Antioxidants: Why do we need them and what are the sources?

Antioxidants play a crucial role in protecting our bodies from free radicals, which cause cell damage, premature aging, and chronic disease. This article explores why we need antioxidants and where to find them.

Why do we need antioxidants?

Free radicals are molecules naturally produced by our bodies during processes such as breathing or digestion. They are unstable because they are missing an electron, making them highly reactive. To stabilize themselves, they seek to capture an electron from another molecule, which can cause damage to cells, proteins, and even DNA. This phenomenon is called oxidative stress. Although free radicals are necessary in small amounts for certain bodily functions, excess can contribute to the development of chronic diseases such as heart disease, cancer, and premature aging.

Antioxidants act as "defenders" by neutralizing these free radicals, preventing them from causing damage. They also play a role in strengthening the immune system, reducing inflammation, and preventing premature aging.

What are the sources of antioxidants?

Antioxidants are found primarily in fruits, vegetables, nuts, seeds, and certain types of meat. Here are some rich and varied sources:

• Vitamin C : Found in citrus fruits (oranges, lemons), strawberries, kiwis, and peppers, vitamin C is a powerful water-soluble antioxidant.

• Vitamin E : Found in nuts, seeds, spinach, and vegetable oils. Vitamin E is a fat-soluble antioxidant, excellent for protecting cell membranes.

• Carotenoids : Beta-carotene, lutein, and lycopene are carotenoids found in carrots, tomatoes, spinach, and other colorful vegetables. They are particularly effective in protecting the skin and eyes.

• Polyphenols : Found in green tea, dark chocolate, berries, and red wine, polyphenols offer protection against heart disease and inflammation.

• Selenium : An essential mineral found in Brazil nuts, seafood, and lean meats. Selenium helps regulate oxidative stress and strengthens the immune system.

Antioxidants are essential for protecting our health from the damaging effects of free radicals. By incorporating a variety of antioxidant-rich foods into our diet, we can support our bodies in the fight against disease and premature aging. A colorful and diverse diet is the key to fully benefiting from these essential nutrients.