a href=\"https:\/\/dwatrolaboratories.com\/en\/product\/7-cbd-lip\/\"><br \/>\n<\/a><br \/>\n<a href=\"https:\/\/dwatrolaboratories.com\/en\/product\/lipidolip\/\"><br \/>\n<\/a><br \/>\n<a href=\"https:\/\/dwatrolaboratories.com\/en\/product\/immunolip-kurkumaomega-3\/\"><br \/>\n<\/a><br \/>\n<a href=\"https:\/\/dwatrolaboratories.com\/en\/product\/immunolip-junioromega-3\/\"><br \/>\n<\/a><br \/>\n<a href=\"https:\/\/dwatrolaboratories.com\/en\/product\/immunolip-rokitnik-omega-3\/\"><br \/>\n<\/a><br \/>\n<a href=\"https:\/\/dwatrolaboratories.com\/en\/product\/immunolip-vit-cvege-d\/\"><br \/>\n<\/a><br \/>\n<a href=\"https:\/\/dwatrolaboratories.com\/en\/product\/visionlip\/\"><br \/>\n<\/a><br \/>\n<a href=\"https:\/\/dwatrolaboratories.com\/en\/product\/melatinlip\/\"><br \/>\n<\/a><\/p>\n","protected":false},"featured_media":5402,"template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-11088","slownik","type-slownik","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is Alpha-tocopherol? 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