{"id":33851,"date":"2025-03-17T19:42:46","date_gmt":"2025-03-17T18:42:46","guid":{"rendered":"https:\/\/drromanovaleria.ch\/?p=33851"},"modified":"2026-06-02T06:49:24","modified_gmt":"2026-06-02T04:49:24","slug":"antioxidants-aging","status":"publish","type":"post","link":"https:\/\/drromanovaleria.ch\/en\/blog\/antioxydants-vieillissement\/","title":{"rendered":"Antioxydants contre le vieillissement"},"content":{"rendered":"<h1>ANTIOXIDANTS AGAINST AGING<\/h1>\n<h2>Benefits of antioxidants<\/h2>\n<p class=\"translation-block\">Ageing is a universal process at the very heart of human biological functioning. However, its speed and manifestations differ between people according to heredity, lifestyle and environment. For several decades, scientific research has explored oxidative stress's impact on ageing, highlighting the protective role<br>of antioxidants. These substances, present in our bodies and food, neutralise free radicals and preserve cellular vitality. Understanding antioxidant mechanisms has become essential in medicine, as they offer a natural means of slowing time's effects and optimising overall health and appearance.<\/p>\n<p>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"168\" src=\"https:\/\/drromanovaleria.ch\/wp-content\/uploads\/2024\/07\/conseils-cheveux-post-partum-300x168.webp\" alt=\"photo of dietary supplements for hair loss after pregnancy\" srcset=\"https:\/\/drromanovaleria.ch\/wp-content\/uploads\/2024\/07\/conseils-cheveux-post-partum-300x168.webp 300w, https:\/\/drromanovaleria.ch\/wp-content\/uploads\/2024\/07\/conseils-cheveux-post-partum-1024x574.webp 1024w, https:\/\/drromanovaleria.ch\/wp-content\/uploads\/2024\/07\/conseils-cheveux-post-partum-768x430.webp 768w, https:\/\/drromanovaleria.ch\/wp-content\/uploads\/2024\/07\/conseils-cheveux-post-partum-1536x861.webp 1536w, https:\/\/drromanovaleria.ch\/wp-content\/uploads\/2024\/07\/conseils-cheveux-post-partum-2048x1148.webp 2048w, https:\/\/drromanovaleria.ch\/wp-content\/uploads\/2024\/07\/conseils-cheveux-post-partum-18x10.webp 18w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><br \/>\n\t\t\t\t\t<a href=\"https:\/\/drromanovaleria.ch\/en\/contact-doctor-romano-valeria\/\"><br \/>\n\t\t\t\t\t\t\t\t\tBook an appointment<br \/>\n\t\t\t\t\t<\/a><\/p>\n<h2>\n\t\t\t\tContents\t\t\t<\/h2>\n<p>\t\t\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><br \/>\n\t\t\t\t<svg aria-hidden=\"true\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><br \/>\n\t\t\t\t<svg aria-hidden=\"true\" viewbox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M500 975V858C696 858 858 696 858 500S696 142 500 142 142 304 142 500H25C25 237 238 25 500 25S975 237 975 500 763 975 500 975Z\"><\/path><\/svg>\t\t\t<\/p>\n<h2>Understanding oxidative stress<\/h2>\n<p>Oxidative stress results from an imbalance between free radical production and the body's ability to neutralise them through antioxidant defences. Free radicals arise during normal physiological processes such as cellular respiration, but production increases considerably through external factors such as pollution, tobacco, alcohol, an unbalanced diet or excessive sun exposure. These unstable molecules damage lipids, proteins and DNA. Long term, they weaken tissues and accelerate organ ageing, particularly the skin. Wrinkles, skin laxity and loss of radiance are visible manifestations of this process.<\/p>\n<h2>The fundamental role of antioxidants<\/h2>\n<p>Antioxidants are molecules capable of trapping free radicals before they cause irreversible damage. They interrupt chain reactions and restore cellular balance. Some are produced by the body, such as superoxide dismutase, catalase and glutathione peroxidase enzymes. Others come from food and must be supplied regularly because our bodies cannot always synthesise them. These protective substances are mainly found in fruit, vegetables, nuts, pulses and certain drinks such as green tea. By acting on oxidative stress, they help slow skin ageing and reduce the risk of chronic age-related diseases.<\/p>\n<h2>The main antioxidant families<\/h2>\n<p class=\"translation-block\">Antioxidants encompass several molecular families with complementary mechanisms. Each plays a specific role in protecting cells from oxidative stress and preserving youthful skin.<\/p>\n<ul>\n<li>\u00a0Antioxidant vitamins: vitamin C is one of the most powerful antioxidants. It stimulates collagen synthesis, improves healing and protects skin from ultraviolet damage. Vitamin E acts on cell membranes, protecting them from lipid oxidation. Vitamin A and derivatives such as beta-carotene contribute to skin regeneration and mucosal protection.<\/li>\n<li>Minerals and trace elements: selenium and zinc are essential for antioxidant defence. Selenium activates protective enzymes and limits lipid peroxidation, while zinc contributes to DNA repair and supports immunity. Although needed only in tiny quantities, these trace elements have a considerable impact on preserving cellular youthfulness.<\/li>\n<li>\u00a0Polyphenols: these form a vast family of plant molecules with remarkable antioxidant properties. They are found in green tea, pure cocoa, red wine, berries and many colourful fruits. Their action extends beyond neutralising free radicals: they also regulate cell signalling pathways and reduce inflammation, two mechanisms closely associated with ageing.<\/li>\n<li>\u00a0Carotenoids: found in red, orange and green vegetables, carotenoids such as lycopene and lutein strengthen skin protection against sunlight and improve complexion radiance. They also support eye health by protecting the retina from oxidative stress.<\/li>\n<\/ul>\n<h2>Antioxidants and skin health<\/h2>\n<p class=\"translation-block\">The skin is the organ most exposed to external stressors. It faces ultraviolet radiation, pollution, climate changes and stress. Antioxidants are essential for preserving its structure and appearance. By neutralising free radicals, they slow degradation of collagen and elastin, the fibres responsible for firmness and elasticity. They also reduce <a href=\"https:\/\/drromanovaleria.ch\/en\/needs\/skin-and-hair\/skin-pigmentation\/\">pigmentation spots<\/a> by limiting melanocyte oxidation and help maintain an even, radiant complexion. Many skincare products now use topical antioxidants such as stabilised vitamin C or ferulic acid to strengthen local defences and optimise aesthetic results.<\/p>\n<h2>Food as the primary source of antioxidants<\/h2>\n<p class=\"translation-block\">A varied, colourful diet is the best way to obtain natural antioxidants. Berries, citrus fruits, leafy green vegetables, nuts and seeds are particularly rich in protective substances.<br>Diversity is essential because each antioxidant acts specifically and complementarily. For example, water-soluble vitamin C acts mainly in cells' aqueous compartment, while fat-soluble vitamin E protects cell membranes. Combining these nutrients provides optimal defence against oxidative ageing.<\/p>\n<h2>Antioxidants and preventing age-related diseases<\/h2>\n<p>Beyond the skin, antioxidants help prevent chronic conditions. Cardiovascularly, they limit LDL cholesterol oxidation and reduce atherosclerotic plaque formation. In the brain, they protect neurons from oxidative stress, supporting memory and cognitive function. Certain antioxidants such as resveratrol, found in grapes, are also being studied for their ability to activate longevity-related genes. This research confirms antioxidants' central role in health and ageing prevention.<\/p>\n<h2>Supplementation and anti-ageing medicine<\/h2>\n<p>In some situations, food alone cannot meet antioxidant needs, particularly with intense stress, significant pollution or chronic conditions. Supplementation may then be considered under medical supervision. Formulas combining vitamin C, vitamin E, selenium, zinc and polyphenols strengthen the body's defences. However, avoiding excess is essential, as excessive consumption of certain antioxidants can have the opposite effect and disrupt biological balances. Combining antioxidant supplements with regenerative treatments optimises results. Skin heals better, post-treatment inflammation is reduced and tissue quality is strengthened.<\/p>\n<h2>Lifestyle and antioxidant synergy<\/h2>\n<p>Antioxidants should not be considered in isolation. Their action is more effective within an overall healthy lifestyle. Stopping smoking, reducing alcohol, regular moderate physical activity and restorative sleep help reduce free radical production. Synergy between an antioxidant-rich diet, balanced lifestyle and personalised aesthetic care is therefore the best strategy for slowing ageing.<\/p>\n<h2>Antioxidants at the heart of the fight against ageing<\/h2>\n<p>Antioxidants are central to the fight against ageing. By neutralising free radicals, they protect cells, preserve youthful skin and reduce chronic disease risk. Their presence in daily food, considered supplementation and integration into targeted aesthetic care make them valuable allies in anti-ageing medicine. Their true effectiveness lies in combination. None acts alone: combining different food sources, suitable supplements and a healthy lifestyle provides optimal protection. Placing antioxidants at the heart of an anti-ageing strategy makes it possible to slow time's effects, preserve vitality and maintain lasting beauty.<\/p>\n<p>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"252\" height=\"300\" src=\"https:\/\/drromanovaleria.ch\/wp-content\/uploads\/2024\/07\/photo-docteur-romano-valeria-252x300.webp\" alt=\"Photo of doctor Valeria Romano in Geneva\" srcset=\"https:\/\/drromanovaleria.ch\/wp-content\/uploads\/2024\/07\/photo-docteur-romano-valeria-252x300.webp 252w, https:\/\/drromanovaleria.ch\/wp-content\/uploads\/2024\/07\/photo-docteur-romano-valeria-10x12.webp 10w, https:\/\/drromanovaleria.ch\/wp-content\/uploads\/2024\/07\/photo-docteur-romano-valeria.webp 763w\" sizes=\"auto, (max-width: 252px) 100vw, 252px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/p>\n<p>Article written by <a href=\"https:\/\/drromanovaleria.ch\/en\/\">Dr Romano Valeria<\/a><\/p>\n<p>SHARE THIS ARTICLE ON<\/p>\n<p>\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 32H31.9C14.3 32 0 46.5 0 64.3v383.4C0 465.5 14.3 480 31.9 480H416c17.6 0 32-14.5 32-32.3V64.3c0-17.8-14.4-32.3-32-32.3zM135.4 416H69V202.2h66.5V416zm-33.2-243c-21.3 0-38.5-17.3-38.5-38.5S80.9 96 102.2 96c21.2 0 38.5 17.3 38.5 38.5 0 21.3-17.2 38.5-38.5 38.5zm282.1 243h-66.4V312c0-24.8-.5-56.7-34.5-56.7-34.6 0-39.9 27-39.9 54.9V416h-66.4V202.2h63.7v29.2h.9c8.9-16.8 30.6-34.5 62.9-34.5 67.2 0 79.7 44.3 79.7 101.9V416z\"><\/path><\/svg><br \/>\n\t\t\t\t\t\t\t\t\t\tLinkedIn\t\t\t\t\t\t\t\t\t<\/p>\n<ul>\n<li>\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"mailto:dr.romano.valeria@gmail.com\"><br \/>\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M502.3 190.8c3.9-3.1 9.7-.2 9.7 4.7V400c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V195.6c0-5 5.7-7.8 9.7-4.7 22.4 17.4 52.1 39.5 154.1 113.6 21.1 15.4 56.7 47.8 92.2 47.6 35.7.3 72-32.8 92.3-47.6 102-74.1 131.6-96.3 154-113.7zM256 320c23.2.4 56.6-29.2 73.4-41.4 132.7-96.3 142.8-104.7 173.4-128.7 5.8-4.5 9.2-11.5 9.2-18.9v-19c0-26.5-21.5-48-48-48H48C21.5 64 0 85.5 0 112v19c0 7.4 3.4 14.3 9.2 18.9 30.6 23.9 40.7 32.4 173.4 128.7 16.8 12.2 50.2 41.8 73.4 41.4z\"><\/path><\/svg><br \/>\n\t\t\t\t\t\t\t\t\t\tdr.romano.valeria@gmail.com<br \/>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n<li>\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"tel:+41%2078%20209%2002%2089\"><br \/>\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M497.39 361.8l-112-48a24 24 0 0 0-28 6.9l-49.6 60.6A370.66 370.66 0 0 1 130.6 204.11l60.6-49.6a23.94 23.94 0 0 0 6.9-28l-48-112A24.16 24.16 0 0 0 122.6.61l-104 24A24 24 0 0 0 0 48c0 256.5 207.9 464 464 464a24 24 0 0 0 23.4-18.6l24-104a24.29 24.29 0 0 0-14.01-27.6z\"><\/path><\/svg><br \/>\n\t\t\t\t\t\t\t\t\t\t+41 78 209 02 89<br \/>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Antioxidants play a key role in preventing skin aging by neutralizing free radicals. Discover their mechanisms, their natural sources and their use in aesthetic medicine in Geneva to support the health and radiance of the skin.<\/p>","protected":false},"author":2,"featured_media":10614,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-33851","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Antioxydants : bienfaits, lutte contre le vieillissement \u2013 Dr Romano<\/title>\n<meta name=\"description\" content=\"Les antioxydants jouent un r\u00f4le cl\u00e9 dans la pr\u00e9vention du vieillissement cutan\u00e9 en neutralisant les radicaux libres. 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