Antioxidants are among the most important compounds supporting the proper functioning of the human body.
Contents
- What are antioxidant compounds and what properties do they exhibit?
- How do antioxidants work in the body?
- Which compounds exhibit antioxidant activity?
- The beneficial effects of polyphenols on the body
- How does coenzyme Q10 work?
- Discover natural sources of antioxidants
- Antioxidant supplementation using the best products
Their role in protecting the body against the harmful effects of free radicals is invaluable, and natural sources of antioxidants are found in many food products. How do they affect the body and in what situations is it recommended to increase their intake? Find out how antioxidants work in the body and discover their unique properties!
What are antioxidant compounds and what properties do they exhibit?
Antioxidants are chemical compounds that neutralize free radicals in the body. Free radicals are atoms or molecules that have an unpaired electron in their outer electron shell. Due to this imbalance, they are very chemically reactive and seek to gain or lose an electron to achieve stability. This means that free radicals can react with various structures in the body, such as proteins, lipids, and DNA. Free radicals are formed as a result of various metabolic processes (cellular respiration) and external environmental factors, including:
- UV radiation,
- environmental pollution,
- tobacco smoke,
- certain medications,
- oxidative stress caused by intense physical exertion.
An excess of free radicals can damage cells, proteins, lipids, and DNA, leading to premature aging of the body, weakening of the immune system, and the development of many chronic diseases, most often including heart disease, cancer, and diabetes.
Although most often associated with adverse effects on the body, free radicals also exhibit positive effects. In limited quantities, they are part of natural biological processes! The immune system uses free radicals to fight bacteria and viruses. However, when the production of free radicals exceeds the body’s ability to neutralize them, oxidative stress occurs, which can lead to cell and tissue damage. The body can cope with an excess of free radicals thanks to the activity of antioxidants, which donate an electron to them and prevent chain reactions.
How do antioxidants work in the body?
Antioxidants minimize cell damage caused by an excess of free radicals. Antioxidants support immune functions, helping the body fight infections and inflammation. Some antioxidants exhibit protective effects on the heart and blood vessels. As an example, vitamins C and E can protect against the oxidation of LDL cholesterol, reducing the risk of atherosclerosis. The best antioxidants in supplements work by neutralizing free radicals, reducing the risk of their harmful effects on the body. The most important antioxidants include vitamins, minerals, polyphenols, and other bioactive plant compounds present, among others, in . All antioxidants, regardless of their source, together form the body’s natural protective shield against oxidative stress, supporting the body at various levels. Including products rich in compounds belonging to this group in the diet contributes to maintaining the body’s balance and good condition, as well as protection against certain diseases.
Is it worth taking antioxidants for aging? Antioxidants are considered among the most valuable compounds contributing to the slowing down of aging processes in the body. Their deficiency leads to damage to collagen and elastin, which are proteins responsible for skin firmness and elasticity. Free radicals destroy their structure, resulting in the formation of wrinkles and skin sagging. Oxidative stress can lead to the development of inflammation, accelerating aging and impairing the skin’s natural ability to regenerate. Furthermore, free radicals stimulate the overproduction of melanin, which can lead to the appearance of pigment spots. Supplementation of antioxidants for the skin strengthens the skin’s protection against the harmful effects of UV radiation, which is the main cause of photoaging. Although they do not replace sunscreens, they can increase their effectiveness and alleviate the effects of excessive sun exposure.
Which compounds exhibit antioxidant activity?
The most popular substance with antioxidant properties is vitamin C. It contributes to the proper functioning of the immune system and participates in the process of collagen production, which is the most important structural protein. The action of vitamin C is based on its ability to donate electrons, thereby neutralizing free radicals. It is converted into dehydroascorbate, donating an electron to free radicals, which stabilizes their activity and prevents damage to proteins, lipids, and DNA. Although vitamin C mainly works in an aqueous environment, it also protects cell membranes, supporting the regeneration of vitamin E, which is active in lipid areas. Furthermore, ascorbic acid reduces the production of pro-inflammatory cytokines and stabilizes pro-oxidative factors, which contributes to reducing oxidative stress in inflammatory conditions. Due to its activity in an aqueous environment, vitamin C is particularly effective in protecting bodily fluids such as blood and lymph.
Another important antioxidant is vitamin E, which protects cell membranes from damage. In its active form, it is present as alpha-tocopherol, which protects polyunsaturated fatty acids from oxidation. Vitamin E acts as an antioxidant in fatty environments, protecting lipoproteins such as LDL from oxidation, and oxidized LDL is one of the main factors in the development of atherosclerosis. Vitamin E stops chain reactions generated by free radicals in fats, thereby limiting their further spread and damage to other molecules. It is worth emphasizing that vitamin E interacts with vitamin C – after donating an electron to a free radical, vitamin E can be regenerated by vitamin C, which ensures its long-lasting action.
Selenium, one of the trace elements, plays an important role in the functioning of antioxidant enzymes, such as glutathione peroxidase. This enzyme is responsible for converting peroxides into less harmful compounds. This prevents the oxidation of lipids, proteins, and DNA to prevent cell membrane damage and genetic mutations. Selenium prevents the process of lipid peroxidation, which is one of the main mechanisms of cell membrane damage. Free radicals attack polyunsaturated fatty acids in cell membranes, leading to the formation of lipid peroxides. Selenium helps stop this process, protecting membrane integrity.
The beneficial effects of polyphenols on the body
Which compounds are the best antioxidants? You will find polyphenols in supplements, which can neutralize free radicals and exhibit anti-inflammatory effects. This is a group of natural bioactive compounds present in fruits, vegetables, tea, wine, spices, and many other plant-based products. The most numerous group of polyphenols are flavonoids found in citrus fruits, berries, green tea, and onions. Lignans present in seeds (mainly flaxseed) and phenolic acids, such as ferulic acid found in cereals and chlorogenic acid supplied by coffee beans, are also worth mentioning. Polyphenols prevent the reactivity of free radicals. They help regenerate reduced forms of vitamins C and E, thereby enhancing their action. Furthermore, they can block the activity of enzymes that generate free radicals in the body. Polyphenols exhibit protective effects on blood vessels, protecting them from damage and reducing the risk of atherosclerosis. Regular consumption of polyphenols supports the maintenance of vascular elasticity, lowers LDL cholesterol levels, and prevents its oxidation. Thanks to their antioxidant and anti-inflammatory effects, polyphenols can support brain function and reduce the risk of neurodegenerative diseases.
How does coenzyme Q10 work?
Coenzyme Q10 is another antioxidant that is responsible for protecting mitochondria from damage and supports energy production and can be supplemented, for example, with products like BestLife. It is a compound present in all cells of the body. It is a fat-soluble substance that plays a dual role in the human body. It participates in energy production in the process of cellular respiration and acts as a powerful antioxidant. Coenzyme Q10 in its reduced form (ubiquinol) has the ability to donate electrons to free radicals, which stabilizes reactive molecules and prevents their harmful effects. It supports the proper functioning of the heart muscle, improving its efficiency and reducing oxidative stress in heart cells. The body’s production of this valuable component decreases with age, leading to increased oxidative stress and reduced mitochondrial efficiency.
Coenzyme Q10 is present in products for various purposes. It is found, among others, in and . It cooperates with other antioxidants, such as vitamin C and vitamin E. After vitamin E is oxidized, coenzyme Q10 regenerates it to its active form, which enables its continued antioxidant activity.
Discover natural sources of antioxidants
Selenium occurs naturally in food, and its content depends on the type of soil in which the plants were grown. The richest natural source of selenium is Brazil nuts, which can provide up to 100% of the daily requirement in a single serving. Other good sources include fish, seafood, eggs, offal, poultry meat, and whole grains. Coenzyme Q10 occurs naturally in many foods, especially those rich in fats. The largest amounts are found in fatty fish (e.g., mackerel, salmon, sardines), muscles (mainly in the heart and liver), and vegetable oils. Smaller amounts can also be found in nuts, seeds, spinach, broccoli, and whole grains.
Antioxidant supplementation using the best products
Natural antioxidants play a crucial role in protecting the body against oxidative stress and chronic diseases. A balanced diet rich in fruits, vegetables, nuts, and seeds is a natural source of antioxidants. However, supplementation can be beneficial in special cases, including during intense physical exertion, during increased stress, or a diet that does not allow for an optimal supply of antioxidant compounds. If you are looking for natural and effective support for your body, learn more about products with a comprehensive action. , immunity, fatigue – these are just some of our suggestions!
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