What is the main function of antioxidants in the diet?

The main function of antioxidants in the diet is to combat oxidative stress. Antioxidants are compounds that help protect the body from damage caused by free radicals, which are unstable molecules produced during normal metabolic processes or due to environmental factors such as pollution, radiation, and cigarette smoke. When free radicals accumulate, they can lead to oxidative stress, which has been associated with various chronic diseases, including heart disease, cancer, and neurodegenerative disorders.

Antioxidants neutralize free radicals, thereby reducing oxidative damage and supporting overall health. Common dietary antioxidants include vitamins C and E, selenium, and various phytochemicals found in fruits and vegetables. By including a diet rich in antioxidants, individuals can help maintain cellular health and potentially lower their risk of developing certain health issues.