antioxiidant

Antioxidants are molecules that can inhibit the oxidation of other molecules. Oxidation is a chemical reaction that can produce free radicals, leading to chain reactions that may damage cells. Antioxidants terminate these chain reactions by neutralizing free radicals. While free radicals are naturally produced by the body during metabolism, they can also be generated by external sources such as cigarette smoke, pollution, and radiation.

The body has its own antioxidant defense systems, but these can be overwhelmed by excessive free radical production. This imbalance, known as oxidative stress, is implicated in the development of various chronic diseases, including cardiovascular disease, cancer, and neurodegenerative disorders.

A variety of compounds are recognized as antioxidants. These include vitamins such as vitamin C and vitamin E, as well as minerals like selenium. Many plant-based compounds, collectively known as phytochemicals, also possess antioxidant properties. Examples include flavonoids found in fruits and vegetables, and carotenoids found in brightly colored produce.

Antioxidants are widely available in a balanced diet. Consuming a diet rich in fruits, vegetables, whole grains, and nuts generally provides ample antioxidant intake. While antioxidant supplements are available, their effectiveness and safety in preventing disease are subjects of ongoing research and debate. It is generally recommended to obtain antioxidants through dietary sources rather than relying solely on supplements.